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83323370F+updG_TB216_Field__Unit_Hardware_Maintenance_Nov81 83323370F+updG_TB216_Field__Unit_Hardware_Maintenance_Nov81
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83323370
&J .::::\ CONTI\.OL DATA
\::I r:::J CO~ORf\TION
CDC~
FIELD TEST UNIT
TB216
GENERAL DESCRIPTION
OPERATION.
THEORY OF OPERATION
MAINTENANCE
DIAGRAMS
WIRE LISTS
PARTS DATA
HARDWARE MAINTENANCE MANUAL
R~VIS_IPt~t
RE€ORD
.
--.
:.-.---;~
DESCRIPTION
• yl ~{
01
11- 21-78 )
02
Preliminary manual released .
Preliminary manual revised with technical
changes.
Manual released with ECOs 55123 and 55224.
9«f02-12~.1i9')
I.
A • we
(03- 27:7J7 9}.
; ~-, "l.in!
r
·
: I
; \ :) -
B_:rr
:. .
_l
(I51-UJ,-;80)
)6
(8-22-80)
....D
.f
"I
•
Ma-~u~l updat-ed wi th"ECOs 54243, 54272A, plus
additional technical and editorial changes.
Manual updated wi th ECO's 54~256 and 54290 plus
technical and editorial changes. This edition
obsoletes all previous editions.
Add Appendix A •
(12-08-80 )
~
E
f .-:-:.;.: (·1-1- 8 F)
F
( 11-4-81)
Manual updated with ECO/FCO 54327. Appendix A
deleted. Technical and editorial changes. This
edition obsolete_ all previous editions.
Manual updated with ECOs 54344, 54343B, plus
additional technical and editorial changes.
.REVISION LETTERS I, 0, Q
AND X ARE NOT USED.
(c)
1978,1979,1980,1981
Control Data Corporation
Printed in the United States
of America
~y
ii,
Address comments concerning this
manual to:
Control Data Corporation
Technical Publications Dept.
7801 Computer Avenue
Minneapolis, Mn 55435
or use Comment Sheet in the back
of this manual.
83323370 F
MANUAL TO EQUIPMENT LEVEL CORRELATION
This manual
reflec~s
the equipment configurations listed below.
EXPLANATION: Locate the equipment type and series code number,
as shown on the equipment FCO log, in the list belo\l.
Immediately to the right of the series code number is an FCO number
If that number and all of the numbers underneath it match all
of the numbers on the equipment FCO log, then this manual accurately reflects the equipment.
EQUIPMENT
TYPE
TB216
83323370 E
SERIES
CODE
14
15
16
17
18
19
20
21
22
23
24
25
26
WITH
FCOs
.None
None
None
None
None
None
None
None
None
None
None
None
54327
COMMENTS
~
.l
I
II
-.
I
!
i
I
I
"
iiii
LIST OFEFFE(,:TIVEPAGES
Sheet 1 of 4
New features, as well as changes, deletions,
and additions to information in this manual are
indicated by bars in the margins or by a dot
near the page number if the entire page is
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83323370 F
PREFACE
INTRODUCTION
This manual is prepared for customer engineer ing and provides
general
description,
operation
theory
of
operation,
maintenance, diagrams wire lists and parts data for the Control
Data TB216-A/B Field Test unit (FTU).
It is assumed that customer engineering is familiar with the
computer system, drive controller, and the drive logic, as well
as system programming techniques for executing I/O operations,
including sequencing I/O commands and routing signal between
the drive and controller.
This manual is divided into seven sections as follows:
Section I - General
Description.
Contains
the
physical
description and functional specifications for the
FTU.
Section 2 - Operation Provides installation information, a
description of the front panel controls, indicators, and test points, procedures for operating
the FTU in all modes, and descriptions of codes
used with the FTU.
Section 3 - Theory of Operation. Explains ~he functioning of
the tester as a microprocessor-based tester.
Section 4 - Maintenance..
Contains procedures and required
tools to maintain the FTU and information for
handling electrostatic sensitive devices.
Section 5 - Diagrams. Contains logic diagrams, both internal
and I/O cabling diagrams, and a schematic diagram
of the power supply.
Section 6 - Wire Lists. Contains a double-ended
all wiring on the logic backpanel.
listing
of
Section 7 - Parts Data. Contains an exploded view of the FTU
and a spare parts list.
83323370 F
·ix
CONTENTS
. Abbreviations
General Description
Introduction
Specifications
Functional Description
Access Mode
Direct Seek
Direct Continuous
Sequential Forward
Sequential Reverse
Sequential Forward/Reverse
Random Seek
X - N Seek
Read/Write Modes
Write Format
write/Read Format
write
Read
Write/Read
Access Only
2. OPERATION
Introduction
xvii
1.
1-1
1-1
1-1
1-1
1-1
1-1
1-2
1-2
1-2
1-2
1-2
1-2
1-5
1-6
1-6
1-6
1-6
1-6
2-1
General Operating Information
General
Operating Voltage Selection
I/O Cables
Controls and Indicators
Test Points and Jacks
Loading Data
2-1
83323370 E
xi
2-1
2-1
2-5
2-11
2-29
2-32
Operating Procedures .
2-34
2-34
General
Pow~r
Up
Initializa~ion
2-34
2-35
Selecting Drive
SMD, MMD, FMD, S.election
2-38.1
CMD Selection
2-38.1
Sector Count Check
2-40
Data Field Length
2-42
Number Of Data Records
2-44
Manual Tags .
2-46
Status Bypass
2-48
RTZ Command
2-49
Direct Seek/Access Only
2-49
Direct Cont/Access Only
2-49
Seq Forward Seek/Access Only
2-51
Seq Reverse Seek/Access Only
2-52
Seq FWD/REV - Access Only
2-52
Random Seek/Access Only
2-53
X-N Seek/Access Only
2-54
Read/Write Operation
2-55
Write or Write Format Operation
2-56
Write/Read or Write/Read Format Operation
2-58
Read/Write Operations on Fixed Heads
2-61
MFM Read/Write Exceptions to Read/Write Operations
2-61
Read Operations
2-62
I/O Line Check
2-64
Access Time Check
2-65
EOT stop Access Time Check
2-65
Manual Stop Access Time Check
2-65
FTU Access Time Verification
2-66
Flagging a Bad Track
2-66
Releasing Processor From Loop
2-68
xii
83323370 F
Head AlignmentGeneral
3.
2-67
2-67
FTU· Preparation
Offset Displays
status Bytes
General
2-68
2-69
Tag-Bus I/O (0)
2-72
Cylinder (1)
2-72
Head (2)
2-72
Record (3)
2-72
Sector (4)
Pattern (5)
2-72
2-72
Address Error Counter (6)
2-73
Data Error Counter (7)
2-73
Flag/pass Counters (8)
Seek Counter (9)
2-73
2-73
Average Access Time (A)
2-73
Access Time Counter (B and C)
2-73
Cylinder Destination 1 (D)'
2-73
Cylinder Destination 2 (E)
2-74
MUX Status (F)
Theory of Operation
Introduction
Microprocessor Card
2-71
2-71
2-74
3-1
3-1
3-1
I/O Control Card
Read/Write Control Card
3-2
Control Panel Interface Card
3-2
Led Display Board
3-2
Control Panel Board
3-5
Test Point Board
3-5
Power Supply
3-5
83323370 C
xiii
4 •.
Maintenance
Introduction
,power Supply Voltage Check and Adjustments
Processor Test
Phase 2 Clock Test
,Lamp Test
4-1
4-1
4-2
4-2
4-4
Self Test
4-4
Handling Electrostatic Sensitive Devices
4-8
5. Diagrams
Introduction
5-1
6. Wire List
Introduction
Reading Wire Lists
6-1
6-1
Signal Name
6-1
Origin/Destination
Z Level
6-1
6-2
7. Parts Data
Introduction
7-1
7A. Illustrated Parts Breakdown
General
7-2
7B. SPARE PARTS LIST
General
7-1
'xiv
83323370' E
FIGURES
1-1
2-1
TB216 Field Test Unit (FTU)
Acessing Terminal Strip
1-3
2-2
Terminal Strip Connections
Cable Identification
2-4
I/O Cable Hook-Up
FTU Front Panel
2-8
2-18
3-1
X -- N Test
Loading Data into FTU
Device Type Code Determination
Read/Write Data Format Diagram
Functional Block Diagram
4-1
Phase 2 Clock Timing
4-3
4-2
Switch Test Display
4-10
5-1
Diagram Title Block
5-2
7-1
Final Assembly.
Front Panel Assembly
7-4
2-3
2-4
2-5
2-6
2-7
2-8
2-9
7-2
7-3
7-4
7-5
Logic Chassis Assembly
Control Panel Assembly
Power Supply Assembly
-83323370D
2-2
2-6
2-10
2-33
2-38
2-44
3-3
7-8
7-12
7-14
7-16
xv
TABLES
1-1
TB2l6-A Specifications
1-4
2-1
I/O Cable Configurations
2-2
Controls and Indicators
2-5
2-11
2-3
Test Points
2-30
2-:-4
Device Type Codes
2-36
2~5
Data Field Length
2-43
2-6
Sector and Data Record Relationship
2-46
2-7
Manual Tags
2-48
2-8
status Bypassbit Table
2~49
2-9
Head Alignment Displays
2-10
Status Bytes
2-71
2-75
3-1
4-1
FTU Circuit Elements
3-6
Voltage Adjustments
4-2
4-2
Error Address
4-6
4-3
Switch Test Initial Setup
4-7
4-4
Maintenance Tools
4-9
5-1
Contents Of Diagrams
.5-3
, x.vi
ABBREVIATIONS
ABV
ADD
ADDR
AM
AMCTR
AMFND
AMGT
A008X
BAVAL
BCD
BIB
BIT
BLW
BOB
BYTCK
CKT
CLK
CLR
CMD
CONFIG
CONT
CRCTR
CR-CRTREN
CR REF
CTR
CYL
D/A
DEC
DISP
ECL
ECO
ENBL
ENCK2
ENCL2
ENGI':'AM
83323370 C
Above
Address
Address
Address Mark
Address Mark Counter
Address Mark Found
Address Mark Gate
Address 008X
(X = Don't Care)
Bus Available
Binary Coded Decimal
Bus In Bit
Binary
Below
Bus Out Bit
Byte Clock
Circuit
Clock
Clear
Cartridge Module Drive
Configuration
Continouus
Character Counter
Character Counter
Enable
Cross Reference
Counter
Cylinder
Digital To Analog
Decimal
Display
Emitter - Coupled
Logic
Engineering Change
Order
Enable
Enable Clock. 2
Enable Clock 2
Enable Gate I
Address Mark
ENG2
ENLAT
ENPIA
ENRCV
ENT
ENTRN
EOCOV
EOT
ERR
FCO
FIG
FLT
FLTIO
FMD
FTU
FWD
Gl5US
G25US
GND
HEX
I/O
IRQ
LED
MAN
MB
MEMSL
MFM
MMD
l'tlPU
MUX
MUXIO
NC
NMI
NRZ
PATT
PN
PROM
Enable Gate 2
Enable Latches
Enable Peripheral
Interface Adapter
Enable Receivers
Entry
Enable Transmitters
End of Conversion
End of Test
Error
Field Change Order
Figure
Fault
Fault I/O
Fixed Module Drive
Field Test Unit
Forward
5 llsec GI Gate
5 llsec G2 Gate
Gr.ound
Hexadecimal
Input/Output
Interrupt Request
Light Emitting Diode
Manual
Megabyte
Hemory Select
Modified Frquency
Modulation
Mini-Module Drive
Microprocessor Unit
Multiplexed
Multiplex I/O
No Connection
Non-Maskable Interrupt
Non-Return-to-Zero
Pattern
Part Number
progr~rnmable Read
Only Memory
xvii
ABBREVIATIONS (Contd):--
PROT
PWR
PWRSQ
R/W
R/-W
RAM
RAN
RCVR
RD
RDCLK
RDDAT
RDGT
RDY
REV
RFI
ROM
RTZ
SIC
SECTR
SEL DRV
SELD
SH
xviii
ProtectPower
Power Sequence
Read/Write
Read Not Write
Random Access Memory
Random
Receiver
Read
Read Clock
Read Data
Read Gate
Ready
Reverse
Radio Fequency
Interference
Read Only Memory
Return to Zero
Series Code
Sector
Select Drive
Selected
Sheet
SK
SKEND
Seek
Seek End
SMD
Storage Module Drive
Servo Clock
SRVCK
Standard
STD
Switch
SW
Terminal Board
TB
TLA
Top Level Assembly
- Test Point
TP
TTL
Transistor-Transistor
Logic
With
W/
without
W/O
WRCLK
Write Clock
WRT
Write
WRTDA
write Data
WRTGT
Write Gate
WT
Write
WTCK2
write Clock 2
VMA
Valid Memory Address
XMTR
Transmitter
100 US CLOCK 100 ~sec Clock
83323370 C
SECTION 1
GENERAL DESCRIPTI"ON
1
GENERAL DESCRIPTION
INTRODUCTION
The Control Data TB2l6 Field Test Uni t
(FTU) is a portable
self contained (microprocessor 6800 based) unit housed in a
suitcase-type carrying case (see figure 1-1).
~he FTU contains
a front panel assembly, power supply, log ic chassi s assembly,
power cable, I/O cables, and the head alignment adapter for CMD
and SMD. . The front panel assembly contai ns a hexadecimal keyboard, various switches, indicators, and test points.
The FTU
simulates off line input/output control functions of a disk
storage controller and is used in maintaining the storage
Module Drive (SMD) , Mini-Modules Drive (MMD) , Cartridge Module
Drive (CMD) , 1 X Fixed Module Drive (FMD) and Lark Drive (LMD).
SPECIFICATIONS
Specifications for the FTU are provided in table 1-1.
FUNCTIONAL DESCRIPTION
The FTU provides seven access modes, six read/write modes, and
three modes for determining head selection.
ACCESS MODE
In access modes (seeks), the moveable heads in the dr ive are
positioned over a particular cylinder on the disk pack.
Direct Seek
The drive under test performs a
number selected by the operator.
single
seek
to
the
cylinder
Direct Continuous
The drive performs seeks between cylinder zero and the cylinder
number selected by the operator.
83323370 C
1-1
Sequential Forward
starting at cylinder zero, the dr ive performs sequentially increasing seeks at cylinder intervals selected by the operator.
After seeking the last track,. it will return to cylinder zero
and repeat the operation.
Sequential Reverse
starting at the maximum
tially decreasing seeks
operator.
After seeking
mum cylinder an~ repeats
cylinder, the drive performs sequenat cylinder intervals selected· by the
cylinder. zero, it returns to the maxithe operation.
Sequential Forward/Reverse
Starting at cylinder zero, the drive performs sequentially increasing seeks up to the maximum cylinder followed by sequentially decreasing seeks down to cylinder zero.
The seeks are
in increments selected by the operator.
Random Seek
The drive seeks
microprocessor.
x -
cylinder
addresses
generated
randomly
by
the
N Seek
The drive seeks from each cylinder to every higher
cylinder and back, thus performing all possible seeks.
numbered
READ/WRITE MODES
The FTU generates serial NRZ or MFM write data at a rate
determined by the servo clock signal transmi tted from the uni t
under test.
When a repeated access mode is selected, a
read/write operation in completed at the selected cylinder.
Then a seek is initiated to the next cylinder address (as
determined by the access mode) and the read/wr i te operation
repeated.
This seek - read/wr i te sequencing continues until
the end of test or until the STOP key is pressed.
For direct
seeks, the read/write operation continues at the selected cylinder (depending upon the head select mode) ·until the STOP key
is pressed.
1-2
83323370 C
Figure 1-1.
.83323370 C
TB216 Field Test unit (FTU)
1-3
TABLE 1-1.
Characteristic
Size
TB2l6 SPECIFICATIONS
Condition
L x Wx H
457 x 330 x 223 mm (18.0 x
13.0 x 8.75 in)
15.9 kg
(35 1bs)
Non-Operating
-40.4°C
158 ° F)
to
Operating
20% to 80%
Non-Operating
5% to 95%
Operating
-305 to
6500 ft)
2000
Non-Operating
60 Hz, single
Weight
Temperature
Specification
Operating
Gradient
(r ise per hour)
Relative Humidity (no condensation)'
Altitude
Input Power*
I
50 Hz, single
(-40°F
to
m
(-1000
to
-305 to 4572
15 000 ft)
m
(-1000
to
100 (+7 ,
A, max.
-10)
V ac
at
120 (+7, -16)
A, max. **
V ac
at 1.8
200 (+20, -20)
A, max.
V ac
at 1.1
240 (+17, -27)
A, max.
V ac
at 0.9
V ac
at 2.2
100 (+7 ,
A, max.
70o·C
-10)
2.2
Table Continued on Next Page
1-4
83323370 F
TABLE 1-1.
Characteristic
TB216 SPECIFICATIONS (Contd)
Condition
Specification
120 (+8, -18) V ac at 1.8
A, max.
200 (+20, -20) V ac at 1.1
A, max.
220 (+15, -22) V ac at 1.0
A, max
240 (+17 , -24) V ac at 0.9
A, max
*Conversion is made on terminal board in power supply.
**Unit shipped with CSA listing at this rating any other combination not tested or listed by CSA.
The mode of head selection chosen determines the number of
tracks read or wr i tten dur ing each read/wr i te operation.
For
manual head selection, the FTU reads or wr i tes only the track
under the head selected.
For sequential head selection, the
FTU sequences the heads to read or write each track in the cylinder. When the highest-numbered head has been exercised, the
drive seeks to another cylinder (except in direct seek) and repeats the read/write operation at the new cylinder, starting
wi'th head zero.
For random head selection, the FTU randomly
selects one head per cylinder for its read/write operation.
The same options are available for record selection.
In the
manual record mode, one manually selected record is wr it ten or
read for each selected track.' In sequential record mode, the
same operation takes place once per track on randomly chosen
record.
Write Format
The FTU wr i tes each selected track wi th the appropr iate track
address and a repeti tive l6-bit data pattern that has been entered on the FTU keyboard.
The FTU also prov ides a means for
indicating. a defective track when using the write format mode.
83323370 F
1-5
I
Write/Read Format
The FTU commands the drive to alternate between· writing the appropriate track address and repetitive data pattern and reading
them back on each selected track.
Write
After the track address has. ·been read and verified, the FTU
writes each selected track with a repetitive l6-bit data pattern that has been entered on the FTU keyboard.
On drives that
transmit MFM read data to the FTU, the address is not read.
Read
The FTU commands the dr i ve to read data f rom each selected
track after the track address has been read and verified.
On
dr ives that transmi t MFM read data to the FTU, the address is
not read.
Write/Read
The FTU commands the dr i ve to al terna te between wr i ting a re-·
petitive data pattern and then reading it on -each selected
track.
Access Only
The FTU does not command a read or write operation after. each
track is accessed.
1-6
83323370 C
· SECTION 2
OPERATION
OPERATION
2
INTRODUCTION
This section is divided into two parts.
The first provides
general descriptive background information pertinent to the FTU
and its inter f ace wi th . the dr i ve •
The second contains procedures for operating the FTU when servicing the drive.
Refer to
the individual drive manual' for information concerning the
drive during these operations:
GENERAL OPERATING INFORMATION
GENERAL
The general operating information consists of a variety of topics the operator should be familiar with prior' to using the
FTU. Topics included are:
•
Operating voltage selection
•
Description of I/O cables fication, and hook-up.
•
Functions of FTU front panel controls and indicators.
•
FTU front panel, test points, and jacks.
•
Data entry switch loading parameters.
their configuration, indenti-
OPERATING VOLTAGE SELECTION
The FTU operating voltage (input power) is set, at the factory,
to 120 V ac, 60 Hz.
Add i tional input power capabili ties of
100, 200, 220, 240, V ac, 50/60 Hz and 120 V ac, 50 Hz require
internal modification as follows:
1.
Open FTU, raise front panel, and secure .into place.
2.
Remove transformer terminal block cover exposing terminal
strip (see figure 2-1).
83323370 F
2-1
I
TRANSFORMER
TERMINAL
BLOCK
COVER
TERMINAL
STRIP
9H249
Figure 2-1.
2-2
Acessing Terminal Strip
83323370 C
3.
Modify FTU for input power of 100 V ac, 50/60 Hz by proceeding as follows:
a. Reposi tion wires on
(see figure 2-2).
b. Reinstall
assembly.
terminal board TBl for
terminal· block cover
and
lower
100 V ac
front
panel
c. Remove CSA certification label.
4.
Modify FTU for 120 V,
rating label.
50 HZ input power
5.
Modify FTU for 200, 220 and 240 V,
by proceeding as follows:
by removing CSA
50/60 HZ input power
a. Obtain appropriate cord plug.
b. Remove molded plug by cutting cord close to plug and
stripping back wires.
c. Connect replacement plug as follows:
•
Black wire (phase 1) to brass colored terminal.
•
•
White wire (phase 2) to silver colored terminal •.
Green wire (chassis ground to ground terminal.
d. Reposition wires on terminal
input power (see figure 2-2).
board
TBl
for
desired
e. Remove bracket mounting holding power receptacle.
83323370 F
f. Disconnect green/yellow ground wire, whi te wire, and
black
wire
from
power
receptacle.
Remove
power
receptacle from bracket.
g. Obtain dual rating power receptacle PN 24556501 from
supplementary supply items and install this receptacle
in bracket.
h. Connect replacement receptacle as follows:
•
•
•
Black wire (phase 1) to terminal x.
White wire (phase 2) to terminal Y.
Green/yellow
termi:nal W.
wire
(chassis
ground)
to
middle
j. Re-install bracket mounting in the tester.
k. Remove old
83271600.
power
connector
on
power
cord
assembly
1. Obtain dual rating power connector PN 24514300 from
supplementary supply items and install connector as
follows:
m.
•
Black wire
(phase 1) to pin X.
•
White wire
(phase 2) to pin Y.
•
Green wire (chassis ground) to pin W.
Remove CSA certification label.
n. Re-install· terminal block cover and lower front panel
assembly.
6.
Check FTU operating vol tage and adjust if· necessary per
Power Supply Adjustments procedure in the maintenance
section of this manual.
'..".-
83323370 F
2-3
I
TBI
0
100 V
0
0 0, 0 0 0 0
0 )R' ~, 0' (jj)
{!-
1
TO
RFI-I
I
0
0
,~~\ 4,-/~ 6_~
,',
======================::::.,_
TBI
120 V
TO
RFI-I
00 0
@
(lj)
(Jj)0
(])
~ ~ ~fl ~/fiO
=====================:::::J~ .
TBI
TBI
220 V
TO
0
0' 0
~
0
(lj)
V-
0
@
0
~ f-6_~
RFI- I ============~======::::.,_
TBI
240 V
TO
0
([) ([)
Figure 2-2.
(lj)
V-
~-~.
RFI- I
2-4
0
(lj)
@ 0
~f-6
_
0
9H248
Terminal Strip Connections
83323370 C
I/O CABLES
The cable configuration, that interfaces the FTU with the
drive, varies with the type of drive being serviced. Cable information in this section includes:
a listing of the different
cable configurations (see table 2-1}, identification of the individual cables and adapters within the configurations (see
figure 2-3), and illustrations showing how the individual
cables and adapters are interconnected (see figure 2-4).
For
signal information on the cables and adapters, refer to the Diagram section of this manual.
For information on installing
cables and teminators, into the dr i ve, refer to 'the applicable
drive manual.
TABLE 2-1.
I/O CABLE CONFIGURATIONS
Drive
CABLE USED
-75-pin Mux
26
50
10
75
34
Pin
Pin
Pin
Pin
Pin
I/O Cable Assembly B5
I/O Cable Assembly-A2
I/O Cable Assembly-A4_
Adapter Cable Assembly-AID
Adapter Cable Assembly-B7
-75 Pin Std
50
10
75
34
26
Pin
Pin
Pin
Pin
Pin
I/O Cable Assembly-A2
I/O Cable Assembly-A4
Adapter Cable Assembly-A6
Adapter Cable Assembly-B3
I/O Cable Assembly B5
-50 Pin
I/O Cable
50 Pin I/O Cable Assembly-A2
26 Pin I/O Cable Assembly-B5
60 Pin
I/O Cable
50
10
60
26
Std and Mux
Pin
Pin
Pin
Pin
I/O Cable Assembly-A2
I/O Cable Assembly-A4
Adapter Cable Assembly-A8
I/O Cable Assembly-B5
--
83323370 C
2-5
-----...p 3
A2P202
50 PIN I/O CABLE
ASSY A2
26 PIN I/O
CABLE ASSY B5
.
.
A4P~
A2.P201~
10 PIN I/O CABLE
ASSY A4
A2J2
34 PIN ADAPTER CABLE
ASSY (MUX) B7
75 PIN ADAPTER CABLE
ASSY (MUX) AID
TEST LEADS (2)
(1 RED AND 1 BLACK)
Figure 2-3.
2-6
9H344-1
Cable Identification (Sheet 1)
83323370 C
34 PIN ADAPTER CABLE
ASSY (STD) B3
A2Jl75 PIN ADAPTER CABLE
ASSY (STD) A6
60 PIN ADAPTER
CABLE ASSY A8
HEAD ALIGNMENT
CABLE ASSY
CMD HEAD ALIGNMENT
CABLE ASSY (2)
9H344-2
Figure
83323370 C-
2-3~
Cable Identification (Sheet 2)
2-7
.
7S PIN STD
TB216-A LOGIC
CHASSIS ASSY
NOTE:
&
RED ORIENTATION MARKINGS DENOTES PIN 1,
WHEN INSTALLING CABLES INTO DRIVE.
RED ORIENTATION MARKINGS ARE TO THE
RIGHT, WHEN FACING FTU AND INSTALLING
CABLES.
Figure 2-4.
• 2-8
9H345-1A
.I/O Cable Hook-Up (Sheet 1)
83323370 E
TO
DRIVE
ORIENTA&N MARKS
&
NOTES:
SEE NOTE
ON SHEET 1.
TO
DRIVE
9H345-2
Figure 2-4.
83323370 C
I/O Cable Hook-Up (Sheet 2)
2-9
N
I
I-'
o
.--------DEVICE TYPE
t-%j
a
. - - - - - - u N I T NUMBER
...,1.0
c:
DESTINATION
HEAD
ROW I
RECORD
FIXED HEADS
DATA PATTERN
H
CD
SEEK INCREMENT
MPU ADDRESS
l..-_ _ _ _ _ MPU DATA
I
ROW 2
L---_ _ _ _
U1
F
(E
[J
C
~~~:~J
B
A
9
.
8
7
WRT FORMAT
WRT IRO rAMT
WRITE
ROW 3
READ
WRT/RD
ALIGNMENT
ACCESS ONLY
.-------MANUAL TAGS
6
ROW 4
8
9
Ie
12
13
14
STANDAR[)
INTERFACE
'5
•••••• 0 •••• 0 ••••
A
STATUS BYTES
t'V
2
a
AM FOUND© BIBo
TAG ,~
NOT USED© B13,
TAG 2 ©
ON CYL© BI132
TAG 3©
READY© BI33
BOBo ©
NOT USED© B13.
BOBI ~
NOT USED~ 81B,
8082 ~
SK ERR~ 81~
BOB3 ~
FAULT~ BIB7
BOB. ~
RD GATE~ .
RD
CLK~
.------DIRECT SEEK
DIRECT CONT
SEa FWD/REv
RANDOM SEEK
WRT
+
@@
BOB 7
ROB.
808,
BOB.
BOB3
BOB 2
'BOB6 ®
BOB,
BOBr ®
BOBo
GATE~
BOBe ©
NOT USED
BOB9.® NOT uSED
WRT DATA©
L -_ _ _ _
HEAD
ALIGNMENT
~
TAG 21
TAG 22
WRT CLK®
X-+N SEEK
FIXED VOLUME
LAMP TEST
L.._ _ _ _ _ _ SELF TEST
BOBs
TAG 20
RD DATA®
SEa FORWARD
SEa REVERSE
MULTIPLEXED
INTERFACE
AM
READ
GATE~
ERR~
BOBlo ©
NOT USED
INDEX©
SECTOR~
GND©
9H240A
CONTROLS AND INDICATORS
Table 2-2 contains functional descriptions of the controls and
indicators located on the front panel of the FTU.
The purpose
of each switch is given in general terms.
Following that is a
list of switch positions in the 'left-hand column; the drive
and/or FTU operation corresponding to this switch setting is
descr ibed in the right-hand column.
Keyboard keys' are listed
on the left with a result of pressing them given to the right.
Finally, the LED indicators are listed along with a description
of the condition lighting them.
The only control not located on the front panel is the circui t
breaker; this is mounted on the power supply module and is used
to turn the FTU on and off.
TABLE 2-2.
Control/Indicator
DATA ENTRY
switch
DEVICE TYPE
CONTROLS AND INDICATORS
Function
This is a rotary switch that is set to
different positions to allow specific
kinds of information to be entered into
the FTU memory through the keyboard.
This information can be entered in either hexadecimal, decimal, or binary
code unless only one of these codes is
specified.
Also, each switch position
allows display (on the top row of 16
LEDs) of data previously entered in
that segment of the FTU memory.
A descr iption of each swi tch posi tion follows.
A four-character code is loaded into
the FTU memory. This code programs the
FTU to exercise a specific type of
drive.
Table Continued on Next Page
I
'''--
/
83323370 C
2-11 .
TABLE 2-2.
Control/Indicator
UNIT NUMBER
CONTROLS AND INDICATORS (Contd)
Function
The logical address of the drive being
tested, determined automatically by the
FTU, is displayed on row 1 LEDs.
May
be reset to any unit number.
DESTINATION
The track destination for a direct seek
is loaded into the FTU memory in the
direct
seek
and
direct
continuous
modes.
The entry is made in decimal
form.
HEAD
Wi th the HEAD toggle swi tch in the MAN
position, a specific moveable head address in selected.
The entry is made
in decimal form.
High order byte displays bus-in for manual multiplex tag.
RECORD
A specific record address is loaded,
provided that the RECORD toggle switch
is in the MAN position.
The entry is
made in decimal form.
FIXED HEADS
The numbe r of fixed head s is loaded
decimal),
and
the microprocessor
setup for fixed head access.
DATA PATTERN
A sixteen-bit data pattern is entered
(in hexadecimal) into the FTU memory.
In -write operations, this data pattern
is repeated throughout the data field.
(i n
is
Table Continued on Next Page
2-12
83323370 E
I
TABLE 2-2.' CONTROLS AND INDICATORS (Contd)
Control/Indicator
Function
STATUe BYTES
Up to sixteen different status words
are displayed on row 1 LEOs.
The four
least significant bits of row 2 LEOs
indicate the code of the status word
which has been entered on the keyboard
and is being displayed.
512 memory locations may be displayed by pressing
CLR ENT key and entering an address.
It also allows entry of error bypass
bi t in status, byte F.
Refer to table
2-11.
SEEK INCREMENT
In sequential access modes, the FTU is
programmed to command seeks to every
nth cylinder after the number "nil has
been entered (in decimal) on the keyboard.
For example, if three is entered, the dr ive will seek every third
cylinder. Wi th no entry, the seek increment is one, and no cylinders are
skipped in the sequence.
MPU ADDRESS
A valid MPU address can be entered via
the keyboard and displayed on row 2
LEOS.
When the LOAD key is pressed,
the address is transferred to row.1
LEOs and the data at this address is
then displayed in the right 8 bi ts in
row 2 LEDs.
This operation is for use
only by an operator who is extremely
kno~ledgeab1e
in
the
microprocessor
machine language.
'Tab1e Continued on Next Page
I
"'--
..
83323370 E
2-13
TABLE 2-2.
CONTROLS AND INDICATORS (Contd)
..
Control/Indicator
Function
MPU DATA
For a gi ven MPU address, new data can
be enter ed on the keyboard and loaded
by pressing the LOAD key.
Row 2 LEDs
displays the new data in the left eight
bi ts and the contents of the next address in the right eight bits. The address on row 1 LEDs is incremented by
one. This operation is for use only by
an operator who is extremely knowledgeable in the microprocessor machine language.
B
Used to enter valid wri te protect code
(code 5754) prior to commanding drive
to write on C.E. Cylinder (innermost,
highest number) cylinder only.
If code
is not entered the WT PROT LED will
flash.
C
Ordinar i1y, the number of sectors used
by the drive is automatically calculated by the FTU.
In this position,
the FTU can be programmed to operate on
a different sector count.
D
A maximum data length, other than that
calculated by the FTU, is loaded into
the FTU memory.
E
Used to enable wr i ting on any cyl inder
other
than track
256
(FTU prevents
wr i ting on track 256).
Wi th swi tch at
position E,
enter,
via
keyboard,
a
hexadecimal non-zero number (O-F) into
lower byte (row 1 LEDs 0-7) while preserving the number of logical records
displayed in hexadecimal, in upper byte
(row 1 LEDs 8-F).
Note that pressing
SEL DRY key destroys any information
entered with DATA ENTRY switch at position.E.
Table Continued on Next Page
2-14
83323370 E
TABLE 2-2.
Control/Indicator
F
RD/WRT SELECT
switch
CONTROLS AND INDICATORS (Contd)
Function
Displays maximum cylinder
number
hexadecimal, which can be altered.
in
This is a rotary switch which determines
the operation performed by the drive
after each track has been accessed. A
description ·of
each
swi tch
posi tion
follows.
WRT FORMAT
The address and data pattern is written
on the selected track.
WRT/RD FORMAT
The drive alternates between writing
the address and data pattern and then
reading them back on a selected track.
WRITE
The data pattern is written on a selected track after the address has been
read
and
ver if ied.
On dr i ves . that
transmi t MFM read data to the FTU, the
address
is
not
read.
Positioning
RD/WRT SELECT swi tch to a wr i te position will not allow write operation if:
1. WRITE PROT/OFF switch is set to OFF.
2. The FTU wr ite protect is overr idden
by rotating DATA ENTRY swi tch to B
position and code 5754 is entered
manually.
READ
The data pattern is read from a selected track after the address has been
read
and
ver if ied.
On dr i ves
that
transmit MFM read data
to the FTU, the
address is not read.
WRT/RD
Alternately, the data pattern is written and then read on a selected track.
Table Continued on Next Page
83323370 F
2-15
I
TABLE 2-2.
CONTROLS AND INDICATORS (Contd)
Control/Indicator
Function
ALIGNMENT
In head alignment procedures, the offset of a selected head is displayed in
coded form on row 2 LEOs.
Ref er . to
table 2-12.
ACCESS ONLY
After accessing a cylinder,
does not command any write or
erations.
7
After
accessing
each
cylinder,
the
drive performs a Return-to-Zero seek.
8
After setting HEAD and RECORD toggle
switches to RAN, the drive randomly
performs either a write or a read operation on each selected track.
9
Checks
data.
A-F
Unused
,;}
.j
ACCESS SELECT
switch
MANUAL TAGS
wr i te
clock
as
if
it
the FTU
read op-
were MFM
This is a rotary switch that enables
selection of
a number of accessing
modes for the dr i ve .
These modes vary
from a direct seek to a particular cylinder to a more complicated pattern of
seeking between different cylinders. A
description of
each
swi tch posi tion
follows.
The tag and bus data displayed on row 2
LEOs will be put on the I/O lines when
the GO key is pushed.
Table Continued on Next Page
2-16
83323370 F
TABLE 2-2.
Control/Indicator
CONTROLS AND INDICATORS (Contd)
Function
DIRECT SEEK
When the GO key is pressed, the dr i ve
seeks to the particular cylinder stored
in the destination register.
with the
SINGLE/CONT switch in the CONT position
and the EOT STOP swi tch up, the seek
will be commanded 10 000 times.
wi th
the EOT STOP switch down, the seek will
be commanded until the STOP key is
pressed.
DIRECT CONT
The drive . continuously seeks between
cylinder zero and the cylinder stored
in the destination register until the
STOP key is pressed.
The dr i ve can be
commanded to seek continuously between
two tracks other than the zero track by
loading the first track in the destina~
tion
register,
switching
to
DIRECT
SEEK, and then pressing the GO key; after switching to DIRECT CONT and reloading the destination register with
the second track, this type of continuous seeking will occur from the time
the GO key is pressed until the STOP
key is pressed.
with the EOT STOP
switch up, 10 000 seeks will be performed.
SEQ FORWARD
The drive seeks to cylinder zero and
then sequences up to the maximum cylinder.
I f the EOT STOP toggle swi tch
is in the up pos i tion, the test will
end.
Otherwise, the drive will return
to cylinder zero and continue to sequence up until the STOP key is pressed.
Table Continued on Next Page
83323370 E
x =
N
=
0
INC N-
NO
INC X
NO
N = X
STOP
9H346
Figure 2-6.
2-18
X -- N Test
83323370 C
TABLE 2-2.
Control/Indicator
CONTROLS AND INDICATORS (Contd)
Function
SEQ REVERSE
The dri ve se_eks to the maximum cylinder
and then sequences down to cylinder
zero.
If EOT STOP toggle switch is in
the up pos it ion, the test will end.
If
EOT STOP switch is not set, the drive
will return to the maximum cylinder and
continue to sequence down until the
STOP key is pressed.
SEQ FWD/REV
Starting at cylinder zero, the drive
seeks sequentially upward to the maximum cylinder and then seeks sequentially downward to cylinder zero.
with
the EOT STOP switch in the UP position,
the test ends afte r one complete sequence.
Otherwise, it con tinues until
the STOP key is pressed.
RANDOM SEEK
The dri ve seeks to cylinder addresses
randomly generated by the microprocessor until the STOP key is pressed or
after 10 000 seeks with the EOT STOP
switch up.
X -- N SEEK
The dr i ve seeks f rom each cylinder to
every higher-numbered cylinder and
back, thereby performing all possible
seeks.
This seeking continues until'
all possible combinations of seeks have
been completed wi th the EOT STOP swi tch
up or un til the STOP key is pressed,
refer to Figure 2-6 •
. FIXED VOLUME
Pressing the SEL DRV key sets the FTU
to access CMD fixed volume only.
Pressing the GO· key sets up the FTU to ·access both fixed volume and removable
disk pack.
Table Continued on Next Page
83323370 E
2-19
TABLE 2-2.
Control/Indicator
LAMP TEST
SELF TEST
CONTROLS AND INDICATORS (Contd)
Function
Pushing the
cept the +5
off.
A +5
cates that
to the.FTU,
er supply,
both of the
GO key causes all LEOs exor -5 LEOS to flash on and
or -5 LED not lighted indipower is not being applied
and failure of the FTU powor the failure of one or
LEOs.
The processor performs a limi ted selftest routine on the FTU.
During the
test, the RD and WT LEOs al ternately
flash.
Failure of the self-test is indicated by the RD and DATA ERR LEOs
flashing alternately.
If the test is
satisfactory, it ends wi th the RD, 29
and 211 LEDs on steadily.
Then all
switch positions can be checked out;
chang ing any swi tch posi tion results in
_a change in the LED display.
Normally
self-test is performed wi th the HEAD,
RECORD, -/+, and LATE/EARLY switches in
the center posi tion, DATA ENTRY swi tch
set to DEVICE TYPE position,. RD/WRT SELECT switch set to WRT FORMAT position,
the PROCESSOR switches in the START and
RUN positions, and all other toggle
swi tches in the down posi tion with the
exception of SEQ PWR which is not
tested.
B
The microprocessor program jumps to the
MPU . address entered on row 2 LEDs when
the Go key is pressed.
C
Ave~age
access
time
for
the. drive
can
by
pressing the GO key. The RD/WRT SELECT
switch must be in the ACCESS ONLY position.· Calculation of this
is
done
automatically after
10 000
seeks
in
DIRECT SEEK, DIRECT CONT, and RANDOM
be measured for certain access modes
Table Continued on Next Page
,
2-20
83323370 F
TABLE 2-2.
Control/Indicator
CONTROLS AND' INDICATORS (Co"ntd)
Function
C (Contd)
SEEK:
calculation is done at the end
of test for sequential seeks.
Each
group of four LEDs in row 1 represents
a binary coded decimal digit, the least
significant one being 0.1 ms and the
most significant being 100 ms with a
maximum display
value of
999.9 ms.
Time is displayed in status Byte A.
D-F
Unused.
Toggle Switches
HEAD switch
and
are
The toggle switches on the FTU
their'respective switch positions
descr ihed below.
This is a three-position switch that
used for moveable head sequencing.
is
MAN
A particular head can be selected using
the number 'loaded wi th the DATA ENTRY
switch in the HEAD position.
SEQ
At each access track, record
are selected sequentially.
RAN
addresses
At each accessed track, a record is
. randomly selected for the desired operation.
RECORD Switch
This three-position switch allows differentpatterns of record addressing.
MAN
A particular record can be selected
us ing the number loaded wi th the DATA
ENTRY switch in the RECORD position.
Table Continued on Next Page
83323370 F
2-21
I
TABLE
2~2.CONTROLS
Control/Indicator
AND INDICATORS (Contd)
Function·
SEQ
At
each' acces sed tr ack ,
record
dresses are selected sequentially.
RAN
At each accessed track, one record is
randomly selected for the des ired operation.
PROCESSOR switches
START/RESET
RUN/HALT
STEP
SINGLE/CONT switch
ad-.
These three toggle switches are associated with the microprocessor.
They are primarily intended for use
during maintenance of the FTU and are
of no concern to the operator of the
FTU.
In normal operation, the switches
are respectively in the START and RUN
positions (STEP is sp~ing-loaded).
This toggle switch allows the choice of
single
or
continuous. accessing
of
tracks.
SINGLE
An access is performed only once by the
drive.
CONT
An access is performed 10 000 times
with the. EOT STOP swi tch up until the
STO~ key is pressed.
-/+ switch
This is a three-position toggle swi tch
that directs the drive to offset the
carriage for better data recovery.~
An offset
spindle.
is
ordered
away
from
the
Table Continued on Next Page
-2-22
83323370 E
TABLE 2-2.
Control/Indicator
CONTROLS AND INDICATORS (Contd)
Function
center position
No offset
tion) •
+
An offset is ordered toward the spindle.
LATE/EARLY switch
is . called
for
(normal
pos i-
This is a three-position toggle swi tch
that allows the shifting of read data
strobes away from nominal timing to
check error recovery.
LATE
The drive read strobes are shifted to a
later time with respect to data.
center position·
The drive strobes
(normal position).
EARLY
The dr i ve read strobes are shi fted to
an earlier time with respect to data.
WRITE FLAG/OFF
switch
at
nominal
timing
In the up position, the FTU will command
the drive to write a flag on a bad
track provided that:
a. RD/WRT SELECT swi tch is
FORMAT or WRT/RD FORMAT.
b. ACCESS SELECT swi tch
ECT SEEK.
set
to WRT
is set to DIR-
c. HEAD switch is set to MAN.
In the up position, while performing a
WRITE or READ operation, the FTU will
stop if a flag bit is found.
WRITE PROT/OFF
swi tch
.
In the up position, this switch protects
the drive from being commanded to wr i te
by the FTU •
Table Continued on Next Page
83323370 E
2-23 •
TABLE 2-2.
Control/Indicator
AM/SECTOR switch
CONTROLS "AND INDICATORS (Contd)
Function
This toggle switch allows" the" choice of
address mark or sector mode of operation.
AM
This drive writes
mark.
or
reads
an address
SEcrOR
The wr i ting and reading of data is referenced to the sector count.
EOT STOP/OFF
switch
with this switch in the up position, in
sequential seeks, the test will stop
after one complete sequence.
Placed in
the up position during self-test, this
switch causes the error display to be
bypassed
which
facilitates
troubleshooting the FTU with an oscilloscope.
DATA ERROR OVERRIDE/OFF switch
with this switch in the up position, the
FTU will not stop an access sequence
when a data error is discovered.
In
self-test a data error in the MPU is
bypassed: with the swi tch up, the MPU
continually loops when there is a data
error.
ADDR ERROR OVERRIDE/OFF switch
with this switch in the up position, the
FTU will not stop an access sequence
when an address error is discovered.
In self-test, if there is a data error,
that address will be skipped, the address counter will be incremented and
the program will continue.
Table Continued on Next Page
• 2-24
83323370 E
TABLE 2-2.
Control/Indicator
.SHIFT PATT/DATA
PATT switch
SEQ PWR switch
CONTRQLS AND INDICATORS (Contd)
Function
In the DATA PATT position, the same
data pattern is repeated throughout tre
entire accessing sequence. In the
SHIFT PATT position, each time the
drive seeks a new track, the data pattern is shifted one bit to left, and
the sixteenth bit becomes the first
bi t.
This function is used when performing a write/read operation.
I
In the SEQ PWR posi tion, the FTU commands the dr i ve to power up, provided
that
a. The drive is in the REMOTE mode.
h. Primary
power
is
available
at
too
drive.
c. The drive START
dicator lighted).
switch
is
ON
(in-
Keyboard Panel
The result of pressing each keyboard
key is given in the following. description:
Data Keys O-F
New. data can be entered with these
keys.
Entered data is displayed on row
1 LEDs.
HEX key
Pressing this key resul ts in the conversion of the BCD number in the' lower
display to hexadecimal form.
Table Continued on Next Page
83323370 E
2-25
I
TABLE
Control/Indicator
2~2.
CONTROLS AND INDICATORS (Contd)
Function
DISP key
The hexadecimal data, in row 1 LED, is
transferred into row 2 LED.
The hexadecimal/decimal data, in row 2 LED.I is
transferred, in hexadecimal, into row 1
LED.
CLR ENT key
This key is used to clear the entry
displayed in row 2 LEDs when an incorrect entry has been made.
LOAD key
Pressing the LOAD key transfers the
data entry in the second row of 16 LEDs
to row 1 LEDs and loads it into memory
via the DATA ENTRY swi tch while clearing the second row.
DEC key
The hexadecimal number in the
display is converted to decimal.
BIT key
When pressed prior to a data entry, the
data will be entered bi t-by-bi t in binary form.
SEL DRV key
Pressing this key initiates a drive selection sequence.
Note that pressing
SEL DRV Key destroys any information
that may have been en tered wi th DATA
ENTRY switch at position E.
CLR FLT key
Pressing this key
clearing sequence.
RTZ key
Pressing this· key initiates the drive
by commanding a return-to-zero seek.
initiates
a
lower
fault
Table Continued on Next Page
• 2-26
83323370 E
TABLE 2-2.
Control/Indicator
CONTROLS AND INDICATORS (Contd)
Function
CLR key
This key clears the display
status, and resets the FTU.
GO key
Pressing this key
ted FTU operation.
STOP key
When thi s key is pressed, the FTU is
stopped at the end of the operation in
progress.
LEO Display
A description of the condition, causing
each of the LEDs to be lighted, is given below.
Row 1 LEOs
These LEOs indicate in binary form data
that has been loaded into the FTU .memory.· Possibilities include:
initiates
and
all'
the selec-
a. A keyboard data entr y that has been
loaded with the LOAD key.
b. A previous entry indicated
DATA SELECT rotary switch.
by
the
c. A status word.
d. Self test information.
Row 2 LEDs
These LEOs indicate data that has been
entered on the keyboard before the LOAD
key has been pressed.
It also displays
the code of the status word, when a
status word is being displayed, head
alignment offset, and the address' of a
failed component during self test.
I/O RDY LED
This LEO indicates that a device type
code has been loaded and that the
transmitters and receivers have been
enabled •.
Table Continued on Next Page
83323370 E
2-27 •
. TABLE 2-2.
Control/Indicator
UNIT RUN LED
CONTROLS AND INDICATORS (Contd)
Functio~
.The drive is in the process
forming a commanded operation.
an
On
of
per-
ON CYL LED
The FTU is receivlng
signal from the drive.
Cylinder
ROY LED
The FTU receiving
from the drive.
WT PROT LED
The FTU is receiving
signal from the drive.
a
Wri te
SELD LED
The FTU is receiving
signal from the drive.
a
Uni t
SEEK ERROR LED
The FTU is receiving a Seek Error signal from the dr i ve. .
FLT LED
The FTU is receiving
from the drive.
a unit Ready signal
a
Protect
Selected
Fault
signal
BUSY LED
·The FTU is receiving a Busy signal from
the drive.
The BUSY LED will also
flash while the FTU is wai ting for a
Ready signal during a select drive command.
FLAG LED
This LED lights when a flag is read.
If the WRITE FLAG switch is OFF the
FLAG LED goes off when the next head is
selected.
If the WRITE FLAG swi tch is
ON,' the FLAG LED stays on and the test
stops, until the CLR key is pressed.
DATA ERR LED
This LED lights when the FTU has detected a discrepancy between the data pattern written by the drive and the data
pattern read by the drive.
If the DATA
ERROR OVERRIDE switch is on, the DATA
ERR LED goes off when the next head is
selected.
If the DATA ERROR OVERRIDE
switch is off, this LED stays lighted
and the test halts. A time out during
Table Continued on Next Page
2-28
83323370 E
TABLE 2-2.
Control/Indicator
CONTROLS AND INDICATORS (Contd)
Function
DATA ERR LED (Contd)
a read or write in the data field
indicated when DATA ERROR indicator
ON and row 3 LEDs continually flash.
ADDR ERR LED
This LED lights when the address information received from the drive differs from the requested address,
If
the ADDR ERROR OVERRIDE swi tch is on,
the ADDR ERROR LED goes off when the
next head is selected.
If the ADDR
ERROR OVERRIDE switch is off, this LED
stays lighted and the test halts.
A
time out in the address field is indicated when ADDR ERR indicator is ON and
row 3 LEOs continually flash.
RD LED
The FTU is commanding a read operation.
WT- LED
The FTU is commanding a write operation.
CLK LED
The Read Clock
the drive.
+5 LED
The power supply
volt output.
in
the FTu
has
a
-5 LED
The power supply
volt output.
in
the FTU
has
a -5
RUN LED
The microprocessor
ning.
is
run-
signal
in
is
the
coming
FTU
is
is
from
+5
TEST POINTS AND JACKS
Thirty-three test points and two head alignment jacks are located on the front panel of the FTU.
Many of these test points
serve a dual purpose; the signal found on them depends on whether a standard interface or multiplexed interface is being
used.
In this case, the signal designation for standard and
multiplexed interfaces are printed to the left and right of the
test point respectively.
One label is valid- for both interfaces when it appears alone to the left of the test ~oint.
'-----
83323370 E
2-29 •
Table 2-3., lists the test point labels as they appear on the
FTU front panel.
Definitions of the signals present are given
for both types of interfaces.
Two banana jacks for head alignment are located in the lower
left corner of the front panel." The black and red leads from
the head alignment card plug into the jacks marked - and + respectively.
TABLE 2-3.
TEST POINTS
STD Label
MUX Label
STD Definition
Mux Definition
AM FOUND
"BIBO
Address Mark Found
from the drive
Bus In Bit 0 from
the drive
NOT USED
BIBI
Not Used
Bus In Bit I from
the drive
ON CYL
BIB2
On Cylinder from
the drive
Bus In Bit 2 from
the drive
READY
BIB3
Ready signal from
the drive
Bus In Bit 3 from
the drive
NOT USED
BIB4
Not Used
Bus In Bit 4 from
the drive
NOT USED
BIBS
Not Used
Bus In Bit S from
the drive
SK ERR
BIB6
Seek Error from
the drive
Bus In Bit 6 from
the drive
FAULT
BIB7 _
Fault signal from
the drive
"Bus In Bit 7 from
the drive
RD GATE
RD GATE
Read Gate from
the drive
Read Gate to the
drive
RD CLK
RD CLK
Read Clock from
the drive
Read Clock from
the drive
Table Continued on Next page:
• 2-30
83323370 E
TABLE 2-3.
TEST POINTS (Contd)
STD Label
MUX Label
STD Definition
Mux Definition
RD DATA
RD DATA
Read Data from
the dri ve
Read Data from
the dr ive
WRT GATE
WRT GATE
write Gate to the
drive
Write Gate to
the drive
WRT CLK
WRT CLK
Write Clock to the
drive
Write Clock to
the drive
WRT DATA
WRT DATA
Write Data to the
drive
Wr i te Data to
the drive
AM GATE
AM GATE
Address Mark Gate
Address Mark
Gate
READ ERR
READ ERR
A read error is
detected in the
FTU
A read error is
detected in the
FTU
GND
GND
Ground Test Point
Ground Test Point
TAG 1
TAG 2 0
Tag 1 to the
drive
Tag 2 0 to the
drive
TAG 2
TAG 21
Tag 2 to the
drive
Tag 21 to the
drive
TAG 3
Tag 3 to the
drive
Tag 3 2 to the
drive
BOBO
Bus Out Bit 20 to
the drive
Bus Out Bit 27
to the dr ive
Bus Out Bit 12 to
the drive
Bus Out--Bi t 24
to the drive
Bus Out Bit 22 to
the dri ve
Bus Out ·Bit 2 5
to the drive
BOB2·
BOBS
Table Continued on Next Page
83323370 E
2-31
TABLE 2-3.
TEST POINTS (Contd)
STD Label
MUX Label
STD Definition
Mux Definition
BOB3
BOB4
Bus Out Bit 2 3 to
the drive
Bus Out Bi t 24
to the dr ive
BOB4
BOB3
Bus Out Bit 24 to
the drive
Bus Out Bit 2 3
to the dr ive
BOBS
BOB2
Bus Out Bit 2 5 to
the drive
Bus Out Bi t 22
to the dr ive
BOB6
BOBI
Bus Out Bit 2 6 to
the drive
Bus Out Bit 21
to the dr ive
BOB7
BOBO
Bus Out Bit 27 to
the drive
Bus Out Bit 2 0
to the drive
BOBa
NOT USED
Bus Out Bit 2 8 to
the drive
BOB9
NOT USED
Bus Out Bit 2 9 to
the drive
BOBIO
NOT USED
Bus Out Bit 210 to
the drive
INDEX
INDEX
Index signal from
the drive
Index signal from
the dr ive
SECTOR'
SECTOR
Sector signal from
the dr i ve
Sector signal
from the drive
--I--.
LOADING DATA
Data is entered into upper byte (8-F LEDs) and lower byte (0-7
LEOs) of row 2 vi a the FTU key board swi tches O-F (see figure
2-7).
After ensuring data, in row 2, is correct pressing LOAD
key:
•
Transfers row 2 data into row 1.
•
En"ters row 2 data into memory.
• 2-32
83323370 E
,The following are 3 methods of entering
DATA ENTRY switch to desired position.
•
data
after
rotating
NO'rmal entry - Each time any (O-F) key is pressed, its
hexadecimal value is entered into lower 4 LEDs (0-4) of
row 2.
Data presently in LEDs 0-4 shifts 4 LEDs to the
left. Any data shifted left beyond F is lost (drops off).
UPPER BYTE
PRESSING .
IDISpl KEY
MOVES DATA
IN ROW 1
BACK INTO
ROW 2.
PRESSING
ICLR ENT I KEY
REMOVES DATA
FROM FTU
ROW 2.
LOWER BYTE
10
II
12 13
14 15
PRESSING
ILOADI KEY
ENTERS DATA
FROM ROW 2
INTO ROW 1
AND INTO
MEMORY
ROW 1
UPPER BYTE
LOWER BYTE
ROW 2
DATA IS ENTERED INTO ROW 2
OVERLOADING UPPER AND LOWER BYTES
OF ROW 2, CAUSES DATA MOVING FROM
RIGHT TO LEFT TO DROP OFF (IS LOST)
Figure 2-7.
9H349
Loading Data into FTU
•
Bi t entry - Pressing BIT key, prior to
causes the corresponding LEDs to toggle.
key clears bit mode.
•
Display - Data can be exchariged between row 1 and row 2
by pressing DISP key (action will not effect memory).
enter ing data,
Pressing LOAD
Pressing DEC key converts row 2 hexadecimal data to (BCD)
data.
Pressing HEX key converts row 2 decimal data (to hexadecimal data. Pressing CLR ENT key clears row 2 LEDs.
83323370 C
2-33
OPERATING PROCEDURES
GENERAL
The operating procedures provide Jnstructions for operating the
FTU when controlling the drive.
Prior to performing these operations, the operator should be familiar wi th all the information contained in General Operating Information.
Refer to the
individual drive manual for procedures concerning operation of
the dri ve •
POWER ~p INITIALIZATION
1.
Remove dri ve , t o be serviced, from the system and connect
FTU to dri ve using applicable cable configuration listed
in table 2-1.
2.
Set circuit breaker CBl, on power supply assembly, to ON
and ensure that LEDs -5 and +5, in row 4, are lighted.
3.
position PROCESSOR switches;
lows:
on FTU front panel, as fol-
a. Set S.TART/RESET switch to RESET position.
b. Set RUN/HALT switch to HALT position
4.
position switches on FTU front panel as follows:
SWITCH
--
• 2-34
POSITION
SINGLE/CONT
CONT
-/+(Carrage offset)
Center
LATE/EARLY
Center (normal)
WRITE FLAG
OFF
WRITE PROT
ON
AM/SECTOR
EOT STOP
as desired
OFF
DATA ERROR OVERRIDE
OFF
ADDR ERROR OVERRIDE
OFF
SHIFT PATT/DATA PATT
DATA PATT
R/W SELEcr
ACCESS ONLY
ACCESS SELEcr
DIRECT SEEK
(OFF)
83323370'E
5.
position PROCESSOR switches as follows:
a. Set START/RESET toggle switch to start.
b. Set RUN/HALT swi tch to RUN and ensure that ON CYL,
RDY, WT PROT, SELD, SEEK ERR, FLT, BUSY, and RUN LEOs
are lighted.
6.
If drive is operating in remote power sequence mode, ensure that FTU SEQ PWR/OFF switch is set to SEQ PWR to allow drive to complete power up first seek operation.
7.
Perform Selecting Drive Procedures.
8.
Install scratch pack on drive.
perform read/write tests on C.E.
ber) cylinder only.
9.
Ini tiate
manual.
drive heads
load
For fixed media drives,
(innermost, highest num-
sequence
per
individual dr ive
SELECTING ·DRIVE· .
NOTE
Erratic and unreliable drive operation is possible if drive type code is not cor~ect.
Determine device type code, for drive being serviced, by referring to table 2-4 and/or figure 2-8.
When selecting drive, the FTU sequences through 16 (0-15) possible logic signals from drive.
The logic number is displayed
in rO\ll 1 LED, when DATA ENTRY swi tch is rotated to UNIT NUMBER
position.
If drive is not selected, following several retries,
the FTU times out and the SEL LED flashe~.
1.
Rotate DATA ENTRY switch to DEVICE TYPE position.
2.
Enter device type code. Ensure that code is entered correctly by observing its display, in hexadecimal on row 2
of LEDS.
If code is not correct, press CLR ENT key,
clearing row 2, and reenter code.
3.
Press LOAD key, transferr ing code from row 2 into row 1
and into memory.
Ensure that code has transferred correctly by observing its display on row 1 of LEOs.
If
code is not correct, press DISP key, returning code from
row 1 back into row 2. Press CLR ENT key, clearing code
from row 2, and reenter code.
83323370 E
2-35
TABLE 2-4.
DRIVE
FAMILY
S
M
D
DEVICE
CAPACITY
INTERFACE
9760-40
9762-80
DEVICE TYPE CODES
DEVICE
TYPE
INDEXSECTOR/A
(NRZ
DATA) *A
DEVICE
TYPE
INDEXSECTOR/B
(MFM
DATA)**B
DEVICE
TYPE
INDEXSECTOR/A
(MFM
DATA)**A
Mux
lAOS
60/75 Std OA05
1205
0205
3A05
2A05
3205
2205
Mux
1905
60/75 Std 0905
1105
0105
3905
2905
3105
2105
9764-150
Mux
lA19
60/75 Std OA19
1219
0219
3A19
2A19
3219
2219
9766-300
Mux
1919
60/75 Std 0919
1119
0119
3919
2919
3119
2119
973X-12
Mux
1802
60/75 Std 0802
1002
0002
3802
2802
3002
2002
--.
DEVICE
TYPE
INDEXSECTOR/B
(NRZ
DATA)*B
I
M
M
D
I
973X-24
Mux
1804
60/75 Std 0804
1004
0004
3804
2804
3004
2004
973X-80
Mux
1905
60/75 Std 0905
1105
0105
3905
2905
3105
2105
973X-160
Mux
1910
60/75 Std 0910
1110
0110
3910
2910
3110
2110
973X-2.5
Mux
1004
60/75 Std OD04
1504
0504
2004
2D04
3504
2504
I
Table Continued on Next Page
2-36
83323370 E
TABLE 2-4.
DRIVE DEVICE
FAMILY CAPACITY
INTERFACE
DEVICE TYPE CODES (Contd)
DEVICE
"TYPE
INDEXSECTOR/B
(NRZ
DATA)*B
DEVICE
TYPE
INDEXSECTOR/A
(NRZ
DATA) *A
DEVICE
TYPE
INDEXSECTOR/A
(MFM
DATA}**A
DEVICE
TYPE
INDEXSECTOR/B
(MFM
DATA)**B
-
973X-5.0
Mux
60/75 Std
lE04
OE04
1604
0604
3E04
2E04
3604
2604
973X-I0
Mux
60/75 std
IF04
OF04
1704
0704
3F04
2F04
3704
2704
C
M
D
9448
Mux
60/75 Std
99XX
89XX
91XX
81XX
B9XX
A9XX
BIXX
AIXX
F
M
D
9775
Mux
60/75 Std
IB40
OB40
1340
0340
3B40
2B40
3340
2140
k
9455
Mux
60/75 Std
1904
0904
1104
0104
3904
2904
3104
2104
M
M
D
D
***
*
**
***
units with Read PLO for MFM to NRZ conversion
Units without Read PLO for MFM to NRZ conversion
Maximum cylinder number must be modified (DATA ENTRY position
F) to 205 decimal (CD in hexadecimal) .
83323370 E
2-37
Determine
Drive Options
L
~A0
I
I
I
Number of
Heads
Number of
Cylinders
I
4 I 2 I 1
2 1 o
7 6 543
8 141 2 I 1 8 141 2 I 1 I
M::Is t
si gn.
bit
Least
sign.
bit
Example:
J
number of moveable
heads (decimal number)
150 megabyte SMD has
19 moveable R/W hea ds
thus the last two digits of the
select code are 19
} Code uses 3 of the 4 b; ts av ailable
0 - 320
or if
none
apply.
1 - 823
in the 4 bit hex number
to determi ne the
number of cylinders
the drive has from a lookup table.
ill
2 - 411
I
3 - 843
4 - 1647
5 - 32
6 - 64
7 - 128
Example: 150 megabyte SMD has
411 cyl i nders ,
411 on table is a 2.
Index/sector si~nals in the B cable
Multiplex ( -11 interface
MFM data (no read PLO in driveJ
Not Used
CMD tyoe dri ve
08 Hex
10 Hex
20 Hex
40 Hex
80 Hex
00 If
none apply
The first 5 bits determines 1/0 and drive options and are entered with the cylinder code
as two Hex numbers.
Example:
150 megabyte SMD with standard 60 pin I/O with no read PLO,
and index/sector signals in the B cable is a 28 (Hex) code.
28 Hex Thus the device type code is 2A19.
+ 2 Hex
2A Hex
Note:
~ If
none apply, after selecting drive, rotate DATA ENTRY switch to F position and
manually enter, via keyboard, the number of cylinders.
9H351A
Figure
2-38
2~8.Device
Type Code Determination
83323370 E
I
4.
Ensure that LED I/O RDY, in row 3, is lighted. Status of
remaining LEDs, in row 3, can be disregarded for this
step of the procedure.
5.
Press SEL DRV key and interpret -results as follows:
6.
•
If SEL LED, lights and drive logical address appears
in row 1 of LEDS, selection is successful, proceed to
desired operation.
•
If SEL LED is flashing and/or incorrect logical address appears in row 1 LEDS, selection is unsuccessful', proceed to step 6.
Proceed as follows if unable to select drive:
a. Verify that correct device type code is entered.
b. Troubleshoot select problem on drive.
If desired to
select drive during troubleshooting, perform Status
Bypass procedures prior to pressing SEL DRV key.
SMD, MMD, FMD, Selection
Perform Selecting Drive procedures.
CMD Selection
Selection of CMD drive includes selecting fixed volume, removable volume (cartr idge), and both fixed and removable volume.
Note, when going between fixed and removeable volumes, any information that may have 'been entered with the DATA ENTRY switch
at position E is destroyed when the SEL DRV Key is pressed.
83323370 F'
2-38.1
I
Removable Volume
Perform selecting Drive procedures.
Fixed Volume
Perform Selecting
5 below:
Dr~
ve precedures followed
by steps 1 through
1.
Rotate ACCESS SELECT switch to FIXED VOLUME position.
2.
Rotate DATA ENTRY switch to STATUS BYTES position.
3.
Select status byte 2 by pressing key 2.
NOTE
When changing from removable volume to fixed
volume,
pressing
SEL DRV after
performing
function E will destroy contents of E.
4.
5.
Press SEL DRV key and interpret results as follows:
•
If SELD LED lights and drive "logical address
appears in row 1 of LEOs, selection is successful,
proceed to desired operation.
•
If SELD LED is flasing and/or incorrect logical
address appears ln row 1 of LEDs, selection is
unsuccessful, proceed to step 5.
Proceed as follows if unable to select drive:
a. Verify that correct device type code is entered.
b. Troubleshoot select problem on drive.
If drive is
selcted " dur ing troubleshooting, perform status bypass
procedures prior to pressing SEL DRV key.
6.
Toggle WRITE PROT switch (to WRITE PROT position and back
to OFF position).
83323370 F
2-39 •
Fixed and Removable Volume
Select CMD fixed and iemovablevolume by"positioning FTU front
panel switches as follows:
1.
Rotate ACCESS SELECT switch to FIXED VOLUME position.
2.
Rotate DATA ENTRY switch to STATUS BYTES position.
3.
Select status byte 2 by pressing key 2.
4.
Press GO key and interpret results as follows:
5.
•
If SEL LED, lights and drive logical address appears
in row 1 of LEOs, selection is successful, proceed to
desired operation.
•
If SEL LED is flashing and/or incorrect logical address appears in row 1 of LEDS, selection is unsuccessful, proceed to step 5.
Proceed as follows if unable to select drive:
1. Verify that correct device type code is entered.
2. Troubleshoot select problem on drive.
If desired to
select drive during' troubleshooting, perform Status
Bypass procedures prior to pressing SEL DRV key.
LMD (Lark) Selection
Per form Selecting Dr i ve proceedures
below:
followed by steps land 2
1.
Rotate DATA ENTRY switch to F position.
2.
Enter via keyboard, the LMD hexadecimal maximum cylinder
number OOeD.
SECTOR COUNT CHECK
The FTU automatically counts and displays the number of sector
pulses generated by the drive per revolution of the disk. This
s'ector pulse count is used to calculate the length and number
of data records to be written on each track.
2-40
83323370 E
Note that while the FTU is capable of handling a max~mum of 128
sectors, the following procedure will vary according to the
number of sectors the particular drive is set to generate.
Some sector counts, gene~ated by the drive, will 'produce an ex-'
tra sector pulse at' the end of the track that will resul t in a
short sector (the last sector of the track will be shorter than
the rest).
Sector counts not listed in Table '2-4.1 will result
in a short sector at the end of track. Whenever the FTU counts
and displays a sector count not listed in Table 2-4.1, the FTU
must be programmed to ignore the short sector to eliminate the
possibility of writing over index and into the protected area.
1.
Refer to the applicable drive specifications or sector
swi tch set tings and dete rmine the cor rect numbe r of, sector pulses for the dri ve (not the number observed, as on
an osc i llos cope) •
2.
Refer to Table 2-4.1, and determine whether the sector
count will result in a short sector and verify the sector
count as follows.
a. Rotate DATA ENTRY switch to C position.
b. Press DISP key, on keyboard,
count in hexadecimal.
displaying
the
sector
c. Press DEC key, converting the sector count to decimal.' I f the sector count is the same number as determined in step 1, proceed with desired operation.
If
the sector count is one number larger than the number
determined in step 1, program the FTU to ignore the
short sector by proceeding to step 3.
If the sector
count is not the same as the number determined in step
1 or one number larger,
troubleshoot the problem,
prior to performing any write operation.
3.
Program the FTU to ignore the shor t
track as follows:
a. Press
CL~R
sector at the end of
ENT key, canceling display.
b. Enter the correct sector count, determined in step 1,
in decimal.
c. Press HEX key,
mal.
83323370 E
converting number entered to hexadeci-
2-41 •
d. Press LOAD key,
into memo ry •
entering
correct
sector
count
nUmber
e. Repeat step 2 to verify. that the FTU is counting and
displaying the correct sector count for that particular drive.
TABLE 2-4.1
1
4
5
6
7
8
10
12
-SEcrOR COUNTS WITHOUT A SHORT SEcrOR
14
15
16
20
21
24
28
30
32
35
40
42
48
56
60
64
70
80
84
96
105
112
120
128
DATA FIELD LENGTH
The data field length, based on the number of sectors per drive
(see figure 2-8)
is automatically updated when the sector
length of the drive is updated.
The data field length is displayed in row 1 LEDs when DATA ENTRY switch i~ set to D position (see table 2-6) •
TABLE 2-5.
p.wi tch
Set ting
DATA ENTRY
switch set
to D pas i tion
ROW 1 LED Indicators
(2 15 - 2 8 )
Number of words
less 1.
For special test purposes,
fied as follows:
• 2-42
DATA FIELD LENGTH
the
data
ROW 2 LED Indicators
(2 7 - 20)
Number of 4 bi t bytes
per word less 1.
field length can be modi-
83323370 E
TRACK
I I INDEX
I
I
RECORD 14 t'
SECTOR 15 SECTOR 00
\.~
RECORD 0
SECTOR 01
I
-~
'V'
I
I
PROTECTED ;
AREA
I
-~
,...---- ----
........ -- ....
-------
I
~
.....
OVERHEAD BYTES
-- ----
......... ..... .....
..........
.......... ..........
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
-------
DATA FIELD
,
I ,FORMAT ILLUSTRATES
_--A DRI V1-SET FOR 161------I
SECTORS
I
I
LENGTH CAN BE MODIFIED
I
,,
,,
'I
I
1
I
I
I
I
DATA FIELD LENGTH
9H347
Figure 2-9.
8 3323 37 a E
,I
Read/Write Data Format Diagram
2- 4 3 •
CAUTION
Use extreme care not to enter a number larger
than the number ·calculated in step 1, when
modifying the data field length. Entering too
large a number could cause drive to write ihto
protected area (see figure 2-8).
1.
Calculate maximum allowable data field length as follows:
Data Field Length
Byte? where:
Bytes per Record
=
= Bytes per Record minus Overhead
Bytes per track - Bytes in Protected sectors
Number of Records
Overhead Bytes
figure 2-8)
=
Bytes in Protected Sector(s)
III (for all applications (see
=
Bytes per Track x Number of
Number of sectors Protected Sectectrs (see
figure 2-7)
2.
Rotate DATA ENTRY switch to D position and ·observe row 1
LEDs.
3.
Manually
enter
(in hexadecimal)
desired
data
field
length, not to exceed the number calculated in step 1.
NUMBER OF DATA RECORDS
The FTU displays the total number of data records available for
use on each track. The number of records correspond to the total number of sectors per track minus the sectors contained in
the protected area immediately following index
(see figure
2-8).
The FTU prevents writing in the protected area thus any
sectors located in the protected area are unavailable for storage of data.
The number of sectors in the protect area , varies with the total number of sectors per revolution generated by the dr ive,
while the size of the protected area remains constant. Changing the total number of sectors, per revolution, causes the
si ze of the sectors (bytes per sector) to change.
The relationship between the number of sectors, protected area, and
sector location available for writing the first data record. is
illustrated in table 2-6 .
• 2-44
83323370 E
TABLE 2-6.
SECTOR AND DATA RECORD RELATIONSHIP
1-16
17-32
33-48
49-64
65-80
71-96
87-112
103-128
EXAMPLE:
Sector Location of
1st Data Record
Number
Protected
Number
of Sectors
1
2
3
4
5
6
7
8
(0)
(0 ,1)
(0-2 )
(0-3)
(0-4)
(0-5)
(0-6)
(0-7)
64 sector drive
1
2
3
4
5
6
7
8
I
(sector 0-63).
Sector 0,1,2, and 3 are protected.
Sectors 4 through 63 are available for data records numbered a through 59.
Record
a
corresponds to sector 4.
Record 59 corresponds to sector 63.
NOl'E
Perform step 1 to display number of dat a records.
Perform step 2 to change number of
data records.
1.
Display the number of data records as follows:
a. Rotate DATA ENTRY switch to position E.
b. Observe number of data records displayed in upper byte
of row 1 LEOs. '
2.
Change the number of data records as follows:
CAUTION
When changing the number of data ,records, do
not enter a number larger than the number of
sectors generated by the dri ve minus the sectors in the' protected area (see Sector Check
procedure).
Entering a number of data records
larger than the number of sectors could cause
dri ve' to write into protected area (see figure
2-8) •
83323 370, E
2-:-'45,
a. Rotate DATA ENTRY switch to E position.
b. Using Bit entry per Data Loading
new numberrif data records.
c. Observe upper byte
number is correct.
if
row 1 LEOs
procedures;
to' ensure
enter
that
the
MANUAL TAGS
Manual tags allow a specific command (combination of tag and
bus bits) to be put on I/O lines to drive being serviced when
GO key is p'ressed.
Determine proper tag and bus bi ts of desired command by referring to applicable drive manual.
1.
Rotate ACCESS SELECT switch to MANUAL TAG position.
2.
Set SINGLE/CONT swi tch to desired posi tion.
If single
tag is desired, set switch to SINGLE position. If multiple tags are desired, set switch to CONT position.
3.
Press BIT key.
4.
Enter applicable information from dri ve manual and table'
2-8 to make desired tag and bus bits true.
Observe bit
selection displayed on row 2 LEOs.
NOTE
I
If
7.
transient tag is desired, proceed
If permanent tag is desired:
•
Perform steps 6 and 7 for drive with multiplex interface
•
Perform steps 5 and
standard interface.
7
for
to
drives
step
with
5.
Ensure thatSINGLE/CONT switch is set to SINGLE position.
Press BIT key, on keyboard, and observe bi t selection on
row 2 LEOs.
6.
Ensure that SINGLE/CONT switch is set to SINGLE position.
Proceed to STATUS BYPASS procedure and per form CONT. UPDATE MUX STATUS bypass pr ior to pressing BIT key on keyboard. Observe bit selection on row 2 LEOs.
7.
Press GO' key, sending the I/O command out on interface.
2-46
83323370 F
TABLE 2-7.
FTU
KEY/LED
F
STD I/O
Bit
--
MANUAL TAGS
MUX I/O
Data Entry Swi tch
Posi tioned To Head
Bit
--
Mux
Bus
In
Bit
0
E
Tag 3
Tag 2
1
D
Tag 2
Tag 1
2
C
Tag 1
Tag O
3
4
B
--
--
A
--
9
Bit 9
8
Bit 8
----
7
Bit 7
Bus Out Bi t
0
-
-
-
6
Bit 6
Bus Out Bit 1
-
-
-
5
Bit 5
Bus Out Bit 2
-
-
4
Bit 4
Bus Out Bit 3
-
-
3
Bit 3
Bus Out Bit 4
-
-
2
Bit 2
Bus Out Bit 5
-
1
Bit 1
Bus Out Bit 6
-
0
Bit 0
Bus Out Bit 7
-
-
83323370 E
5
6
7
-
2-47 •
STATUS BYPASS
The FTU will normally not send commands to drive if error conditions are present. For special test purposes; it is possible
to over ride this condi tion and continue exercising the dri veby positioning FTU front panel switches as follows:
1.
Rotate DATA ENrRY swi tch to STATUS_ BYTES position.
2.
Pres s F key.
3.
Press CLR ENT key.
4.
Press BIT key.
5.
Enter appropriate bypass bit(s) from table 2-9.
Row 2
LEDs will display the bypass- bi t (s) of· er ror condi tion in
row 3. directly below it.
6.
Press LOAD key.
7.
PressF key.
TABLE 2-8.
Bit Display
Bypass Bit
STAT_US BYPASS BIT TABLE
Bypas s S tat us
213
0
On Cylinder
212
C
Tag Gate In (ROY)
210
A
Selected
29
9
Seek Error
28
8
Fault
215
F
Time Out
214
E
Continuous Updated MUX Status
The FTU is now programmed to continue exercising the drive despite error condition.
• 2-48
83323370 E
ITI COMMAND
Command drive to perform RTZ (return to zero)
tioning FTU front panel switches _as follows:
seek
by posi-
1.
Press RTZ key.
2.
EnsUre that ON CYL, ROY, and SELD LEDs are lighted.
DIRECT SEEK/ACCESS ONLY
1.
Perform Power Up Initialization procedure.
2.
Perform Drive Selection Procedure.
3.
Rotate RD/WRT SELECT switch to ACCESS ONLY position.
4.
Rotate ACCESS SELECT switch to DIRECT SEEK position.
5.
Rotate DATA ENTRY switch to DESTINATION position.
6.
Enter a cylinder
LOAD key.
7.
Press GO key.
8.
Press STOP key.
9.
Press CLR key.
next test.
address
FTU
is
number
now ready
(in
decimal)
to be
and
programmed
press
for
10. Observe row 1 LEDs, to ensure that cylinder address is
being sequenced, after positioning switches as follows:
a. Rotate DATA ENTRY switch to STATUS BYTES position.
b. Press 1 ke y .
DIRECT CONT / ACCESS ONLY
Perf orm steps 1 through 7 to perform a see~ between 0 and one
selected address. Perform steps 1 through 11 to perform a seek
between two selected addresses.
1.
Perform Power Up Initialization procedure.
2.
Perform Dri ve Selection Procedure.
83323370 E
2-49' •
3.
Rotate RD/WRT SELECT switch to ACCESS ONLY position.
4.
Rotate ACCESS SELECT swi tch to DIRECT SEEK posl tion.
5.
Rotate DATA ENl'RY swi tch to DESTINAT.ION posi tion.
6.
Enter a cylinder
LOAD key.
7.
Press GO key.
8.
Press STOP key.
9.
Rotate ACCESS SELEcr swi tch to DIRECT CDNT posi tion.
address
number
10. Enter second cylinder address
key.
(in
decimal)
(in decimal)
and
press
and press LOAD
11. Press GO key.
NOTE
Observe each cylinder address by performing
step 12. Otherwise proceed to step 13.
12. Each cylinder address will be displayed, on row 1 LEDs;each time GO key is pressed after positioning switches as
follows:
a. Set SINGLE/CONT toggle switch to SINGLE position.
b. Rotate DATA/ENTRY switch to STATUS BYTES position.
c. Press 1 key.
d. Press GO key, and observe first selected address.
e. Press GO key, and observe second selected address.
13. Set SINGLE/CONT switch to desired position.
In SINGLE,
drive seeks between two tracks once and stops.
In CONT,
the number of seeks performed depends on setting of Ear
STOP/OFF switch.
Set EOT STOP/OFF switch as instructed
in either a or b below.
a. Enable drive to seek cootinuously until STOP
pressed by setting Ear S.TOP/OFF switch to OFF.
key
is
b. Enable drive to stop automatically after 10 000 seeks
by setting Ear S.TOP/OFF switch to EOT STOP.
Test can
also be stopped manually, at anytime, by pressing STOP
key.
• 2-50
83323370 E
14. Press GO key. Drive is now performing test.
step 15 when test is complete.
15. Press CLR and RTZ keys.
grammed for next test.
Proceed to
The FTU is now ready to be pro-
SEQ FORWARD SEEK/ACCESS ONLY
1.
Perform Power Up Ini tialization procedure.
2.
Perform Dri ve Selection Procedure.
3•
Rotate ACCESS SELEcr swi tch to SEQ FORWARD pas i tion.
This test normally causes seeks in increments of one cylinder.
If desired to increment by more than one cylinder, position switches as follows:
a. Rotate DATA ENTRY, switch to SEEK INCREMENT position.
b. Enter (in hexadecimal) the desired increment number
am observe that the nLnnber is displayed in row ILEDs.
4.
Rotate RD/WRT SELEcr switch to ACCESS ONLY position.
5•
Set S INGLE/CONT swi tch .to des i red pas i ti on •
InS INGLE,
drive performs one seek and stops.
In CONT, the number
of seeks performed deperrls on setting of Ear STOP/OFF
swi tch.
Set EOT STOP/OFF swi t.ch as instructed in· ei ther
a or b below.
.
a. Enabl e dri ve to seek con ti nuously until STOP
pressed by set ting Ear S.TOP /OFF swi tch to OFF.
key
is
b. Enable drive to stop automatically after performing
all possible seeks once by setting EOT STOP/OFF switch
to Ear STOP.
Test can also' be stopped manually, at
anytime, by pressing S~OP key.
6.
Observe row 1 LEDs, to ensure that the cylinder address
is being sequenced, after positioning switches as follows:
a. Rotate DATA/ENTRY swi tch to STAT.US BYTES posi tion.
b. Press 1 key.
c. Press 00 key, instructing drive to perform test.
test is completed, proceed to step 7.
7.
Press CLR and RTZ keys.
grammed for next test.
83323370 E
when
The FTU is now ready to be pro-
2-51 •
SEQ REVERSE SEEK/ACCESS ONLY
1.
Perform Power Up Initialization procedure.
2.
Perform Dri ve Selection Procedure.
3•
Rotate ACCESS SELECT swi tch to SEQ FORWARD pas i tion.
This test normally causes seeks in increments of one cylinder.
If desired to increment by more, than one cylinder, position switches as follows:
a. Rotate DATA ENTRY switch to SEEK INCREMENT position.
b. Enter (in hexadecimal) the desired increment number
and observe .that the number is displayed in row I LEDs.
4.
Rotate RD/WRT SELECT swi tch to ACCESS. ONLY posi tion.
5.
Set SINGLE/CONT switch to desired position.
In SINGLE,
drive performs one seek and stops.
In CONT, the number
of seeks performed deperrls on setting of Ear STOP/OF?
swi tch.
Set EOT STOP/OFF swi tch as instructed in-' ei the r
a or b below.
a. Enable drive to seek continuously until S,TOP
pressed by setting EDT S~OP/OFF switch to OFF.
key
is
b. Enable drive to stop automatically after J>erforming
all possi ble see ks once by set ting EOT STOP JOFF swi tcn
to EDT STOP.
Test can also be stopped manually, at
anytime, by pressing STOP key.
6.
Observe row I LEOs, to ensure that the cylinder address
is being sequenced, after positioning switches as follows:
a. Rotate DATA/ENTRY swi tch to STAT.US BYTES posi tion.
b. Press I key.
c. Press
test.
7.
GO key two times, instructing drive to perforn
When test is completed,' proceed to' step 7.
Press CLR and RTZ keys.
grammed for next test.
The FTU is now ready to be pro-
SEQ FWD/REV - ACCESS ONLY
1.
Perform Power Up Initialization procedure.
2..
Perform Selecticn Drive Procedure •
• 2-52
83323370 E
3.
Rotate ACCESS SELEcr swi tch to SEQ' FORWARD pos i tion.
This test normally causes seeks in increments of one cylinder.
If desired to increment by more than one cylinder, position switches as follows:
a. Rotate DATA ENTRY switch to SEEK INCREMENT position.
b. Enter (in hexadecimal) the desired increment number
arrl observe that the number is displayed in row 1 LEDs.
4.
Rotate RD/WRT SELECT switch to ACCESS ONLY position.
S.
Set S INGLE/CONT swi tch to des ired pos i ti on •
InS INGLE,
drive performs one seek and stops.
In CONT, the number
of seeks performed deperrls on setting of Ear STOP/OFF
switch.
Set EOT STOP/OFF switch as instructed in-' either
a or b below.
.
a. Enable drive to seek continuously until STOP
pressed by set ting Ear STOP/OFF swi tch to OFF.
key
is
b. Enable drive to stop automatically after Eerforming
all possible seeks once by setting EOT STOP/OFF switch
to EDT STOP.
Test can also be stopped manually, at
anytime, by pressing STOP key.
.
6.
Observe row 1 LEDs, to ensure that the cylinder address
is being sequenced, after positioning switches as follows:
a. Rotate DATA/ENTRY switch to STATDS BYTES position.
b. Press 1 key.
c. Press
test.
7.
GO key two times, instructing drive' to perform
When test is completed, proceed to step 7.
Press CLR and RTZ keys.
grammed for next test.
The FTU is now ready to be pro-
RANDOM SEEK/ACCESS ONLY
1.
Pe rform Power Up Ini tial ization procedure.
2.
Perform Dri ve Selection Procedure.
3.
Rotate ACCESS SELECT switch to RANDOM SEEK position.
4.
Rotate RD/WRT SELECT switch to ACCESS ONLY position.
83323370 E
2-53 •
5.
Observe row 1 LEDs, to ensure that the cylinder address
is being sequenced; after positioning switches as follows:
a. Rotate DATA/ENTRY switch to STATUS-BYTES position.
b. Press 1 key.
NOTE
Command each seek individually by performing
step 6, otherwise proceed to step 7.
6.
Command each
as follows:
see k
i ndi vi dually,
by
posi ti oning
swi tches
a. Set SINGLE/CONT toggle swi tch to SINGLE posi tion.
b. Press 1 key.
c. Press GO Key for each seek.
7.
Set S.INGLE/CONT switch to desired position.
In S.INGLE,
dri ve performs cne seek am .stops.
In CONT, the number
of seeks performed depends on setting of EOT STOP/OFF
switch.
Set EOT STOP/OFF switch as instructed in either
a or b below.
a. Enable drive to seek continuously until STOP
pressed by set ting Ear S.TOP /OFF swi tch to OFF.
key
is
b. Enable dri ve to stop automatically after performing
all possi ble seeks once by set ting EOT STOP /OFF switch
to EOT STOP.
Test can also be stopped manually, at
anytime, by pressing S~OP key.
8.
Press GO key.
Drive is now performing test.
step 9 when test is canplete.
9.
Press CLR and RTZ keys.
grammed for next test.
x -
Proceed to
The FTU is now ready to be pro-
N SEEK/ACCESS ONLY
1.
Pe rform Power Up Ini tial ization procedure.
2.
Perform Dri ve Selection Procedure.
• 2- 5 4
83 323 37 0 E
3.
Rotate ACCESS SELECT switch to X - N SEEK position. This
test normally causes seeks in increments of one cylinder.
.If des ired to increment by more than one cylinder, position the switches as follows:
a. Rotate DATA ENTRY switch to SEEK INCREMENT position.
b. Enter (in hexadecimal) desired increment number and
observe that the number is displayed in row 1 LEDs.
c. Press LOAD key.
4.
Rotate RD/WRT SELECT switch to ACCESS ONLY position.
5.
Observe row 1 LEDs, to ensure that the cylinder address
is being sequenced, after positioning switches as follows:
a. Rotate DATA/ENTRY switch to STATUS BYTES position.
b. Press 1 key.
6.
Set SINGLE/CONT swi tch to desired posi tion.
In SINGLE,
dr i ve per forms one seek and stops.
In CONT, the number
of seeks performed depends on setting of EOT STOP/OFF
switch.
Set EOT STOP/OFF switch as instructed in either
a or b below.
a. Enable drive to seek continuously until STOP
pressed by setting EOT STOP/OFF switch to OFF.
key
is
b. Enable drive to stop automatically after performing
10 000 seeks by setting EOT STOP/OFF swi tch to EOT
STOP.
Test can also be stopped manually, at anytime,
by pressing STOP key.
7.
Press GO key.
Drive is now performing test.
~tep 8 when test is complete.
8.
Press CLR and RTZ keys.
grammed for next test.
Proceed to
The FTU is now ready to be pro-
READ/WRITE OPERATIONS
The FTU is capable of performing five types of read/write operations.
It can perform anyone. of these in conj unction ~..,i th
anyone of the access operations.
All read/wr i te operations
are covered in the following three procedures:
(1) write/Write
Format, (2) Write/Read or write/Read Format, and (3) Read.
83323370 E
2~55
NOTE
During sequential
head operations,
if
I/O
status goes bad·, the· test execution will stop
but the head counter will cycle through to
zero.
To determine which· head is failing, the
test must be rerun with the head switch in
RANDOM or MANUAL.
Write or Write Form~t Operation
The following procedure describes how to prepare the FTU to
per form
either a wr i te or wr i te format ope.r a tion.
Our ing a
wr i te, the FTU commands the dr i ve to wr i te the data field portion of a record (see figure 2-8) with the operator determining
the data pattern.
During a write format, the entire data record including the address field is written, the operator supplies only the data field, the address is calculated and supplied automatically by the FTU.
1.
Perform Power Up Initialization procedure.
2.
Perform Drive Selection procedure.
3.
Perform Sector Count Check procedure.
4.
Prepare for desired seek operation by performing a, b, or
c below and then proceeding to step 5:
a. If X -N, random, or sequential (FWD, REV or FWD/REV)
seek is desired, set ACCESS SELECT switch to that pos i tion.
b. If direct seek is desired,
of Direct Seek procedure.
perform steps 3 through
6
c. If direct continuous seek is desired, perform steps 3
through 13 of Direct Continuous Seek procedure.
5.
Set HEAD switch to desired position (see Head Selection
procedure.
If switch is set to MANUAL Position, perform
a and b. Otherwise, proceed to step 6.
NOTE
I
Manual WRITE
next record.
a~
may
destroy
data
in
the
Rotate DATA ENTRY switch to HEAD position.
b. Enter
key.
2-56
FORMAT
desired head number
(in decimal)
and press LOAD
83323370 F
6.
Rotate RD/WRT "SELECT switch either WRT or WRT FORMAT
sition.
po~
NOTE
If
in WRT FORMAT position,
switch must be in SEQ position.
7.
RECORD-
toggle
Set RECORD switch to desired position.
If switch is set
to MANUAL posi tion, perform a and b. Otherwise, proceed
to step 8.
a. Set DATA ENTRY switch to RECORD position.
83323370 F
2-56.1
I
b. Enter desired head, number
key.
(in ,decimal)
and' press" LOAD
8.
Set +/- swi tch to OFF (center, posi tion). 'Setting swi tch
to + or -' position causes drive to indicate fault condition.
9.
Set EARLY/LATE swi tch t'o OFF (center posi tion) .
10. set WRITE FLAG/.Off switch to desired
position~
11. Set AM/SECTOR switch to desired position.
12. Set ERROR OVERRIDE switches
sired positions.
(DATA/OFF, ADDR/OFF)
to
de-
13. Set SHIFT PATT/DATA PATT switch to desired position.
14. Rotate DATA ENTRY switch to DATA PATTERN position and enter desired data pattern as follows: '
a. Enter 16 bit data pattern
decimal characters).
(consisting
of
four
hexa-
b. Press LOAD key.
CAUTION
Return WRITE PROT/OFF toggle swi tch to WRITE
PROT position after desired write operation is
completed.
Failure to return swi tch to protect posi tion could cause an accidential loss
of customer data.
15. set WRITE PROT/OFF switch to OFF.
NOTE
Perform step 16 to write on C.E. (innermost,
highest number) cylinder only.- Perform steps
16 andl7 to write all 'tracks except 256,
(track 256 is' locked out when drive :is controlled by FTU).
16. Allow wr i tirig only onCE (innermost highest number)
inder by proceeding as follows:
cyl-
a. Rotate DATA ENTRY switch to position B.
b. Enter 5754 via keyboard.
c. Press LOAD key.
'---
-
83323370 E
2-57 •
, 17 ~ Allow, wii"ting on ;Eill cyli nders' (e~'xcept '<:256) ~
as follows:
by
"proceeding
a. Rotate DATA ENl'Ry':switch to posi tion 'E.
b. Press DISP key.
c. Press BIT key.
d. Press l' key.
e. Press LOAD key.
18. Press ,GO key. FTU is now commanding drive to perform desired write operation.
Write/Read or Write/Read Format Operati!ln
The following procedure describes how to prepare the FTU to
command the drive to first write information and then to read
the same information back.
During a wri tel read 'format operation, the FTU writes then reads the entire record including the
address field (see figure 2-7).
During a write/read, the entire record is
read but only the data' field portion of a re-,
cord is written.
In both cases, the operator can control only
what is wr i tten in the data field' portion of the record, the
address field is automatically calculated and supplied by the
FTU.
1.
Perform Power Up Ini tialization procedure.
2.
Perform Drive Selection procedure.
3•
Perform
4.
Prepare for desired seek operation by performing a, b, or
c below and then proceeding to step 5:
S~ctor
Count Check pro"cedure.
a. If X - N, randOm,' or sequential (FWD, REV or FWD/REV)
seek is' desired, set 'ACCESS SELECl' swi tch to that posi tion.
'
b. If direct seek is desired,
of Direct Seek procedure.
perform steps 3 through 6
c. If direct con tinuous seek is desire¢!, perform steps 3
through'13 of Direct Continuous See k procedure •
• 2-58
:'
5.
Set HEAD switch to desired position (see Head Selection
procedure) • If swi tch is 'set to MANUAL Posi tion, perform
a and b. Otherwise, proceed to step 6.
a. Rotate DATA ENTRY switch to HEAD position.
b. Enter d esi red head number
key.
(in decimal)
and pres s LOAD
6.
Rotate RE/WRT SELEcr switch either WRT/RD or WRT/RD FORMAT posi tion.
7.
Set RECORD swi tch to des ired pas i tion •
If swi tch is set
to ~NUAL posi tion, perform a and b. Oterwise, proceed to
step 8.
a. Set DATtA ENI'RY swi tch to RECORD pos i tion.
b. Enter desired head number
key.
(in decimai)
and press LOAD
8.
Set +/- switch to OFF (center position)
Setting switch
to + or - position causes drive to indicate faul tcondition of this test.
9.
Set EARLY/LATE switch to OFF (center position).
10. Set WRITE FLAG/ Off switch to desired position.
11. Set AM/S~CrOR switch to desired position.
12. Set ERroR OVERRIDE
sired pas i tions.
swi tches
(DATA/OFF, ADDR/OFF)
to de-
13. Set SHIFT PATlI'/DATA PAT.T swi tch to desired position.
14. Rotate DATA ENTRY switch to DATA PATTERN position and enter desired data pattern as follows:
a. Enter 16 bit data pattern
decimal characters).
(consisting
of
four
hexa-
b. Press LOAD key.
83323370 E
2-59 •
:,·CAUTION
I:.
Return WRITE PRDr/OFF toggle swi,tch to WRITE
PROT position after desired write operation is
completed.
Failure to r,eturn switch to prOtect position, could cause ,an acci.dential'loss
of customer data.
"
15. set WRITE PROT/OFF switch to OFF.
NDrE
Perform step ·16 to write on C.E. (innermost;
highest number) cylinder only.
Perform steps
16 andl7 to write all tracks except 256,
(track 256 is locked out when dri ve is controll ed by FTU) •
16. Allow writing ooly on CE (innermost highest ntnnber)
inder by proceeding as follows:
cyl-
a. Rotate DATA ENTRY switch to position B •.
b. Enter 5754 via keyboard.
c. Press LOAD key.
17. Allow wri ti ng en all cylinders
as follows:
(except 256)
by proceeding
a. Rotate DATA ENTRY switch to position E.
b. Press DISP key.
c. Press BIT key.
d. Press 1 key.
e. Press LOAD key.
18. Press GO key. FTU is now commanding drive to perform desired wri te ope ration.
• 2-60
83323370 E
READ/WRITE OPERATION ON FIXE[) HEADS
Whenever an entry is made wi th DATA ENTRY swi tch set to fixed
heads, information previously entered with DATA ENTRY switch in
E posi tion, will be destroyed, and WT PROT LED will flash.
WRITE PROT swi tch may be swi tched ON, to- stop the flashing, but
if a write operation is desired, the WRITE PROT switch must be
switched OFF again prior to performing a write operation.
When performing read/write operations on fixed heads the
read/wr i te functions and displays apply as for movable heads,
with the following exceptions:
•
Stat,us byte 1, for standard interface drives, will display the logical cylinder address of the fixed head being
accessed.
•
Only the maximum logical
quential fixed heads.
•
status byte 2 displays the physical head number.
•
When performing an Access Select function, rotate ACCESS
SELECT switch to DIRECT SEEK and load DESTINATION to zero
(zero cylinder address).
•
Other access functions may not work correctly.
cylinder
is
displayed
for
se-
When moving from fixed heads to movable heads operation, with
DATA ENTRY switch in FIXED HEADS position, enter all zeros.
CAUTION
Customers data will be destroyed when wr i ting
with fixed heads.
1.
Rotate DATA ENTRY switch to FIXED HEADS position.
2.
Enter the total number of heads being access (48 or 96).
3.
Perform steps 15 through 17 of Read/Write operation.
MFM READ/WRITE EXCEPTIONS TO READ/WRITE OPERATIONS
When performing MFM read/write operation,
tions exist:
the following excep-
1'--. __
83323370 E
2-61--·
WRT/RD FRMT,
•
RD/WRT select switch applies to WRT/FORMAT;
and READ functioos on~y.
•
SHIFT PAT.,T swi tch is ignored because pattern
high or low f re quency •
•
Address is not written or read, therefore ADDRESS ERROR,
FLAG, and A.M./SECTOR switches do not apply.
•
MRM
type
dri ves
do not have
read
PLO,
therefore
FARLY/LATE strobe swi tch, that controls the read PLO, is
inoperati ve.
is nei ther
Read Operations
The following procedure describes how to prepare the FTU for
read operation. During a read operation, the FTU cormnand~ the
drive to read any data record (or records) selected by the operator.
It is important to note that this test will work only
if the record (0 r records.) to be read were wr i tten by the FTU.
1.
Perform Power Up Initialization procedure.
2.
Perform Drive Selection procedure.
3.
Perform Sector Count Check procedure.
4•
Pre pa re fo r des ired see k ope rat ion by pe rf 0 rm i ng a, b,
c below and then proceeding to step 5:
0
r
a. I f X - N, random, 0 r sequenti al (FWD, REV or FWD/REV)
seek is desired, set ACCESS SELECT switch to that posi tion and proceed to step 4.
b. If di rect seek is des ired,
of Direct S.,eek procedure.
perform steps 3 through 6
c. If direct continuous seek is desired, perform steps 3
through 13 of Direct Can tinuous Seek procedure.
5.
Set HEAD switch to desired position (see Head Selection
procedure.
If swi tch is set to MANUAL Position,' perform
a and b. Otherwise, proceed to step 6.
a. Rotate DATA ENl'RY swi tch to HEAD posi tion.'
b. Enter desired head number
key.
• 2- 6 2
(in decimal)
and press LOAD
83323 37 0 E
6.
Rotate RD/WRT SELECT switch Read position.
7.
Set RECORD switch to desired position .. ·· If switch is set
to MANUAL posi tion, perform a and b. Otherwise, proceed
to step 8.
a. Set DATA ENTRY switch to RECORD position.
b. Enter desired head number
key.
(in decimal)
and press LOAD
8.
Set +/- switch to desired position.
9.
Set EARLY/LATE switch to OFF (center position).
10. Set AM/SECTOR switch to desired position.
11. Set ERROR OVERRIDE
sired positions.
swi tches
(DATA/OFF,
ADDR/OFF)
to
de-
12. Rotate DATA ENTRY switch to DATA PATTERN position and enter desired data pattern as follows:
a. Enter 16 bit data pattern
decimal characters).
(consisting
of
four
hexa-
b. Press LOAD key.
CAUTION
Return WRITE PROT/OFF toggle swi tch to WRITE
PROT position after desired read operation is
completed.
Failure to return switch to protect position could cause an accidential loss
of customer data.
13. Set WRITE PROT/OFF switch to OFF.
NOTE
Per.form
highest
14 and
(track
trolled
step 14 to read on C. E. (innermost,
number) cylinder only.
Perform steps
15 to read all tracts except 256~
256 is locked out when drive is conby the FTU).
14. Allow reading only on C.E. (innermost,
cylinder by proceeding as follows:
83323370 F
highest
number)
2-63
a. Rotate DATA- ENTRY switch to B position."
b. Enter 5754 via
keyb~ard.
c. Press LOAD key.
15. Allow reading en all cylinders (except 256)
as follows:
by proceeding
a. Rotate DATA ENTRY switch to E position.
b. Press DISP key.
c. Press BIT key.
d. Press 1 key.
e. Press LOAD key.
16. Press GO key. FTU is now commanding drive to perform desired read operation.
1/0 LINE CHECK
FTU commands dri ve to seek cylinders that are numbered
powers of 2 only (l,i,4,8,l6, etc.) to check I/O lines.
Power
Up
Initialization
procedure
and
by
1.
Perform
dri ve •
select
2.
Rotate DATA ENTRY switch to SEEK INCREMENT position.
3.
Enter number 8000 and press LOAD key.
4.
Rotate RD/WRT SELECT switch to ACCESS ONLY position.
5.
Rotate ACCESS SELECT swi tch to SEQ REVERSE posi tion.
6.
Press GO key.
7.
Ensure that the cylinder address is being sequenced by
observing row 1 LEDs, after positioning switches as follows:
a. Rotate DATA/ENrRY switch to STAT-US BYTES position.
b. Pres s 1 ke y •
2-64
83323370 E
ACCESS TIME CHECK
-
The FTU automatically calculates the time that the dri ve requires to perform a seek operation.
The operator can use
ei ther of two methods, EOT (End of test) stop or manual stol?,
to obtain this time. Using the EDT stop method, the FTU indl.cates the access when the drive takes to complete the entire
test (10 000 seeks for random, direct continuous, or sequential
and 1 cycl e for X - N).
Using the· manual stop method the FTU
indicates the access time for any number of seeks.
The FTU uses a crystal osci llator to gene rate the time base for
the access time check.
Due to tolerances and differences between crystals, the access time indicated by the FTU may vary
slightly f rom the actual time.
Therefore, when the FTU is
first used and periodically thereafter (due to changes in crystal characteristics) the access time should be checked.
This
is done by checking it against a known time standard am noting
the percentage of deviation.
The following procedures explain both methods of calculating
access time and also describe a method for verifying that the
FTU is calculating the time correctly.
EOT Stop Access Time Check
1.
Set S INGLE/CONT swi tch to CONT ard Ear STOP /OFF swi tch to
EOT STOP.
2.
Command desired seek operation.
3.
Rotate DATA ENTRY swi tch to STATUS BYTES posi ti on,
A key, and read access time from ROW 1 LEOs.
press
Manual Stop Access Time Check
1.
Set S INGLE/CONT and EOT STOP JOFF swi tches
si tions.
2.
Commarrl desired seek function.
3.
Rotate ACCESS SELEcr switch to C posi tion •
4.
Press GO key.
5.
Rotate DATA ENl'RY switch to STATJJS BYTES position, press
A key, and read access time f rom ROW' 1 LEOs.
83323370 E
to des ired po-
2-65 •
FTU Access Time Verification
1.
Connect oscilloscope to observe on-cylinder signal at
drive. Note that the on-cylinder signal referred to here
remains active all during the time the drive is on cylinder.
Do not confuse it with the on cylinder pULses,
which are acti ve only for a short time after the dri ve
reaches, on cylirrler.
2.
Commarrl dri ve to perform di rect seek by performing steps
1 through 8 of Direct Seek/Access Only procedure.
Observe arrl note how long the on-cylinder s ignal rema~ns
inactive (on-cylinder goes inactive when the seek begl.ns
and active again when the seek ends) •
3.
Rotate ACCESS SELECI' switch to position C.
4•
Rotate DATA ENrRY swi tch to STAT.DS_ .BYTES posi tion, press
GO key, and read access time f rom ROW 1 LEDs.
5.
Calculate percentage of deviation between values obtained
in steps 2 and 4 by using the following formula.
% of Deviation
=
Oscilloscope Value - FTU Value X 100
FTU Value
Example: Assume oscilloscope value (from step 2 is 100 mV
a'nd FTU value (from step 4 is 125 mV.
% of Devi ation
=
100 -
125 X 100
=
-20%
125
6.
Wr i te value from step 5 on piece of tape and attach tape
to upper right hand corner of FTU front panel.
During
subsequent access time checks, use pe rcentage of d evi ation to cal cuI ate actual access time.
FLAGGING A BAD TRACK
with the ERROR OVERRIDE swi tches down any read test in progress, the FTU will stop exercising the drive in the event of a
data or address error.
Before flagging the track on which the
er ror occur red, first WRITE and then READ the track several
times to ensure that the error was not a random one.
1.
Program tester to command operations on bad track.
a. Place DATA ENTRY swi tch in STAT-US BYTES posl tion,
press the 1 key and ·observe cylirrler address of bad
track in hexadecimal form on row 1 LEDs.
• 2-66
83323370 E
b. Press nISP key to move cylinder address to row 2 LEDs.
c. Place
d. Press
BCD.
D~A
ENTRY switch in DESTINATION position.
DEC key
to convert bottom display from hex
to
e. Press LOAD key.
2.
Program tester to command operations at bad head address.
a. Place DATA ENTRY switch in STATUS BYTES position,
press the 2 key and observe head address of bad track
in hexadecimal form on row 1 LEDs.
b. Press DISP key to move head address to row 2 LEDs.
c. Place DATA ENTRY switch in HEAD position.
d. Press DEC key to convert row 2 LEDs from hex to BCD.
e. Pres s LOAD key.
3.
Place HEAD toggle switch in MAN position.
4.
Set RECDRD switch to SEQ position (to flag one sector only, set RECORD swi tch to MANUAL), set DATA ENTRY swi tch
to REOJRD position and enter record number to be flagged.
5.
Place ACCESS SELEcr swi tch in DIREcr SEEK pas i tion •
NOTE
The logical record number is oot the s arne as
the sector number (see table 2-7) •
6.
Place RE/WRT SELEcr switch in .WRI'/RD and S.INGLE/CONT toggle swi tch in SINGLE pos i tion.
7.
Press GO key and note whether ADDR ERR or DATA ERR LEDs
light.
Repeat this step several time.
If either LED
lights consistently, the track is bad.
Flag bad track by
performing steps 8, 9, and 10.
Otherwise, skip to step
11.
8.
Place WRITE FLAG toggle switch in up position.
9.
Place RD/WRT SELEcr switch in WRT FORMAT position.
10. Press 00 key.
83323370 E
2-67 •
NOTE
When any operation other thaon formatting is
being done and WRITE FLAG toggle switch. is in
up position,' the FTU will stop when _a write
flag is detected.
11. Place WRITE FLAG toggle switch in OFF position.
12. Press RTZ and CLR keys.
13. Return to WRT/RD procedure
covering bad track.
in
progress
prior
to
dis-
RELEASING PROCESSOR FROM LOOP.
It is possible for the processor to get hung up in a loop if it
is given an illegal command. This is evidenced by the keyboard
STOP, GO, CLR, and RTZ keys having no effect on the condition
of the UNIT RUN LED.
In this situation, the operator has two
options.
One option is ini tializing the FTU again by reentering all the previously entered parameters.
However, a more
convenient option is the following:
1.
Place PROCESSOR RUN/HALT switch in HALT position.
2.
Press STOP key.
3.
Place PROCESSOR RUN/HALT switch in RUN positi"on.
4.
Press GO key.
The FTU will continue
funciton occurred.
in the test at the point where the mal-
HEAD ALIGNMENT
General
This section is intended to be used in conjuction with the head
alignmen t procedure in. the manual for the dr i ve being tested.
The manual for the drive being tested outlines the speci fic
procedure and specifications for head alignment.
The information given here relates to operation of the FTU and interpretation of the displays of head offset on the FTU.
'. 2-68
83323370 E
FlU PreparationPerform the following steps to prepare the FTU for head alignment.
1.
Perform Power Up Intialization procedure.
2.
Perform Drive Selection procedure.
3•
Connect·
on head
and the
panel.
4.
Connect Head Alignment Cable per alignment procedures in
applicable drive manual.
5.
Set XI/X.l switch, on head alignment board to Xl position
and leave swi tch in Xl pos i tion desregarding dr i ve manual
instructions.
test leads (see figure 2-3) between + and - jacks
alignment card, that is installed in the drive,
+ and - HEAD ALIGNMENT jacks on the FTU f ron t
(observe polarity).
NOTE
Select heads as described in steps 6 and 7 only when di rec ted to do so in appl i c abl e dr i ve
manual Head Alignment procedure.
6.
Select first
follows:
head
to be aligned
by setting
switches
as
a. Rotate RD/WRT SELECT switch to ALIGNMENT position.
b. Rotate DATA ENTRY switch to HEAD position.
c. Set HEAD toggle switch to MAN position.
d. Enter the head number of the head being aligned.
e. Press LOAD key.
f. Select type of of fset display (Bi t: GO) (HEX: GO) or
(DEC: GO) and proceed with head alignment as directed
in dr i ve manual.
7.
Select next head
follows:
to be aligned by positioning switches as
a. Press STOP and CLR keys.
b. Perform steps d, e, and f above.
83323370 E
2-69 •
Offset Displays
Three ,different LED displays of head
sible.
All three displays in table
These LEDs are labelled O-F just as
For all three display modes, if LED F'
is negative.
offset vol tage are pos2-10, use row 2 LED's.
on the FTU front panel.
is lit then the read out
For example to obtain the head offset in HEX, push HEX key am
then the GO key. This will set up a display pattern such that
LEDS 0-3 indicates the offset value (mV) multiplied by 16 0 .
LEDs 4-7 indicates the offset value (mV) multiplied by 16 1 •
LEDS 8-A indicates the offset value (mV) multiplied by 16 2 •
LEDS B-E not used.
LEDS F indicates minus sign.
Thus, if the following LEDs are lit:
• 0 0 0
F
C
000 •
B
8
o
00. 0
7
4
The offset read is -12516 mV
3
=
.0.
0
-293 mV
(or, from table 2-4, HEX mode,
LED
8
+5
+2
+0
(mV)
=
=
=
=
+ 256
+ 32
+
4
+ -1
293 mV
and LED F indicates that this result is negative)
'Similarly, to obtain an offset readout in BCD, push the DEC key
and then the GO key.
• 2-70
83323370 E
The display pattern for this mode is:
LEDS 0-3 indicates the offset value (mV) multiplied by 10°.
LEOs 4-7 indicates the offset value (rnV) -multiplied by 10 1 .,
LEOS 8-B indicates the offset value (rnV) multiplied by 10 2 •
LEOS C is the offset value (in mV) multiplied by 10 3 •
LEOS O-E not used.
LEOS F indicates minus sign.
Thus, if the following LEDs are lit:
a a a a
a
• 0 0
a
F
B
8
7
C
••a •a a •
4
3
0
The offset 'read is + 469 10 mV = +469 mV
, (or, from table 2-4, DEC mode,
LED
A
+6
+5
+3
+0
(mV)
=
=
=
=
=
+ 400
+ 40
+
+
+
20
8
1
469 mV
Push ing the BIT key and then the GO key sets up a third type of
display.
Each of the nine LEDs on the right side of the display (0 throug h 8) repre sen ts an incremen t of 10 mV.
Each of
the next five LEDs (9 through D) represents an increment of 100
mV.
If the offset is 600 mV or more, LED E is lighted.
For
example, if LEDs F, A, and 5 are lit, the head offset is -260
mV.
83323370 E
2-71 •
TABLE 2-9.
LED
Desig~ation
HEAD ALIGNMENT DISPLAYS
Representation (In mV)
HEX Mode
DEC ModeBIT Mode
0
1
1
10
1
2
2
20
2
4
4
30
3
8
8
40
4
16
10
50
5
32
20
60
6
64
40
70
7
128
80
80
8
256
100
90
9
512
200
100
A
1024
400
200
B
Not Used
800
300
C
Not Used
1000
400
D
Not Used
Not Used
500
E
Not Used
Not Used
F
- Sign
- Sign
600 And Above
- Sign
STATUS BYTE$
General
Sixteen status bytes are available to the operator of the FTU.
They are numbered from hexadecimal 0 to hexadecimal F. To call
up a particular status byte, place the DATA ENTRY switch in
• 2--72
83323370 E
STATUS BYTES position and press the corresponding key on the
keyboard.
The number of the chosen status byte appears on the
r ighthand 4 LEOs on row 2.
The status byte appears on row 1
LEOs.
For each of the
16 status bytes, table 2-10 gi ves the
value assigned to each LED.
Tag-Bus I/O (0)
This status byte displays tag and bus signals as they are sent
from the FTU to the d ri ve.
Cylinder (1)
This status byte displays the cylinder on \'1hich the drive is
operating.
The binary value assigned to each LED is given in
table 2-10.
Head (2)
This status byte displays the head with which the drive is
reading or writing in hexadecimal.
For example, for head 17,
LEOs 4 and 0 are lighted.
Record (3)
This status byte displays the record on which the drive is performing a read/write operation.
The display pattern is identical to the Head display.
This is readily visible only in
manual or random record (see description of RECORD toggle
switch in table 2-2).
Sector (4)
When the drive has been selected, this status byte indicates
the total number of sectors being used by the drive.
During
read/write operations, the sector on which the drive is reading
or writing is indicated. This is readily visible only in manual or random record.
Pattern (S)
This status byte displays the 16-bit data pattern that has been
entered in FTU memory and is repeated in the data field written
by the drive.
83323370 E
2-73 •
Address -Error Counter (6) -.
This
rors
ADDR
drive
status byte displays a -count of the numb~r of ~ddress eroccurring during an extended read operation.
Unless - the
ERROR OVERRIDE toggle switch is in the up position, the
will stop reading when an address error occurs.
Data Error Counter (7)
This status byte displays a count of the number of records that
contain data errors.
Unless the DATA ERROR OVERRIDE toggle
switch is in the up position, the drive will stop reading when
a data error occurs.
Flag/Pass Counters (8)
Display bits a through 7 indicate how many passes the drive has
made through the disk pack in an extended seek operation.
Display bits 8 through F indicate the number of flagged tracks detected in a read operation.
Seek Counter (9)
This status byte displays a count of number of seeks performed
in a multiple seek operation.
Average Access Time (A)
This status byte displays the average access time for a series
of seeks. The display is binary-coded decimal where each group
of four LEDs represents a decimal digit. The least significant
digit is in tenths of milliseconds.
Access Time Counter (8 and C)
These two displays indicated
a series of seeks.
This is
lower order 16 bits compose
order 16 bits compose the B
tenths of milliseconds.
the total access time required for
a binary representation where the
the C status byte, and the higher
status byte.
The readout is in
Cylinder Destination 1 (D)
When the drlve is performing a continuous seek between two cylinders, this status byte indicates the address of the first
cylinder.
• 2-74
83323370 E
Cylinder Destination 2· (E)
When the drive is perfoi~ing a continuous seek between two cylinders, this status· byte indicates the address of the second
cylinder.
MUX Status (F)
This display indicates the faul t status signals sent back from
a drive that has a multiplexed interface.
The status condition
indicated by each LED is given in table 2-10. LEOs 2 and 6 are
not used.
83323370 E
2-75 •
-
TABLE 2-10.
~
--,
: ..... -
-- ~.
STATUS BYTES
r---:-'
Status Byte Number/Name
r--'
0
1
Tag-Bus I/O
Cyl inder
R/W
F
First
Enabled
2
Fixed
Volume
Access
D
E
T
4
16384
I
0
A
2
8192
S
C
G
1
4096
p
B
L·
A
1024
1024
A
9
512
512
Y
8
256
256
Hold Tag
3
Head
Record
Enabled
(CMD)
Not Used
Not Used
2048
Not Used
Not Used
7
B
128
128
128
128
6
U
64
64
64
64
B
5
S
32
32
32
32
I
4
16
16
16
16
T
3
8
8
8
8
4
4
4
4
1
2
2
2
2
0
1
1
1
1
I
/
S
2
0
-Table Continued on Next Page
--
• 2-76
83323370 E
(
\
TABLE 2-11.
STAT.US BYTES (Contd)
Status Byte Number/Name
4
5
Sector
Not Used
6
Pattern
32768
Addr Error
Ctr
7
Data Error
Ctr
D
F
I
E
16384
16384
S
D
8192
8192
P
C
4096
4096
L
B
2048
2048
A
A
1024
1024
y
9
512
512
8
Not Used
256
Not Used
Not Used
32768
256
7
128
128
128
128
B
6
64
64
64
64
I
5
32
32
32
32
T
4
16
16
16
16
S
3
8
8
8
8
2
4
4
4
4
1
2
2
2
2
0
1
1
1
1
Table Continued on Next Page
83323370 E
2~77
•
TABLE 2-11.
STATUS BYTES (Contd)
r-"
Status Byte Number/Name
8
Flag/Pass
Counters
D
F
I
E
F
L
A
9
Seek
Counter
B
Average
Access Time
Access Time
Cts (O.lMS)
128
32768
800 MS
2 147 483 648
64
16384
400 MS
1 073 741 824
32
8192
200 MS
536 870 912
16
4096
100 MS
268 435 456
8
2048
80 MS
134 217 728
4
.1024
40 MS
67 108 864
2
512
20 MS
33 554 432
1
256
10 MS
16 777 216
128
128
8 MS
8 388 608
64
64
4 MS
4 194 304
32
32
2 MS
2 097 152
16
16
1 MS
1 048 576
8
8
0.8 MS
524 288
4
4
0.4 MS
262 144
2
2
0.2 MS
131 072
1
1
0.1 MS
65 536
A
S
D
G
P
C
L
B
C
A
A
T
Y
9
R
8
7
P
B
6
A
I
5
T
S
4
S
S
3
C
2
T
1
R
0
Table Continued on Next Page
• 2-78
83323370 E
TABLE 2-11.
STATUS BYTES (Contd)
STATUS BYTE NUMBER/NAME
C
D
Access Time
Ctr (O.lMS)
Cylinder
Destination
E
F
Cylinder
Destination
Mux
Status
D
F
.32768
32768
32768
No Head Se1
I
E
16384
16384
16384
Wrt Fault
S
D
8192
8192
8192
W+R Off Cy1
P
C
4096
4096
4096
W/R Fault
L
B
2048
2048
2048
Voltage Fault
A
A
1024
1024
1024
HD SEL Fault
y
9
512
512
512
Seek Error
8
256
256
256
WRT Protect
7
128
128
128
B
6
64
64
64
I
5
32
32
32
On Cy1
T
4
16
16
16
unit·Rdy
S
3
8
8
8
2
4
4
4
1
2
2
2
Offset Active
0
1
1
1
Chk Diag.
--.
83323370 E
2-79 •
c·
('
SECTION 3
THEORY OF OPERATION
3
THEORY OF OPERATION
INTRODUCTION
The TB216 is a microprocessor-controlled tester containing a
6800 series microprocessor and related support chips.
The
microprocessor operates under control of firmware loaded into
FTU memory during manufacture.
The main elements in the FTU are a power supply, four cards in
the logic chassis, and three circuit boards on the front
panel.
The microprocessor system is located on the logic
cards. The front panel circuit boards contain switches and indicators that are used by the operator to control and moni tor
FTU and drive operation.
Figure 3-1 is a block diagram of the FTU showing the circuit
cards and their principal logic elements.
This figure also
shows the data bus, address bus, and various control lines connecting these elements.
The logic elements appear ing in the
figur~ are described in table 3-1.
The following text describes the purpose of each circuit card and its relationship
to the system.
MICROPROCESSOR CARD
The microprocessor card performs the processing and memory
functions of the FTU.
The microprocessor chip on this card
makes computations and controls data transfer to and from the
other system elements as directed by the microprogram.
The
microprocessor is responsive to changes in the front panel
switch settings (operator instructions) and signal appearing on
the dr i ve I/O.
The microprocessor sends commands to the. I/O
control,
read/write control,
and control panel
interface.
These determine what is communicated on the interface to the
disk drive and what is displayed on the fron panel.
~/O
CONTROL CARD
The I/O control
·with the drive.
I/O
83323370 C
card contains circui try to interface the FTU
Commands f rom the microprocessor prepar e the
3-1
control for communications between the FTU and the drive.
Responding to the device type code entered by the operator into
FTU memory, ensures that the proper interface is used in routing these communications on the I/O lines.
Signals transmi tted to the drive include commands and wr ite
data.
The I/O control follows microprocessor instructions to
generate the command signals.
It also routes write data (format and data. pattern) from the read/wri te control card to the
drive I/O lines.
Signals received from the drive include status information and
read data.
The I/O control indicates the dr ive status to the'
microprocessor and routes read data to the read/wr i te control
card.
.
READ/WRITE CONTROL CARD
The read/write control card processes read/write data by prepar ing it to be wr i tten and interpreting it as it is read.
During a write operation, it enters into its memory formatting
data followed by repetitions of the data pattern entered by the
operator on the FTU keyboard.
This data is sent to the drive
via the I/O control card when the heads are at the proper point
over the disk pack.
The FTU determines the proper point by
using the Index and Sector signals it receives from the drive.
During the read operation, the data read by the drive is routed
by the I/O control card to the read/write control card for compar ision wi th the data stored in its memory.
This compar ison
indicates
data
and
address
errors
that
occurred
in
the
write/read operation.
An additional function of this card is.conversion of the analog
head alignment offset into digital form for LED display of head
offset.
CONTROL PANEL INTERFACE CARD
The control panel interface card has two basic functions.
First, it translates control panel switch settings into instructions for the microprocessor.
Second, it responds to specif ic signal combinations on the microprocessor system busses
by lighting appropriate LEDs on the front panel.
LED DISPLAY BOARD
The LED display board provides a number of indications to the
operator. These include keyboard entries, FTU status bytes,
3-2
83323370 C
self' test status, and head alignme-nt offset.
For more .information about these, refer to the controls and indicators table
in the operation section.
CONTROL PANEL BOARD
The control panel board contains the swi tches used to control
operation of the FTU.
For more information about these, refer
to the controls and indicators table in the operation section.
TEST POINT BOARD
The test. point board allows the operator to connect an oscilloscope to various drive I/O lines. The test point terminals are
defined in the operation section under Test Points and Jacks.
POWER SUPPLY
The power supply, located in the FTU case, produces the regulated voltages (±S V dc) used by the FTU circuitry.
By changing connections and jumpers on the primary of the power transformer (TI) , the operator can use the FTU wi th a variety of
line voltages (refer to Operating Voltage Selection in the operation section).
83323370 C
3-3
I...----I~v
TRANSMITTERS
RECEIVERS
(202.206,
207. 208)
~
~
I/O SIGNALS
TO/FROM DRIVE
A
~
'-ZEV TEST (A3)
IPOIr-.NTS
C5
'---------1~
... '"
1...-_ _ _ _- - - ; ~ I------.~ /
o
a::
I
TEST
POINTS
V
r-?
I
I
I
(602)
-------1
I
~)
CONTROL LINES
PIA
~
/
I "J
V
~.----.
·:II: 6
IE--
(303)
I
RO/WRT
CIRCUITS
(305-311)
I
"t "'~L......L.~ CO,ef~TER
~
PIA:II: 5
(302)
~~E§£[IT[i~~_
..
i~
~
~
DRESS BUS AO ·A15
_JJX RD/WRT CONTROL
(A2A/B03)
PIA ENABLES
L ___ _
~
·~
:
I
CIRCUITS
(3~2)
II
I
I
I
-
-
-
-
-
-
'"iEAD
ALIGNMENT
SERVO DATA
DATA
, FROM DRIVE
PROCESSING
CIRCUITS
(951-954)
~I
I
I
I
I
I
I
I
l=.ZPV HD ALiGNMEN~ ~
NOTES:
I. NUMBERS IN PARENTHESIS ARE
REF NUMBERS OF DIAGRAMS
WHERE LOGIC IS FOUND.
9H329-2
Figure 3-1.
3-4
Functional Block Diagram (Sheet 1 of 2)
83323370 C
.pjy CONTROLPANEL(A5)
T_JKXCONTROL PANEL INTERFACE(A2BOi)
I
I
I
I
I
I
L ______ _ _ .J
-ZFV LED DISPLAY
I
I (A4)
I
I
I
CONTROL
PANEL
SWITCH
MATRIX
(702,703)
~
I
I
CONTROL LINES
I
I
I
I
DRIVE
BUFFERS
(105, 106
107,108)
LED
DISPLAY
(502,503)
I
--,
~ ..•~ ;
CONTROL PANEL
ENA8LE
(\J
_JGX MICRO PR6CESSOR(A2A/B04-) -
~
I
I
---1
.. ADDRESS BUS AO-AI5
ADDRESS
BUFFERS
(405)
cc~nROL
LINE
BuFFERS
(405,409)
~
~~---------~~~ ~----~
CONTROL LINES
0,------------.,
<
Vl
:J
c::
CONTROL PANEL
ENA3LE
L
PIA ENABLES
-
-
T:"JGV ±5VPOWER - 1 - - I SUPPLY (A I)
I
+5 V
AC PWR INPUT
-5 V
L
Figure 3-1.
83323370 E
I
I
9H329-IA
Functional Block Diagram (Sheet 2 of 2)
3-5
'TABLE 3~i.
Circuit Element
FTU CIRCUIT ELEMENTS
Function
----.-------------------~----------------------~---------------------------~
Microprocessor
A single chip containing ar i thmetic and
logic elements that control 'operation
of the FTU.
The processor operates under control of firmware stored in the
read only memory (ROM).
RAM
Random
access
memory
for
storage of data used during
cessor operation.
ROM
Programmable read only memory chip containing firmware that directs the activities of the microprocessor chip.
This chip is programmed during manufacture.
Timers
Con trol and measure timing
and read/write operations.
Data and Address
Buffers
Extend the fan-out capability of the
microprocessor chip.
PIAs
Peripheral interface adapters allowing
the microprocessor chip to interface
with external circuitry such as control
panel switches of drive I/O.
Address Decoder
Enables particular devices (RAM, ROM,
timers, PIAs) depending on the address
present on the address bus.
Addressable Latches
Register
Recognizes microprocessor command to
light a particular front panel LED and
then energizes the LED driver for that
LED.
3-6
temporary
micropro-
dur ing
seek
83323370 C
··1
SECTION 4
MAINTENANCE
I"
4
MAINTENANCE
INTRODUCTION
This section contains procedures to check and adjust power supply voltages, information for handling electrostatic sensi tive
devices, tests to maintain the FTU, and a list of required
maintenance tools in table 4-1.
POWER SU.PPLY VOLTAGE CHECK AND ADJUSTMENTS
The FTU power supply voltages must be checked per table 4-2 and
adjusted if necessary when any of the following problems are
eviderit:
•
FTU operation becomes unreliable
itialize) •
(processor will not in-
•
FTU operating voltage (input power) has been modified.
•
Power supply board assembly -ZJV has been replaced.
Adjust power supply as follows:
1.
Raise FTU front panel assembly and secure into place.
2.
Install 30 pack extender
A2AOl) .
3.
Ensure that all
chassis assembly.
4.
Apply power to FTU:
logic
into spare logic slot
cards
are
installed
(location
into
logic
CAUTION
To prevent possible damage to equipment, always use a nonmetallic screwdriver when making
any voltage adjustments.
83323370 C
4-1
TABLE 4-1 •.: MAINTENANCE TOOLS
Des'cr iption
CDC
Part Number
Description
CDC
Part Number
Chip Extender
(Chipclip)
CDC*122l2l96
Wire Wrap
Bit, 30 Gage.
Extender Board,
30 Pack
CDC 75845700
Wire Wrap Gun, CDC 12259111
Electr ic
Extender Board,
60 Pack
CDC 75845300
Wire Wrap Removal Tool
20-30 Gage
Oscilloscope,
Dual Trace
Tektronix 454
or equivalent
Volt/ohmmeter,
Digital
Fluke 8000A
or equivalent
Wire Wrap
Sleeve, 30
Gage
CDC 12218402
CDC 12259183
CDC 12218403
*CDC is a registered trademark of Control Data Gorporation.
4-2
83323370 C
5.
Using digi tal
table 4-2-.
meter,
6.
Adjust any out of tolerance voltages through access holes
marked -5 and +5 VOLTAGE ADJ, in power supply board assembly cover.
TABLE 4-2.
measure
power
supply
vol tages
per
VOLTAGE ADJUSTMENTS
VOLTAGE
EXTENDER PIN NO.
ADJUSTMENT CONDITIONS
+5 V
-5 V
GND
04A/B
02A/B
06A/B
+5.0 ± 0.05 V
-5.0 ± o .05 V
PROCESSOR TEST
1.
Set Circuit Breaker CBI, on power supply, to ON position
and ensure that +5 V and -5 V LEDs are lighted.
2.
Set PROCESSOR switches as follows:
SWITCH
PROCESSOR START/RESET
, POSITION
START
RUN
PROCESSOR RUN/HALT
3.
Ensure that
PROT, ROY,
these LEDs
function is
+5, -5, RUN, BUSY, FLT, SEEK, ERR, SELD, WT
and ON CYL LEDs ar e not Ii gh ted.
I f any of
are lighted, a probable microprocessor malindicated.
PHASE 2 CLOCK TEST
1.
Using 30 pack extender, extend component assembly JKX.
2.
set PROCESSOR, START/RESET switch to START position.
3.
Set PROCESSOR RUN/HALT switch to RUN position.
4.
Prepare ocilloscope and
shown on figure 4-1.
83323370 C
check
Phase
2 Clock
Timing
as
4-3 _"
O. 5
II S---
--- ±20 ns
-
-
-fP--
ov
---
r--
.....
r--
.
~I.O llS
±40 ns
'""-
--
-
r--
.
-
r--
..
.
-'---'-
-----
OSCILLOSCOPE SETUP
INPUT:
CHANNEL
VOLTS/DIV
CONNECTION
CH I
0.2 V
AOI-07B
CH 2
NOT USED
SIGNAL NAME
CLOCK 2 TIMING
TRIGGERING:
SLOPE/SOURCE
CONNECTION
INTERNAL
POSITIVE
NOT USED
SIGNAL NAME
NOT USED
SCOPE GND TO GND ON LOGIC CARD.
USE XIO PROBES UNLESS OTHERWISE NOTED.
TIME/DIV:
IllS
MODE:
NOT USED
NOTES:
9H348
Figure 4-1.
4-4
Phase 2·C1ock Timing
. 8332·3370 ~ C
LAMP TEST
1.
Rotate ACCESS SELECT switch to LAMP TEST position.
2.
Press GO key.
3.
Ensure that LEDs, on FTU front panel, flash and continue
to flash until STOP key. is pressed.
Failure of LEDS to
light indicates a probable failure of:
•
LEDs
•
Decoder LED drivers
•
Data bus buffer
•
PIA 1
SELF TEST
This test includes both a component check and switch test.
The
component check must be completed satisfactorily prior to performing the switch test to ensure the reliability of switch
test res ul ts.
83323370 C
4-5
1.
Rotate ACCESS SELECT switch .to SELF TEST position.
2.
Set ERROR OVERRIDE
position.
3.
Rotate DATA ENTRY switch to DEVICE TYPE position.
4.
Rotate RD/WRT SELECT switch. to WRITE FORMAT position.
5.
Set the following switches:
swi tch
SWITCH DESCRIPTION
HEAD
RECORD
SINGLE/CONT
-/+ OFFSET
EARLY/LATE
WRT FLAG
WRT PROT
AM/SECTOR
EOT STOP
SHIFT PATT
SEQ PWR
DATA/OFF
and ADDR/OFF
to OFF
POSITION
SEQ
SEQ
CONT
CENTER (OFF)
CENTER (OFF)
OFF
OFF
SECTOR
OFF
DATA PATT
DON'T CARE
6.
Press GO key, initiating component check.
7.
Interpret component check results as follows:
a. If LEDs RUN, +5, -5, RD, and 29 and 211 in row 2
LEOs are all lighted, FTU is operating properly, proceed to step 11 and perform switch test.
b. If any LEOs, in step a, do not light the FTU has detected an error and is displaying the address of the
error causing component in row 2 LEDs (see table 4-3).
NOTE
Per form a repeat test or stop on error for
troubleshooting purposes by performing steps 8
through 10.
8.
Set EOT STOP/OFF and ERROR OVERRIDES swi tches
operation in a or b.
to desired
a. Repeat test once and stop on error by setting EOT
STOP/OFF and ERROR OVERRIDE switches to OFF position.
b. Repeat test continuously and stop on
positioning switches as follows: .
I
4-6
error
only,
by
83323370 F
TABLE 4-3.
ERROR ADDRESS
Address Of
Error*'
Type
Location Of Error
Circu1t
Location
Type**
Location
0000-007F
CJGX
A2A/B04
585
3841
MPU
0088-8B
AJKX
A2A/BOl
586
0741
PlA#l
008C-8F
AJHX
A2A/B02
586
4442
PlA#2
0090- 93
AJHX
A2A/B02
586
5242
PlA#3
0094-97
AJHX
A2A/B02
586
5842
PlAi4
0098-9B
. BJJX
A2A/B03
586
0429
PlA#5
009C-9F
BJJX
A2A/B03
586
1329
PlAi6
00AO-A7
'CJGX
A2A/B04
587
0446
TlMER#l
00A8-AF
CJGX
A2A/B04
587
1246
TlMER#l
00BO-B7
, CJGX
A2A/B04
587
1946
TlMER#3
00B8-BF
CJGX
A2A/B04
587
2746
TlMER#4
1000-13FF
CJGX
A2A/B04
2114L-2
0409
Card
Function
RAM
(Bits 0-3)
2114L-2
2609
RAM
(Bits 4-7)
3000-37FF
CJGX
A2A/B04
5905
2731
ROM
3800-3FFF
. CJGX
A2A/B04
5904
0431
ROM
*
Displayed in row 2 LEDs.
Data written is in Row 1, High
Order; Data Read or Check Sum is in Row 1, Low Order.
** This refers to CDC element number as shown on the logic diagrams see Normandale Circuits Manual (Publication Number
83322440) for more information.
83323370 F
4-7
9.
•
set ERROR OVERRIDES switch to OFF position.
•
set EOT STOP/OFF switch to EOT STOP position.
Set PROCESSOR START/RESET switch to RESET
to START position.
10. Press GO key.
FTU is now repeating
and
then back
test~
11. Prepare FTU for switch test as follows:
a. Set all
4-4.
swi tches
to ini tial posi tions
shown in Table
b. Observe that all LEOs are off.
TABLE 4-4.
SWITCH -TEST INITIAL SETUP
Switch
DATA ENTRY
RE/WRT SELECT
ACCESS SELECT
HEAD/MAN, SEQ, RAN
RECORD/MAN, SEQ, RAN
PROCESSOR, START/RESET
PROCESSOR, RUN/HALT
PROCESSOR, STEP
SINGLE/CONT
-/+ (offset)
LATE/EARLY (strobe)
WRITE FLAG/OFF
WRITE PROT/OFF
AM/SECTOR
EOT STOP/OFF
ERROR OVERRIDES, DATA/OFF
ERROR OVERRIDES, ADDR/OFF
SHIFT PATT/DATA PATT
SEQ PWR/OFF
4-8
Initial position
DEVICE TYPE
WRITE FORMAT
SELF TEST
SEQ
SEQ
START
RUN
down
CONT
center
center
OFF
OFF
SECTOR
OFF
OFF
OFF
DATA PATT
OFF
83323370 C
12. Perform switch test as follows:
a. Set switch to be tested to desired test position.
b. Refer to figure 4-2 and ensure proper LEDs are lighted.
c. Return switch to its initial position (see table 4-4).
d. Repeat a through c for each switch tested.
HANDLING ELECTROSTATIC SENSITIVE DEVICES
The FTU uses logic cards having metal-oxide semiconductor integrated circui ts.
These circui ts require special handling procedures to prevent damage from static electr ici ty.
The logic
card having metal-oxide semiconductor circui ts is at location
B03.
Listed below are some precautions that service personnel
must observe when handling these cards.
•
Never use an ohmmeter on the JBX microprocessor card assembly.
•
Always remove the microprocessor card from the drive, before using an ohmmeter on the drive.
•
Turn off power
cards.
•
Ensure that anything corning in contact wi th the card is
electr ically connected to ground.
This includes tools,
the body, clothing, containers, etc.
•
Touch the logic chassis to bleed off any accumulated
static charge before removing and installing the card,
and continue to touch the chassis while removing and installing the card.
•
Handle the card only at a non-circuit portion.
Connector
pins and circuit connection points must not be touched.
•
Make sure that the special protective container for the
card is in contact wi th the logic chassis ground before
and during the time the card is inserted into or removed
from the container.
The protective container must have
affixed to it a CDC Warning Label, Form AA5642.
•
Keep logic card in the approved container when not installed in the logic ·chassis or at a properly prepared
work station.
83323370 C
before
removing and
installing any logic
4-9
LED DISPLAY
Lt"
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ROW 2
215
214
213
212
211
210
29
28
27
6
2
25
24
23
22
21
20
DEVICE TYPE
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
UNIT NUMBER
-
-
-
2
-
-
-
-
-
2
-
-
-
-
- - -
-
-
-
2
2
-
-
-
-
-
-
-
RECORD
2
-
-
-
2
-
2
-
-
DATA PATTERN
-
2
2
-
-
-
FIXED HEADS
-
-
STATUS BYTES
-
2
2
2
-
-
-
-
-
HEAD
-
-
-
DESTINATION
-
SEEK INCREMENT
2
-
-
-
-
-
-
S
MPU ADDRESS
2
-
-
2
-
-
W
MPU DATA
2
-
-
-
-
B
2
-
2
I
2
2
-
-
T
C
2
2
-
-
C
D
2
2
-
-
-
-
H
E
2
2
E
F
2
WRT FORMAT
DATA ENTRY
S
!
-
-
-
-
-
-
-
-
2
-
-
-
2
-
-
2
2
2
-
-
-
-
X
X
X
X
X
X
WRT/RD FORMAT
-
-
-
WRITE
-
-
-
-
-
READ
-
-
-
-
WRT/RD
-
-
-
-
-
-
-
-
-
-
-
- -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
X
X
X
X
-
-
-
-
-
-
2
-
-
2
-
-
-
- -
2
2
-
-
-
-
-
-
-
-
2
-
-
-
-
-
-
-
2
-
-
-
-
-
-
-
-
2
2
2
-
-
-
-
-
-
-
-
-
-
RD/WRT SELECT
ALIGNMENT
ACCESS ONLY
-
-
NOTES:
~ X = INDICATES INITIAL POSITION OF SWITCH. RETURN EACH SWITCH TO ITS INITIAL POSITION BEFORE TESTING
NEXT SWITCH
1
2
= INDICATES LIGHTED ROW 1 LED
= INDICATES LIGHTED ROW 2 LED
9H350-1
Figure 4-2.
4-10
Switch Test Display (Sheet 1 of 5)
8-3323370,D
LEO DISPLAY
&
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ROW 2
215
214
213
212
211
210
29
28
27
26
25
24
23
22
21
20
7
-
-
-
-
-
- -
-
2
2
2
-
-
-
-
-
2
-
-
-
-
-
-
-
-
2
-
-
2
-
2
-
-
-
-
-
-
-
2
2
2
-
-
-
-
-
-
2
2
-
-
-
0
-
-
-
-
-
2
2
-
2
-
-
-
-
E
-
-
-
-
2
2
2
-
-
-
-
-
-
-
-
-
2
2
2
2
-
-
F
-
-
-
-
C
-
-
2
B
-
-
-
-
-
-
-
-
-
A
-
-
-
9
-
-
-
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2
-
- -
-
-
-
-
-
-
-
2
-
-
-
-
-
-
-
-
2
2
-
-
-
-
-
-
-
-
2
-
-
-
-
-
-
-
-
-
-
-
2
-
2
-
-
-
-
-
-
-
-
2
2
-
-
-
2
2
-
-
-
-
-
-
-
-
2
-
-
-
-
-
2
-
-
-
-
X
X
X
X
X
X
-
-
ACCESS SELECT
S
MANUAL TAGS
-
-
W
DIRECT SEEK
-
-
I
DIRECT CO NT
-
-
T
SEQ FORWARD
c
SEQ REVERSE
H
SEQ FWD/REV
-
E
RANDOM SEEK
-
S
X - N SEEK
FIXED VOLUME
-
-
LAMP TEST
-
-
-
-
-
SELF TEST
X
X
X
X
B
-
-
-
2
-
2
2
C
-
-
-
-
2
2
-
-
D
-
-
-
-
2
2
-
2
-
2
2
2
-
-
2
2
2
2
-
E
F
-
-
-
-
-
2
I
2
I
I
-.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
NOTES:
&
See Sheet 1
9H350-2
Figure
83323370 D
4-2~
S~itch
Test Display (Sheet 2 of 5)
LED DISPLAY.,&·
ROW 1
0
1
2
3
4
5
6
7
8
9
lO-
II
12
13
14
15
ROW 2
215
214
13
2
212
211
210
29
28
27
26
25
24
3
2
22
21
20
MAN
-
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
SEQ
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
RAN
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
-
MAN
-
-
-
-
-
-
-
1
-
-
-
-
-
-
-
-
SEQ
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
RAN
-
-
-
-
-
-
1
-
-
-
-
-
-
-
-
-
HEAD
.
RECORD
.
S
SINGLE/CONT
W
SINGLE
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
I
CONT
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
T
- / +
C
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
H
CENTER POSITION X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
E
+
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
-
-
-
- - -
-
-
-
CENTER POSITION X
X
X
X
X
'-
X
X
X
X
X
X
X
X
X
X
EARLY
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
S
LATE/EARLY
LATE
1
NOTES:
£see Sheet 1
9H350-3
Figure 4-2.
4-12
S~itch .. Test D~SP~~Y (Sheet 3 of 5)
LED DISPLAY ~
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ROW 2
215
214
213
212
21~
~O
29
28
27
26
25
24
23
22
21
20
WRITE FLAG
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
WRITE PROT
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X·
X
X
AM
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
SECTOR
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
EOT STOP
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
WRITE FLAG/OFF
WRITE PROT/OFF
I
I
AM/SECTOR
EOT STOP/OFF
S
W DATA/OFF
I
DATA ERROR
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
T
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
C
ADDR/OFF
H
AD DR ERROR
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
-
E
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SHIFT PATT
-
-
-
-
-
-
-
-
1
-
-
-
-
-
-
-
DATA PATT
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SEQ PWR
-
-
-
-
-
-
-
-
-
-
-
-
-
.;.
-
-
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
S
SHIFT PATTI
DATA PATT
SEQ PWR/OFF
NOTES:
£See Sheet 1
9H350-4
Figure 4-2.
83323370 D
Switch Test Display (Sheet 4 of 5)
4-13
LED DISPLAY
ROW 1
ROW 2
0
215
1
. 14
2
&
2
3
4
5
6
7
8
9
10
11
12
13
14
15
213
212
211
210
29
28
27
26
25
24
23
22
21
2°
-
-
2
-
-
-
-
-
2
-
-
-
-
-
2
-
2
-
-
-
2
-
-
2
2
-
2
-
2
-
-
2
-
2
-
2
-
-
2
-
2
2
-
2
-
2
2
2
-
-
-
2
2
-
-
-
-
-
-
-
2
-
-
2
-
-
2
2
2
-
-
-
-
-
-
2
2
-
2
2
KEYBOARD
0-9
A-F
]
INDICATES VALUE (IN BCD) OF KEY PRESSED.
IN 2°_.2 3 ROW 2 LEOS.
S
HEX
-
-
-
W
DISP
-
-
I
CLR ENT
-
-
T
LOAD
-
-
C
DEC
-
-
H
BIT
-
E
SEL DRV
CLR FLT
RTZ
-
-
-
S
-
-
-
CLR
-
-
GO
STOP
-
-
-
-
- -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
-
-
-
2
2
I
I
NOTES:
ill See Sheet'1
9H350-5
Figure 4-2.
4-14
Switch Test Display (Sheet 5 of 5)
83323370 D
!
/'
(
SECTION 5
DIAGRAMS
5
DIAGRAMS
INTRODUCTION
This section contains diagrams describing all electrical circui try and wiring found in the FTU.
It also contains information concerning the interpretation of the electr ical circui t
and wiring diagrams. This results in the diagrams set actually
containing three different types of diagrams;
(1)
key to
logic, (2) card logic diagrams, and (3) cabling diagrams.
The diagrams set begins with the key to logic diagrams.
These
sheets contain information concerning the interpretation on the
actual circuit diagrams.
The key to logic is divided into the
following sections:
assembly locator, cable and backpanel locations, intersheet referencing, card coord inates, logic levels, abbreviations, and integrated circuit descriptions.
The card logic diagrams follow the key to logic and constitute
the major portion of the diagram set.
The organization of
these diagrams is discussed later in this section.
The cabling diagrams show each cable.
Signal names are given
for each wire as well as the connector pin number where the
wires temi.nate.
In following a signal from one card to another, it is not necessary to trace it through the relevant
cabling diagram.
The cabling diagrams are presented for completeness and to faciliate troubleshooting.
In cases where one of several card types may appear in a particular location in the FTU, there may be similar sets of diagrams cover ing the different card types.
In this case, each
set of diagrams contains a note on its cover sheet that specifies which card type is descr ibed by it.
To determine what
card types appear in a particular tester, find out the tester's
series code by examining the equipment identification plate.
Then refer to the spare parts list at the end of the parts data
section; this list correlates the card types to the tester series code.
83323370 C
5-1
TITLE
c
CODE IDENT
19333
LOC: AI7
CROSS REf
NO
CARD
LOCATION
CARD
TYPE
171
SHEET
CnOSS
REFERENCE
NC\IBER
SHEET
NUMBER
PAGE
NUMBER
9E85
Figure 5-1.
Diagram Title Block
Each sheet in the diagrams has a title block containing the information shown on figure 5-1.
This information is explained
as follows:
•
Title sheet.
•
Publication Number - Indicates the publication number of
this manual.
This number is in lieu of the number usually found at the bottom of each page.
•
Manual Revision Letter -Indicates the revision level of
the page.
•
Diagram Revision Letter
Indicates revision level of
this diagram and changes due to engineering change order
etc.
•
Card Type - Indicates the type of card containing the
circui try shown on this diagram.
This is included only
on the first sheet of each card type but not at all on
diagrams showing key to logic or cabling information.
•
Card Location the FTU.
5-2
Descriptive of the information contained on that
Indicates the location of the card within
83323370 C
•
Cross Reference Number - Each sheet (except those in key
to logic) has a unique 3 digit cross reference number.
•
Sheet Number - Pertains to the number of sheets required
to show this circuitry and should· match the last digit of
the cross reference number.
•
Page Number - Indicates the page number of this sheet
within the manual. This number is in lieu of the number
usually found at the bottom of each sheet.
Table 5-.1 lists the contents of the diagrams set and includes
the cross reference number, location and title of each sheet in
the set.
However, each ti tIe and cross reference number is
listed only once.
This is important to note where several
sheets have the same title and cross reference number but contain different· information because they apply to different
units.
TABLE 5-1.
Cross
Reference
Number
Module
Location
CONTENTS OF DIAGRAMS
Title
Key to Diagrams - Assembly Locator
Key to Diagrams - Cable and Backpanel
Locator
Key to Diagrams encing
Intersheet Refer-
Key to Diagrams - Miscellaneous
001
A2AOl
002
A2AOl
101
A2BOl
Prewired Spare Card Slot
cessor Signals Diagrams
Micropro-
Prewired Spare Slot Microprocessor
Signals
.
Control Panel Interface Diagrams
Table Continued on Next Page
83323370 C
5-3
TABLE 5-1.
CONTENTS OF DIAGRAMS (Contd)
"
Crosq
Ref.erence
Number
Module
Location
T~tle
,
102
A2BOl
Bidirectional Data Bits 0-7
103
A2BOl
Rowand Column Switch Decode
104
A2BOl
Interrupt and Processor
Run/Halt/Reset
105
A2BOl
Decoder and LED Drivers, Part 1
106
A2BOl
Decoqer and LED Drivers, Part 2
107
A2BOl
Decoder and LED Drivers, Part 3
108
A2BOl
Decoder and LED Drivers, Part 4
201
A2A/B02
202
A2A/B02
Input Receivers
203
A2A/B02
PIA Data, and Bus Control
204
A2A/B02·
PIA Data and Receiver Enable
205
A2A/B02
PIA Data and Transmitter Enable
206
A2A/B02
Output Transmitters
207
A2A/B02
Bus Out Multiplexer
mitters, Part 1
and
Trans-
208
A2A/B02
Bus Out Multiplexer
mitters, Part 2
and
Trans-
209
A2A/B02
Bidirectional Data Bits
301
A2A/B03
Rea~/WriteControl
A2A/B03
Head Alignment
302
,.
I/O Control Diagrams
Diagram
Table Continued. on Next Page
5-4
83323370 C
TABLE 5-1.
Cross
Reference
Number
CONTENTS OF DIAGRAMS (Contd)
Module
Location
Title
303
A2A/B03
Read/Write Enable Control
"304
A2A/B03
Bidirectional Data Bits 0-7
305
A2A/B03
MFM and write/Read Enable
306
A2A/B03
Address Mark and Data Error
307
A2A/B03
Read/Write Data Control
308
A2A/B03
write Address/Data RAM
309
A2A/B03
Address/Data Error Compare
310
A2A/B03
Read/Write Data Control Counter
311
A2A/B03
Read/Write Address Control Counter
401
A2A/B04
402
A2A/B04
Microprocessor and Reset
403
A2A/B04
Read Only Memory
404
A2A/B04
Clock and Address Mark Counter
405
A2A/B04
Buffered Addresses 0-15
406
A2A/B04
Read/Write Random Access Memory
407
A2A/B04
ROM and RAM Decode Select
408
A2A/B04
Bidirectional Read/Write Data
Bits 0-7.
409
A2A/B04
Phase Two Clock
501
A4
Microprocessor
LED Display Diagrams
Table Continued on Next Page
"-..
83323370 C
5-5
,'TABLE· 5-1.
Cross
Reference
Number
CONTENTS OF 'DIAGRAMS (Contd)
Module
Location
502
A4
LED Display, Part 1
503
A4
LED Dispiay,
601
A3
602
A3
701
AS
702
AS
Control Panei Board
703
AS
Control Panei Board
801
Al
802
Al
803
901
Part
2
Test poirit Board Diagrams
Test Poirit Board
Control Panel Board Diagrams
+5 / -5 Volt Power Supply Diagrams
+5 / -5 Volt Power Supply
Input Power Configuration
Microprocessor
FTU Internal Cabling Diagrams
902
LED nisplay cables
903
Test Point cables
904
Control Panel Cable
910
TB2l6
I/O Cabling
Di~grams
911
I/O "Ail A2/A4
912
I/O "An 75 Pin Adapter Cable
S1'D) (AlO MUX)
913
60 Pin Adapter Cable A8
MUX) "
(A6
(STD and
Table Continued on Next Page
.
5-6
"
~
-
83323370' C
TABLE 5-1.
Cross
Reference
Number
Module
Location
CONTENTS OF DIAGRAMS (Contd)
Title
914
75 Pin Adapter B7 (MUX) /
Cable B5 (STD and MUX)
915
75 Pin Adapter B3 (STD) / Head
Alignment Cable
951
Head Alignment Diagrams
952
DIBIT Amplifier, Pa'rt 1
953
DIBIT Amplifier, Part 2
954
DIBIT Amplifier, Part 3
83323370 C
I/O
5-7
,
4
...
3
2
J
1
REVISIONS
1-REV
~~:
REVISION STATUS OF SHEETS
.D
5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20
I
2 3 4
A
A
A
A
B
A
A
A
A
c
A
A
A
A
0
A
A
A
A
I
0
ECO.
DESCRIPTION
PE23000
RELEASED
PE54244
ADO NOTE TO STATUS
DRFT.
MATRIX
DATE
PE54H4A ERROR CORRECTION
"18'81
"18'81
PE54Z71
3 "'II
SELECT MATRIX CODES
CHK'D
",
-
A
D
l-
e
e
.
B
·B
NOTES:
&
DEVICE TYPE CODES ARE
IN SECTION 2 OF THIS MANUAL
~
A
A
[l""wN
C/II:.": " I:. II
ENGINEER
a. /31PfIi£- ~:!.£:jt
~'V~
M.-.GNtTlC 1'[I\JI'II[R!-lS
Jid!! "=~'0If'0¥I~
iJ'jc.
KCY TO LOGIC
DIAGRAMS
CODE IDEN!
19333
APPROVED
4
3
+
NnMMAfHlAl'
Ut't.HA IIIJNb
2
c\
CROSS
REF NO
Ujj2jj'rO
r
\ E
PAGE
HEET
I
OF
5
1 REF 75121200
J
5-9
0
4
2
3.
1
A4 - LED DISPLAY BOARD
D
o
801-_JKX
@
~
ci)
..ci)
ci)
~
c
~
'@Q))
~
J[)
~
~
(';
(';
c
~
~
~
G
A3-TEST POINT BOARD
NOTES:
&.
I. ASSEMBLY LOCATOR
B
THE FOLLOWING SHOWS EACH MAJOR ASSEMBLY ITS
PHYSICAL LOCATION CODE AND WHERE IT IS FOUND
IN THE DIAGRAMS.
•
ASSEMBLY
&
POWER SUPPLY
LOGIC CHASSIS
_JKX CTL PANEL INTERFACE
_JHX I/O CONTROL
_ JJX RD/WRT CONTROL
A
HEAD ALIGNMENT CARD
~
~
~J
_JGX MICROPROCESSOR
_ZEV TEST POINT BOARD
_ZFV LED DISPLAY BOARD
_ZJV CONTROL PANEL BD
_ZPV HD ALIGN CARD
B
PHYSICAL DIAGRAM
LOCATION CROSS REF
NUMBER
CODE
AI
801
A2
A2BOI
A2A1B02
A2A1B03
101
201
301
A2AiB04
A3
A4
A5
401
601
501
701
.-
A
951
v·
MA9~~C PERIPHERALS IN~.
.
ASSEMBLY· LOCATOR
ell) t.OolllPOI'ou.C()IIII"OI.AllOJ'II
4,
INCLUDES _JGV-POWER
SUPPLY BOARD
3
NORMANDAlE
OPERATIONS
CODE IOENT
19333
2
C
A
.'.
(
D BACKPANEL LOCATOR
2. CABLE AN
CAL LOCATION
HOWS THE PHYSI RENCED IN
SHEC~TBCE
CONNECTOR :i~~LY PLUGS
GRAMS. (NOTE TH
THIS
OF EACH
THES~E~:RENCED.1
.
OLE EDGE
SHOWN ON CA
RE THAT
ItEAVY
INDICAT
RAND MARKE
CONNECETSODIAGRAM.
MATCH
ARE
~~N~ED MARKER'RE~~I~NTATION
D
2
3
4
3. INTERSHEET REFERENCING
D
THE FOLLOWING EXP.LAINS THE BASIC METHOD OF INTER-SHEET REFERENCING.
HEXAGON IDENTIFIES SIGNALS LEAVING OR
ENTERING THIS SHEET BUT NOT THE CARD.
SIGNAL NAME WHEN ACTIVE
+. ACTIVE HIGH· ("I")
- •. ACTIVE LOW ("0")
ADJACENT NUMBERS IDENTIFY OTHER 'CROSS
REFERENCE NUMBERS WHERE SIGNAL IS USED
c
c
+HRB
CJI-'~'- -_-. . :G:. :O:. . .
:,-A:_+_P;.;.AK'--__
a
r---0
__
'22
,'24
_+~--~~~ 294 A29-OIA
rI
293
r::J CJ E:J 11:)
G;J
123
A12~25A
(!)---~S=E=EK~---Ol~________~J
OIA»>-_ _ _ _-...:G:..:;O_ _ _..J...>_
TIMING CONTROL
(
RUN CONTROL
LOC:A29
B
B
SOURCE SHOWS WHERE
SIGNAL ORIGINATES
DESTINATIONS
SHOW
OUTPUT SIGNALS GO
ALL
LOCATIONS WHERE
WITHOUT REGARD
TO
ACTUAL BACKPANEL WIRE ROUTING. IN THE
EXAMPLE
:rf
7
SHOWN IT IS AS FOLLOWS'
294
A
rHO~5
REFERENCE NUMBER
LOCATION
~
A
PIN
NUMBER
INTERSHEET REFERENCING
4,;
3
2
4
3
2
1
".
--A.Nv-2K
o
,
2~
____________J
o
4. CARD COORDINATES
I
~
HOftIZONTAL
EACH COMPONENT ON THE A2 LOGIC CARDS IS IDENTIFIED ON THE
LOGIC DIAGRAM BY A FOUR - DIGIT COORDINATE LOCATOR. THE FIRST
TWO DIGITS LOCATE IT HORIZONTALLY, AND THE LAST TWO DIGITS
LOCATE IT VERTICALLY. EACH CARD HAS THE COORDINATE NUMBERS
PRINTED ALONG ITS EDGES. AS VIEWED FROM THE COMPONENT SIDE,
THE COORDINATES FOR AN INTEGRATED CIRCUIT ARE GIVEN FOR THE
LOCATION OF THE UPPER RIGHT-HAND PIN (ACROSS FROM PIN II.
THE COORDINATES FOR A DISCRETE COMPONENT ARE GIVEN FOR THE
POINT WHERE THE UPPER LEAD IS ATTACHED.
..
0---' .... .
~
~.- ... ---:-
.----- .... ~
c
c
(COMPONENT SIDE SHOWN I
5. LOGIC LEVELS
TTL "I" • +3.6 (±1.61 V
"0" • + 0.4 (±o.41 V
0.79(tO.IBIV
ECL "I· •
"0· •
1.95(t0.43IV
CMOS "I" a
2.4 V MIN
B
·0" •
B
0.4 V MAX
7. INTEGRATED CIRCUIT DESCRIPTIONS
6. ABBREVIATIONS
ALL ABBREVIATIONS ARE DEFINED IN
A LIST PROVIDED IN THE FRONT
MATTER OF THIS MANUAL.
ALL INTEGRATED CIRCUITS ARE DESCP.lBED IN
THE NORMANOALE CIRCUITS MANUAL.
A
A
M"'~~.~C "lIlJl"llI\f\l!> INC.
MI~C[LL.ANr:OU!l
.~ """'........ '0.'.,.,."'••
CODE IDENT
19333
4
3
+
2
4
,
•
3
2
-REv
A
a
REVISION STATUS OF SHEETS
I
D
,
I
REVISIONS
ECO.
PE23000
PE~4Z36
DESCRiPTION
RELEASEO
ADO TWO
ORFT. OATE
CHK'O
".
CII
SIGNA~S
5-ZI.~
2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20
A
A
8
B
0
l-
e
e
AOI44A)5=J+5 V
448)
OGA),
• +5
v
-GND
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39A~S=
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02A)5=J -5 V
028)
• -5 V
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A
A
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ENGINEER It(/~
APPROVED
4
I
3
i!I'IS'7'l
J/"/'1
MAGNETIC rERirHER,A.LS INC.
_=~c_"'"
.
PREWIRED SPARE CARD SLOT
MICROPROCESSOR SIGNALS
DIAGRAMS
LOCI A2AOI
2
I
NORMANOALE
O,[AATIONS
CODE IOENT
19333
CJ
CROSS
REF NO
83323370
001
1
lSHEET
P.EF
I OF 2
75121212
Ic I
jPAGE
5-15
B
,
4
2
3
AOI405 A04-30A 07A»~----+-B~U~F-F-ER~E~D~R-I--W----------------~-
1
- DATA BIT 0 >-::
NC
NC
409 B04-08A 07B»~----+~E~N~A~B~L~E~0~2~------------------__
405 B04 - 16B 08B»~----+~B;..:U;.;..F..;...F.::cERc.:..:E~D;........:.V.;.;.;M.;....;A----------------_
D
409 B04-19B
09A»~------E-N-A-B-LE--0-2----------------------
-DATA BIT I
>--<
409 B04 _ 18A o9B»>-_ _ _
-~B....:;;U..;;..S_f>.~'!I.;....;A~IL:....A..;;..B.::.LE::....__ _ _ _ _ _ _ _ __
407 B04 _ 29B lOA »>-____~+....:M~E:::.M:.:..;._=S:.=E~L=_D___________________
407 B04 - 21A
lOB »>-_____-~E:::.NA~B.::.L=_E~A,.;.;;D;.;;D..;...R;:;;ES;.:S;;.;A.::.BL;:.:E::.....;;L~AT~C~H....:;;E;.:.S_______
409 B04 -24B
~>>------+-W-R:....I-T-E-.-02"---------------------
407 B04-14A
~>>-____-_0..;...0~8:....X_________________________
409 B04-26A
29A»~----+-Wc.:..:R..;...IT..;...E~--------------------__
409 B04 - 29A
.1!!!..)>>-_____+~R~E:....A_D__________________________
- DATA BIT 2
>-<
- DATA BIT 3
>--<
405 A04-16B ~)>-_____+_B_U_F_F_E_R_E_D_A_O___________________
c
-16A
13B»r-____+____-+__~A:....I___________________
-31B
14A»r-____+____-+____
A_2___________________
>--<
- DATA BIT 4
-27B 14B»r-____+____-+__~A..;;..3_________________
-37A 15A»r-____+____-+____
A_4 __________________
-15A
_ 14B
-13A
-DATA BIT 5
>-<
~,r----+-----+--~A..;;..5-----------------16A»r-____+____-+____
A_6__________________
16B»>-____+___~---~A:....7-------------------
405 A04 _ 33B 17A
- DATA BIT 6 >-::
»>-____
+____-+-____
A_8___________________
405 B04 _ 13A
17B )',>-____+____-+__---:..A;.:.9___________________
-13B
18A»>-____+
____-+____A~10
___________________
• - DATA BIT 7
>-<
)1
)1
AOI0 4B
0 5B
>1
)1
)1
)1
)1
5
0 3B
4 3B
43A
-
A
» D~
-12A ~,>------+----+---,.;.;;A..;...I~I------------------08B
B
",
o
102 BOI-08A
209 A02-05B
304 A03-16A
408 B04-17A
102
209
304
408
BOI _ 03B
A02-05A
A03-15B
B04-16A
102 BOI - 03A .
209 B02-03B
304 A03-07A
408 B04-15A
102 BOI-07B
209 B02-43B
.304 A03 -08B
408 B04 -28B
c
102 BOI - 058
209 802-43A
304 A03 -07A
408 B04 - 28A
102
209
304
408
BOI- OM
A02-04A
A03-058
804 -25A
102 BDI _ D'A
209 B02-03A
304 A03-04A
408 B04-26B
19B)~>-----+-----+----A~12::....------------------
-lOA 20A»>-____+____~--~A~13~----------------_ liB
102 BOI- 08B
209 A02-04B
304 A03-17B
408 B04-17B
B
_ _ _ _ _ _ _ _ _ _ _-_B_R_E_AK_P_OI_N_T_ _-7)~ 104 BOI-28B
20B»~---+-----..:.;A:....14:.-.---------
405 B04 _. lOB 21A »>-_____+-'B:;.;U;..:.F~F...;;Ec.:..:R~E.;:..D_A'_I..;.5___________________
NC
----------------------I-R-Q~-------~)~402
A04-32A
-
__________
-_R_E_SE_T_ _ _~)~ 102 BOl-17A
He
A
A
MAGNETIC PERIPHERALS INC,
•• ::':::r.:'.(~,O't
PREWIRED SPARE CARD SLOT'
MICROPROCESSOR SIGNALS
NORMANDAlE
OPERATIONS
ClIDL IDENT
LOC· A2AOI
4
3
+
2
I
19333
CI
83323370
eftosa
REF NO
1
1c ·1
B
(
!
4
..
3
2
1
REVISIONS
~~~~(c=o--r---------DC-'-CA-'P~TI-ON----------~D~~"~O-.'-t-rC-H'~'01
REVISION STATUS OF SHEETS
D
FILTER CAPACITORS
5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20
I
2 3 4
A
A
A
A
A
A
A
A
8
A
8
8
A
A
A
A
",
A
1'£23000
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B
PE~4238
ADD TWO SIGNALS
CB
~'21-11C
.1 uF
+5 V
0610
0622
1133
1610
1622
1633
1655
1743
2210
2221
2233
2355
2710
2733
~~~~------------------~-r~~~D
IUNUSED LOGIC ELEMENTS
C
ELEMENT
LOCATION
140LS
140LS
141
141
200
200
1953
0331
2453
2920
2931
1909
OUTPUT
PIN(S)
11
3.8.11
6
6,8
6,12
6.8
C
A2PB1- B01904 ~ P 1 _03 26A» 2 6A),>-__+..5__
V-.________--.______-..___ +5 V
904
~ Pl-20
I
)r
2753
-t:L6; 8 uF
:t250"V
T3
1
B
26B» 26B5S----J
1
1_.
A2Pl0l
1 uF
902
902
B01- ..... A2PB1-
~ Pl-0l
~Pl-18
r----1~~902 ~P2-13
A2PB1- B01-
904
5 Pl-06 23A»23A
904 A5 P1-23 23B)~
39A 39A
902 A4 P1-25 39B)~
902 A4 Pl-08~>=-7.
06A)
06B)
,~
.----~....,~
GNO
~)44A )~ 902
=
§J P2-30
B
A2PB1- B01902
902
~
4
Pl-28
A4 PH 1
42A)~S.....--~5....;V~---------. -5 V
42B)~
/'Q2A/.
02B
5
A2PB1- BO 1r;;l
27A)~27A
~
904 ~ Pl-02.
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.
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NC
203 A02-07B
A
A
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MAGNETIC r[RJrH[RI\lS INC.
C.=~c~o..
3
+
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CODE IDENT
TYPE' AJKX
APPROVED
4
CONTROL PANEL INTERFACE
DIAGRAMS
2
LOC' A2BOI
19333
cl
CROSS
REF NO
83323370
101
1
j
SHEET
I
I
8
I
PAGE
OF
REF 75121201
E
B
5-17
4
,
2
3
~ ..... 9
1
LJ 140LS ~
-f~:6-E2 P. I.A.
B01-
D
407
-BUFFERED A2
~
111u---r-
B04-21B~\-_-.!..~~~----r""'--'~48LS
13
4
A
-0.
+BUFFEREO A2
- ENABLE P.I.A. t AND 2
103
105.106.107 .108 .
C 103
.
9B
+BUFFEREo A2
1 ~ 1942
140LS p.:::.6_-..-u-,~
J.NC
405 A04-31B
0331
409 B04- 29A 07A »\-_~+:!R!..!:E:!!A~D~_ _ _ _ _ _ _ _ _ _--,
RCVR
~>
~
1
3~:2
(3)
(6)
1
rE
(1F
409 B04- 26A 04B
1~F
»\--~~~-------------r-I----l
+WRITE
•
c
4
7
I
B'
-DATA III T 1
4'go02A
-1002 A
002
-1
>--<
>-<
0342
(3)
1 F~
01·0!l1l
209 A02-05B
304 A03-16A
01-05A
209 A02-05A
304 A03.-15B
40S B04-16A
.
F~
~
-DATA BIT 3
(10)
>--<
+OATA BIT
+OATABIT
+DATA BIT
+DATA BIT
RCVR
934
0353
1 F2
-DATA
F
FU1l1_ _ _ _~1_+_------_.
(1
F14
3
2
1
0
~-®103.106
.-
E 103.106
~0103.105
G 103.105
BIT 4
C
A01-03B
209 B02-03B
304 A03-14A
40S· B04-154
;'
(13)
~
r
304 A03-17B
408 B04-17B
,
1
~
01-04B
~002A
~.
209 A02-04B
408 B04-17A
hlF
(3lli
B01-
>---<
0
-DATA BIT 2
DRVR
934
~
- READ
BIT
or
~
-+ '
-DATA
F
F
F 11
F 14
D
B01-
>-<
A01-43B
~002
209 B02-43B
,or
304 A03-0SB
40S B04-2SB
>-<
-DATA BIT 5
A01-43A
~002
,
209 B02-43A
B
304 A03-07A
400 U04-26A
~
_ _ _ _ _~1~5F~--'
'i
.J
4
7
~
~
F~
10~
F
A01-04A
209 A02-04A
304 A03-05B
. 40S B04-25A
2 A01-03A
~lo0
;'
209
B02~03A
13,
304 A03-04A
40S B04-26B
A
MAGNETIC rERJrHERt\lS INC.
eli> ~=~JACC",-o-.A;~
BIT
BIT
BIT
BIT
7
6
5
4
+
>-<0
>-<
>-<-0
>-<
NORMANDAlE
OPERATIONS
BIDIRECTIONAL
DATA BITS 0.;..7
C
2
103.108
J
103.10S
L
103.107
A
103.107
A
CODE IDENT
LOC. A2BOI
3
~.
>-<
-DATA BIT 7
+DATA
+OATA
+DATA
'tDATA
4
-1 002
>-<
-DATA BIT 6
DRVR
934
0;53 F~
19333
1
(
4
2
3
1
A2PB1- B01-
",
21B S'ROW 2
703j~ Pl :~: ~
21A
B 5
ROW 1
ROW 1
ROW
ROW
ROW
ROW
ROW
ROW
ROW
A ~ ROW 3
-07~
B~ROW4
-24~
A ~ ROW 5
-10~
B ~19B ) ' ROW 6
-27~
D
-22
703
B ~24B 5< ROW
¥.9.
B ~14B)5 ROW
~Pl-32 ~
7
8
2
3
4
S
6
7
8
-®
-0
-0
-0
104
104
N
104
Q
104
104
5
104
104
104
U
D
+!5 V
f20
c
102
102
102
102
102
E
102
102
102
J
405 A04·13
+OATA BIT 0
G
3
:f
0+0ATA BIT 1
+OATA BIT 2
0+0ATA BIT 5
+OATA BIT 6
H +OATA BIT 7
BOlA 10B), +BUFFEREO A7
102
A
102
C
-BUFFERED A2
- ENABLE P. I. A. 1 AND 2
II
I
,2!
B01-
NC 27B):\
104
10 4
AA
Z
R/W
40
CAl
39
CA2
18
CBl
19
CB2
+HAL T + (+ROW 7)
+INTERRUPT
B01NC 31B),
B
Vee
586
31
3 02
0741
03
29
PIA
04
NO.1
28
05
2
21 06
2 07
24 CSO
CS1
23~
CS2
3~
RS1
3E
RSO
2!
ENABLE
~ RESET
®+OATA BIT 3'
+OATA BIT 4
L
DO
01
I
PAO 12
PAl ~
PA2 4
PA3 5
PM Q
PA5 7
PA6 ta
PA7 9
~B2
13
PB3
14
PB4
15
PBS
16
PB6
PB7 17
IRQB 37
IRQA 38
Vss
B
001·
+BUFFEREO AO
A04-16B 12B"
10AS<' +BUFFEREO A1
A04-16A
B04-08A 13B), +ENABLE
. 13A), -RESET
BOl-28A
A04-30A 11B5( +BUFFEREO R/·W
A2PB1- B01~,COLUMN 8
702 §]P1-15
11
A
+AO
+Al
,.
-0
+ENABLE 02
-RESET
+REAO + (-WRITE)
~
-0
10 5.106.107.108
W 1 05.106.107.108
10 5
X 1 05.106.107.108
10 5
COLUMN 7
COLUMN 6
ll4)-lli7.
8A ~, COLUMN 5
'/
20A ...,
09 20A)~
26
BOl
, 09B
~ 402 A04-32A
(; 09A
7-~ 402 B04-078
-IRQ B
-IRQ A
~I
405
405
409
104
405
~
14~~ 1 SA»
15B
31 1§.!4)-!-E-7.
'/
c
10
PBO
11
PBl
12
COLUMN 4
20B ..., COLUMN 3
20B)~
'/
24A "
os 24A)~
,,/
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A
COLUMN 2
25A ,,' COLUMN 1
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MA~~~C PERJPHEMlS INC.
ell U»oI'''''CIoUA(~c:-.
ND~MANDALE
O~EAATIONS
ROW AND COLUMN
SWITCH DECODE
CODE IDENT
LOC' A2BOI
4
3
2
19333
C
B
,
3
4
,
2
103
103
103
103
103
D
".
D
____1k~----~;:~--------~+~H~A~L~T~+~(~+~R~0~W~71)L-----------~
A2PB1- B01-
0210
r
~7-~------------~~-------+5V
3.9 I<.n
703~P1_28~~~-H~A~LT~----------------------------------------4-~
+5 V _----~2\1125"'3r_------__.
.3.9 kn
002 A01-25A
AA 103
-l__~
28B)~-B~R~E~A~K~P~O~I~N~T____________________________________
703 ~ P1-25 17B)~~-S~T~EP:""-_ _ _ _ _ _ _ _ _T _ _ _ _ _ _ _ _ _---1~
16B)~~~-R~U~N_ _ _ _ _ _ _ _ _ _
~
C 703~P1-30
4-__________
~09 OO~-190 30n~~-~E~N~An~L~E~0~2~
________________
~~
+5
c
V_------~~~----~~--~~-----,~----------------------------------~+~GO~/~-~H~AhLTI-~
____________________
~~ ~~
~
__
B01-
402 B04-31A
+
B
703
~
P1-13
.1.hr-:;-'
16A)~)--S_T.;.;.A;.;..RT;......-______________________________________
B
- RESET
402 B04-38B
103 B01-13A
203 802-058
A
A·
MA?~~C rERJrHER(\lS
C.OIfIIPOOM(~Of
..
•
INC.
INTERRUPT AND PROCESSOR
RUN I HALT I RESET
NORMANDAlE
OPERATIONS
CODE IDENT
LOC·A2BOI
2
19333
C
8
CROSS
REF NO
1
4
,
2
".
102
r-----------------____________________________________________
~-~G~A~TE~L~A~T~CH~E~S~
__~AB 106.107.108
D
103
A2P101)l.i- 502
~ P1-34
~502
P1-26
~
502
P1-17
~
502
P1-09
~~503
P2-19
102
_2 8
-BI T
C
-BIT 7
-FA L
-I/O READY
C
B01-A2PB1-
~~
503 ~ P2-27
.-
-+
14
3
2
I
!S!S2
1920
I!S
II
13
102
A2P101-
_2 1
12
~ 502~P1-33
II
10
-BIT 14
9
--
-BIT 6
7
-SEEK ERROR
6
-CLOCK
)-ll-
502
P1-25
~
502
P1-16
~ 502
B
P1-8
B01- A2PB1-
~)-lli- 503
P2-20
~)lli- 503 Bp2-2
4
A
A
_
_ _ <_00
M~..E,~C
I'f.RJrHEI!,f.LS
4
3
...
INC.
DECODER AND LED DRIVERS
PART I
LOC·A2BOI
2
,
4
2
.3
1
".
D
D
ATCHES
+ AO
- RESET
-
+ DATA BIT 2
102 E
13
_22
10
-BIT
C
-BIT 5
-SELECTED
10
-READ
A2P101~ 502
~P1-32
~502
P1-204
~502
P1-15
~ 502
P1-7
C
B01- A2PB1-
~~503
P2-~1
~~ 503~P2-4
+-
-+
14
3
2
I
552
0820
15
B
102
+DATA BIT 3
0
13
12
_2 3
"
_2 11
10
-BIT
9
-BIT 4
7
-WRITE PROTECT
6
-ADDRESS ERROR
A2P101~ 502
~P1~31
~
502
P1-23
~
502
P1-104
~ 502
BOI- A2PBI~)lli 503
B
P1-6
P2-22
~~ 503~P2-5
5
4
A
A
MA~~~C
rER}rHERf.,LS INC.
.8 ....""' ..... <"'."..''',••
4
3
...
DECODER AND LED DRIVERS
PART 2
LOC·A2BI
2
\.
3
4
2
1
D
D
-GATE LATCHES
+A2
+AI
+AO
- REstT
102 L
+.DATA BIT 4
_2 4
2
_2 12
-BIT 1
C
4
-BIT 3
A2P101-
)22)-ll-
502 ~ P1-30
502
P1-22
>-1L
502
P1-13
~
502
P1-5
~>-ill-
503
P2-23
~~
503 ~ P2-6
B01- A2PB1-
2
-DATA ERROR
C
+14
'3
2
I
552
1320
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A
A
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+
MAGNETIC rERJrHER."LS INC.
ell ~=::
4
3
c~o.
HEAD
NORMANOAlE
OPERATIONS
ALIGNMENT
CODE IDENT
19333
2
C
A
SECTION .6
WIRE LIST
WIRE LIST
6
INTRODUCTION
This section contains wire lists for Wlr lng the logic chassis
backpanel of the TB216 Field Test unit.
It explains how to use
the lists and identifies the columns shown on the lists. Only
the wiring for the logic chassis backpanel is shown on the wire
lists. All other wiring is shown on the cabling diagrams.
READING OF WIRE LIST
Wire lists show the signal name, origin, destination, and Z
level of all wirewrap connections on the logic chassis backpanel.
The wires are listed in the order of card location ~nd
pin number.
The lowest numbered card location and pin number
are listed fir st, and the highest numbered card number and pin
location are listed last.
The wire list is. a double-ended
list.
This means that all wires are listed twicei each end is
listed first as the origin and second as the destination.
An
explanation of all the columns used on the wire list follows.
SIGNAL NAME
The name of the signal carried by each wire appears in abbreviated form in the first column of the wire list.
A complete
signal name for each abbreviation is given in the list of abbreviations in the beginning of the manual.
ORIGIN/DESTINA TION ;.
The origin column identifies the card location and pin number
on which the wire begins.
The destination column identifies
the location of the opposi te end of the wire.
Both columns
cohtain a six character number that specifies the points where
the wire is connected.
The first three characters represent
that card location.
The second three characters represent the
pin number that appears in the Origin/Destination columns
83323370 E
. 6-1
fol16ws:
-I.-.---------------- c~rd
..
AO
. l=.-----
Location
Pin indentifier
03A
Z LEVEL NOTES
The Z level .refers to the position of the wire on the pin.
There are two Z levels on all pins (refer to figure 6-1).
Z
level I identifies the wirewrap connection closer to the surface of the wirewrap.
Z level 2 identifies the wirewrap connection farthest from the surface of the wirewrap panel. All
pins may contain two wires. However, if the pin contains only
one wire, that wire will be connected on Z level 1. The same Z
level is maintained at both ends of all wirewrap connections.
~
LEVEL 2
~
2 LEVEL i
9870
6-2
83323370 E
IWL 1
TiTlE
DOCUMENT NO.
82361904
LOGIC WIREWRAP
SIGNAL NAME
OR NUMBER
IDENTIFICATION
-OATA7
-OATA7
-OATA3
-OATA3
-OATA6
-OAT A6
-OATAO
-OATAO
-OATA2
-OATA2
-OAT Al
-DATAl
+R/-\i
+R/-W
+ENCL2
+ENCK2
+BAVAL
+VMA
-ENC 1(2
-BAVAl
-MEt'!SL
-ENL AT
-\.ITCK2
+RESET
+AOD
+AOD
+AOD
+ADO
+ADD
+ADD
+ADD
+ADO
+ADD
+AOO
+ADD'
+ADD
+ADD
. +ADD
+AOD
-AOO8X
+ADD
+ADD
+ADD
+ADD
+ADD
-IRQ
-BKPNT
+WRITE
+READ
+READ
-OATA5
-OATA5
-DATA4
-DATA4
-OATA6
83323370 E
0
0
1
1
2
2
3
4
5
6
7
7
8
9
10
11
12
13
14
15
DESTI2
NATION' LEVEL
ORIGIN
AOI03A
AOI03A
AOI03B
AOI03B
A0104A
A010ltA
AOI04B
AOI04B
A.O 105 A
AOI05A
AOI05B
A0105B
AOI07A
AOI07A
AOI07B
A0107B
AOloeA
A010BB
A0109A
A0109B
A0110A
A0110B
AOIIIA
A0111B
AOl13A
A0113A
A0113F3
A0113B
AOl14A
A0114A
~0114B
A0115A
AOl15B
A0116A
A0116B
A0116B
A0117A
AOl17B
AOllSA
A011BB
AOl19A
A0119B
A0120A
AOl20B
A0121A
A0121B
A0125A
A0129A
AOI41B
A0141B
A0143A
A0143A
A0143B
A0143B
A0204A
B0203A
A0304A
B0203B
A0314A
A0204A
A0305B
A0204B
A0317B
A0205A
A0315R
A0205B
A0316A
B02(')4B
A031eB
B0204A
A0321A
B0419A
B0416B
B0130B
A0209B
B0429B
B0421A
11042413
B0117A
B0205A
B0341B
B0207A
003"1A
R02Z8S
A0319A
A04278
A0437A
A0219B
A0414B
B0208B
A0313A
A0433B
130413A
B0413B
B0414A
B041?.A
B0408B
B0410A
B0411B
B0410n
BOI09B
B0128B
B0229A
I
SHEET
N~i
I
I
REci·
NOTES
2
1
2
1
2
1
?
1
l
1
2
1
2
1
2
1
1
1
2
1
1.
1
1
1
1
2
1
2
2
1
1
1
2
1
2
1
1
1
1
1
1
1
1
1
1
2
1
t
B0241B 2
A03laA 1
nO?43A 2
A0307A
80243B
A03088
B0425A
1
2
1
1
6-3
TITLE
I
LOGIC WIREWRAP
SIGNAL NAME
OR NUMBER
IDENTIFICATION
-OAT A6
-OATAO
-OAT AO
-OATA2
-OAT Ai!
-DATAl
-DATAl
-PWRSQ
-8AVAl
-BAVAl
+MUXIO
+ENTRN
+ENRCV
+AOO
4
+AOO
5
+AOO
5
+AHGT
+WRTGl
+WRTOA
+WRTGT
+WRTGT
+ENRCV
+ENRCV
+RODAl
+ROGT
+FLTIO
+BYTCK
+BYTCK
+SKENO
+WRClK
-OATA7
-OAT 1.6
-OATA5
-OATA4
+EOCOV
+ Enc OV
+AOO
7
-OATA3
-DATA2
-DATAl
-OAT AO
+REAO
+R/-W
+AOO
2
+WRITE
+ENCK2
+WRClK
+CRCTR 03
-ENGI-AH
+GI5US
+CRCTR
-CR-CTREN
6-4
WL 'I DOCUMENT NO.
I SHEET NO.
2,
"
ORIGIN
DESTINATION
A0204 A
A0204B
A020"8
A0205A
A020!1A
A02058
A02058
1.02078
A02098
A0209B
A0215A
A0215B
A02168
A0219A
A0219B
A0219B
A0220A
A0221A
AO,21B
A02221.
A02?ZA
A0224A
AO?24A
A0224B
A02251.
A02258
A0235A
1.02~8A
A0240R
A0241B
A0304 A
A0305B
A0307A
A03088
A0310B
1.0311A
A0313A
A0314A
1.03158
A0316A
A0317B
A0318A
A03188
A0319A
A0320e
A0321A
A0332A
A0343A
A0403A
A0404B
A0401A
'&'0407A
2-
NOTES
LEVEL
AOI0ftA 2
804178 1
AOI048 2
80416A 1
A0105A 2
80417A 1
A01058 2
no 127 A 1
80418A 2
AOI098 1
B0236A 1
80240A 1
A0224A 1
A0437A 2
A0415A 1
A01158 2
B0331A 1
A02z"2A 1
803308 1 '
1303288 2
A02?lA 1
B0240A 2
A(,2168 1
803278 1
803258 1
802388 1
80319A 1
A0408A 1
A04118 1
A0332A 1
A0103A 1
AOI04A 1
A0143A 1
A0143B 1
A0311 A 1
A0310B 1
A0116B 1
A0103B 1
AOI05A 1
A01058 1
A01048 1
1.01418 1
AOI07A 1
IREV~-
..
1.0 11 ~A l '
8010lt8 2
AOI07B 1
A02418 1
A0407A 1
A0422A 2
B0316B 1
A03"~A
1
803378 1
83323370B
I WL I
TITLE
DOCUMENT NO.
LOGIC WIREWRAP
SIGNAL NAME
OR NUMBER
IDENTIFICATION
+BYTCK
+G25US
-ENG2
100US CLOCK
+ADD
7
+AOD
7
+SKENO
+ADD
6
+ADD
5
+ADO
1
+ADD
1
+AOD
0
+ADD
0
100US CLOCK
+SKEND
+SKEND
+INDEX
+SECTR
-ENGI-AM
-ENGI-AH
+ AHC TR
+ADD
3
+R/-W
,+R/-W
+ ADD
2
+ADD
2
-IRQ
-RESET
-RESET
8
+ ADD
+ADD
4
+ADD
4
-DATA~
-DATA2
-DATA7
+ WR I TE
HIR ITE
-DATA6
-DATA5
+READ
-DATA4
-DATAl
-DATAO
-NMJ
-IRQ
-IRO
+ADD
1
7
+ADD
-ENPiAl-?
+R/-W
0
+ADD
-PESET
-RESET
83323370 B
DESTINATION
ORIGIN
l
LEVEL
AOlt08A
A0409A
A0410B
A0412 B
A0413A
A0413.\
A0413B
40414B
A0415A
A0416 A
A0416A
A041611
A0416B
A0417A
AOltl7B
A0417 B
A0418 A
A0419A
A0422A
A0422 A
A0422B
A0427B
A0430A
AC430A
A0431B
A0431B
A0432A
A0433A
A0238A
B0312A
B0322A
A0417A
B02088
B0110B
A0417B
AOl16A
A0219B
B0207A
BOI10A
Bq205A
B0112B
A0412B
A0240B
A0413B
B02118
B0317A
A0403A
B0321B
B0338A
AOl14B
B0204B
B0111 B
B0228B
B01,?9B
BOI09B
B0113A
A043~A
80342A 1
AOlt33 B
A0437A
A0437A
130103A
B010313
B0104A
B01 04 B
B0104B
B0105A
B0105B
B0107A
B.o107B
B0108A
BOI08B
BOI09A
B0109B
B0109B
80110A
80110B
BOlllA
BO 111 B
B01128
B0113A
BOIl3A
AOl17A
A0219.
AOl15A
B0415A
B0416A
B04268
B04261A0320B
B04?r;a
B0428A
B0429A
B0428R
B0417A
80417B
B04078
A0121B
A0432A
A0416A
AOlt13A
B0421B
A0430A
A0416B
B0205B
A0433A
I
SHEET NO.
, 3
'I
RE
6·
NOTES
1
1
1
1
1
2
2
1
1
2
1
2
1
1
1
2
2
1
?
1
1
1
1
Z
1
~
1
2
1
?
1
2
2
2
1
2
'2
2
2
2
2
2
1
2
1
1
2
1
2
1
1
?
6-5
TITLE
._
/ WL /DOCUMENT NO.
0
LOGIC WIREWRAP
SIGNAL NAME
OR NUMBER
IDENTIFICATION
+ENCL2
DESTINATION
ORIGIN
02
80113B
-RESET
BOl17A
-BKPNT
-HALT
B0128B
80127A
130128A
-PWRSO
+RESET
+AOO
2
-ENLAT
-ENCK2
-ENe K2
-OATA7
-OATA7
-OATA3
-OATA3
+ENCK2
+ENCL2
. +R/-W
+R/-W
+AOO
0
+AOO
0
-RESET
+AOO
1
+AOO
1
-ENPIA3-4
+ADD
7
+AOO
7
+ SEC TR
+IHOEX
+INDEX
+AMFND
.-ENPIAl-2
+ADO
2
+AOO
2
+WRITE
+WRITE
+MUXIO
+SRVCK
+FlTIO
+ENTRN
+ENRCV
+REAO
+REAO
+ ROC lK
-OATA5
-OATA5
-OATA4
-OATA4
-EHPIA5-6
+G25US
+G15US
+SECTR
+SECTR
+lNOEX
+BYTCK
(
80129A
80129B
80130A.
80130B
B0130B
B0203A
80203A
B020'3B
B0203B
B0204A
B0204A
B0204B
B020ltA
A0205A
B0205A
B02058
B0207A
B0207A
80208A
B0208B
B0208B
B021tA
B0211B
B0211B
B0215A
1l0225A
B0228B
B02288
B02 2QA
B0229A
B0236A
B0237A
B0238B
B0240A
B0240B
B0241 B
B0241B
B0242A
80243A
B024~A
802438
80243B
803094
B0312A
B0316B
B0317A
B0317A
B0318A
80319A
Z
/SHEET NO.
.
4
·IRE~.
NOTES
LEVEL
80408A 2
AOIIIB 1
A0207B 1
B04388 1
A0125A 1
80431A
A0431B
B0421A
80419B
A0109A
B0426B
A0103A
B0415A
A0103B
B0408A
AOI07B
A0430A
A0107A
A0416B
AOl13A
B0113A
A0416A
A01138
~0420A
A0413A
A01168
B0317A
B031.8A
A0418A
B0343B
80421B
A04318
A0114A
B04Z6A
A0129A
A021'5A
B03298
Ao?isB
A0215B
A0224A
B0429A
A0141B
BI)326B
B0428A
AI)143A
B0428B
A0143B
B0420B
A0409A
A04048
A0419A
B02llA
B02lIB
A0235A
1
2
2
1
2
1
2
1
2
1
2
1
Z
2
1
1
7.
1
1
1
2
~
,':
1
2
1
~.
1
2
Z
1
1
1
1
1
2
1
2
1
1
2
1
2
1
1
1
1
2
1
1
'0
~
6-6
83323370 B
IWL I
TITLE
DOCUMENT NO.
LOGIC WIREWRAP
SIGNAL NAME
OR NUMBER
IDENTIFICATION
-FNG1-AH
-ENGZ
+RDGT
+RDCLK
+RDDAT
+WRTGT
+SRVCK
+WRTDA
+AHGT
-CR-CTREN
+AI'1C TR
+ADD
1
+ADD
0
-RESET
+AHFND
-NMI
+ENCK2
+ENCl2
+ADD
12
+ADD
1'3
+ADD
15
+ADD
14
+ADD
11
+ADD
9
+ADD
10
-A008X
-DATA3
-DATA3
-OAT A2
-DATAl
+VMA 00
-DATAl
-OAT Al
-DATAO
-DATAO
-BAVAL
+BAVAl
-ENCK2
-ENPIA3-4
-ENPIA5-6
-ENLAT
-EN LA T
-ENPIA.1-2
-ENPIAl-2
-WTCt<~
-DATAb
-DATA6
+WRITE
+WRITE
-DATA7
-DATA7
-DATA5
-DATA5
-OATA4
-0 AT A4
+READ
+READ
-ME"'SL
-HALT
+RESET
8)323370 B
OESTINATION
ORIGIN
B03218
B0322A
B0325B
903268
803278
B0328B
B0329B
B0330B
B03318
603378
B0338A
B0341A
803418
B0342A
B0343B
B0407B
80408A
B0408A
B0408B
B04l0A
80410B
B0411B
B0412A
f30413A
B0413B
00414A
B0415A
B0415A
B0416A
B04161.
B0416B
B0417A
B0417A
80417B
B04178
B0418A
B0419A
BO,.19B
B0420A
B0420B
a0421A
B0421A
804218
B0421 B
80 4 24B
80425A
80425A
B0426A
R0426A
B04~6R
80426B
BO"26A
a0428A
B0428B
B0428B
80429A
B0429A
B04298
B0431A
B0438B
e
LEVEL
I
SHEET NO.
5
IRE~.
NOTES
A042ZA 1
A0410B 1
AO 22 5 A 1
B0242A 1
A0224B 1
A0222 A 2
R0237A 1
A0221B 1
A0220A 1
A04076 1
A04?2B 1
A0113B 2
A0113A 2
A0433A 1
B02158 1
BOlO9A 1
BO 204 A 1
901136 2
A0119B 1
A0120A 1
A0121A 1
A01l0B 1
AOl19A 1
AOll7B 1
AOl18A 1
AOI18B 1
B0203B 1
BOI03A 2
A0205A 1
B0103B 2
A0108B 1
A02058 1
B0108A 2
A0204B 1
B0108B 2
AOZ09B ?
AOI08A 1
B01~OB
B0208A
B0309A
AOIIOa
B0130A
BO 22 5A
BOllIA
A01IlA
A0204A
BOI05A
B0229A
B0104B
B0203A
B0104A
B02't3A
B0105B
802438
BOI01B
B0241B
80107A
A0110A
B0129A
B0128A
1
1
1
1
2
2
1
1
1
?
2
1
1
2
1
2
1
2
1
2
1
1
1
6-7
. -f
(
SECTION 7
PARTS DATA
,~
I
"--.-.
7
PARTS DATA
INTRODUCTION
This section provides an Illustrated Parts Breakdown
Spare Parts List for the TB216 Field Test unit.
Information
in
this
categories as follows:
section
is
divided
into
two
and
a
major
•
Illustrated Parts Breakdown
This breakdown provides
part number information for all field replaceable items.
•
Spare Parts List parts.
This
is
a
list of
recommended spare
NOTE
illustrated
parts
Parts
listed
in
the
br eakdown , bu t not in the spare parts list,
time
i terns
subj ect
to
may
be
long lead
significant delays.
83323370 C
7-1
SECTION 7A
ILLUSTRATED PARTS BREAKDOWN
ILLUSTRATED PARTS BREAKDOWN
7A
I
GENERAL
The Illustrated Parts Breakdown provides the information needed
to
order' field
replaceable
parts.
This
information
is
presented in assembly illustrations and parts lists.
The symbols used in this section are explained in the following
paragraphs' along with a definition of some of the abbreviations
used. Refer to the front of this manual for a complete list of
abbreviations
The illustrated. parts breakdown is structured as follows.
Each
major assembly is shown in an exploded view and assigned a
figure number.
More than one illustration per figure number
may be required for a· complex assembly.
In this case, the
illustrations are titled figure X (sheet 1); figure X (sheet
2), etc. The parts shown on the illustrations are numbered.
A
parts list for each illustration.
'l'he number s on the figure
correspond to the index numbers on the associated part lists.
In some cases, the parts list will have more than one page for
the corresponding sheet of figure.
The Illustrated Parts Breakdown is divided into four columns:
Index Number Column
The numbers given in this column
correspond to the numbers shown on the illustration. When more
than one entry is given for a particular index number, the use
of each part is defined in the Notes column.
Items may be
·listed without index numbers, and are mentioned -for reference
only. These items do not appear on the illustration.
Part Number Column - This column provides the eight digi t
number by which a part may be ordered.
There are several
conditions Mhen there will be an incomplete number or no number
at all.
83323370 E
7-3
The symbol # # in the part number column indicates that the
item is a recommended spare part, and that the part number ·is
located in the Spare Parts List section.
To find the part
number refer to the instructions for using the Spare Parts List
(section 7B)·.
Descr iption Column - This column gives the name and a brief
description of each part and assembly.
The relationship of
parts and assemblies is shown wi thin the column by means of
indentation.
When an item is idented more than the previous
item, it is part of the previous item.
When the· attaching hardware or associated parts for an item.
cannot be shown on the illustration, the note (ATTACHING PARTS)
or (ASSOCIATED PARTS) appears in the Descr iption column.
All
attaching/associated parts for the previously listed part or
assembly are listed beneath this note and are separated from
the rest of the parts list by the symbol ---*---.
/
When necessary, items
left side.
Right and
of the FTU.
are identified as being right side or
left are determined by facing the front
Notes Column - This column defines any mul tiple part number
entr ies for a single :index number.
Multiple entr ies may be
necessary to identify differences such as machine configuration
(for example, the part issued on a series code XX unit with the
Engineering Change Order (ECO) XXXX installed).
Information
that is unique to one particular equipment or application will
also be noted in this column.
83323370 E
7-5
8
2~1
SIC 25 & ABV
WI 54344
--A-9-1700C
Figure 7-1.
7-6
Final Assembly
. 83323370 F
PART DESCRIPTION
7-1
7-1
1
82338800
82338802
10125712
FINAL ASSEMBLY
FINAL ASSEMBLY
SCREW, Flat Head,
6-32 x 1/4
WASHER, Counter Sunk Lock
NUT, 6-32
3
93201002
10125105
4
10126401
5
10125605
WASHER, External Tooth
Lock 6
WASHER, Flat, 6
6
7
75020900
75020901
75129600
HINGE, Lid Support
HINGE, Lid Support
ARM, Hinge
7
75129601
ARM, Hinge
7
72874900
BRACKET, Hinge
7
72874700
BRACKET, Hinge
8
9
75144600
54285300
75147300
SUITCASE ASSEMBLY
COMPONENT ASSEMBLY, ZPV
ENVELOPE, C. B., Foam
POWER SUPPLY ASSEMBLY
(see Figure 7-5)
SCREW, Pan Head, Machine,
6-32 x 5/16
FRONT PANEL ASSEMBLY
(see Fugure 7-2)
COMPONENT ASSEMBLY, JKX
COMPONENT ASSEMBLY, JHX
COMPONENT ASSEMBLY, -JJX
COMPONENT ASSEMBLY, JGX
ADAPTER, CMD, Head
Alignment
WASHER, Internal Tooth,
Lock, 6
SCREW, Pan Head, Machine,
6-32 x 1/2
SCREW, Pan Head, Machine,
8-32 x 1/2
2
6
10
11
12
10127112
13
14
15
16
17
18
##
##
##
##
75886001
19
10126103
20
10127114
20
10127123
83323370 F
NOTE
TB216A
TB216B
SIC 25 & B1w,
WIO 54344
SIC 25 & B1w,
WIO 54344
SIC 25 & B1w,
WIO 54344
Right Hinge
Left Hinge
Right Arm,
SIC 25 & B1w,
WIO 54344
Left Arm,
sic 25 & B1w,
WIO 54344
Right Side,
SIC 25 & Abv,
WI 54344
Left Side,
SiC 25 & Abv,
WI 54344
TB216A only
TB216A only
TB216A only
SiC 25 & B1w,
wi 54344
siC 25 & Abv,
WI 54344
7-7 •
II~gEXI
PART
NO
PART DESCRIPTION
75145801
FINAL ASSEMBLY
ADAPTER CABLE ASSEMBLY,
34 Pin (B 7)
75145802
ADAPTER CABLE ASSEMBLY,
75 Pin (A6)
75145803
ADAPTER CABLE ASSEMBLY,
34 Pin (B3)
75145804
ADAPTER CABLE ASSEMBLY,
75 Pin (A10)
75146000
ADAPTER CABLE ASSEMBLY,
60 Pin (A8)
CABLE
ASSEMBLY,
LINE
120 V
HEAD ALIGNMENT CABLE
ASSEMBLY
LEAD,
Red, Head
TEST
Alignment,
TEST LEAD, Black, Head
Alignment,
ASSEMBLY,
CMD,
CABLE
Head Alignment
CABLE ASSEMBLY, CMD,
Head Alignment
TERMINATOR ASSEMBLY, AMEN
7-1
83271600
77440300
94389927
94389907
77612337
75882394
50151700
83323370 E
NOTE
MUX I/O - B
Cable TB216A
only
STD I/O - A
Cable TB216A
only
STD I/O - B
Cable TB216A
only
MUX I/O - A
Cable TB216A
only
STD OR MUX
I/O - A Cable
I
TB216A only
TB216A only
TB216A only
TB216A only
TB216A only
TB216B only
7-9
Figure 7-2.
Front Panel Assembly
7-1083323370 C
II:gEX\
PART
NO
PART DESCRIPTION
7-2
75144500
FRONT PANEL ASSEMBLY
7-2
75144501
FRONT PANEL ASSEMBLY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
-18
19
20
21
22
23
24
25
26
27
28
29
66301754
66301717
66301718
66301719
66301730
66301731
66301732
66301742
66301743
66301744
66301789
66301790
66301791
66301792
66301793
66301794
66301795
66301803
66301804
66301800
66301796
66301797
66301806
66301805
66301798
66301799
66301802
66301801
10127122
30
31
10126104
10127113
32
93114284
33
34
10125103
93114283
35
75145000
CAP, on
CAP, 1 rr
CAP, 2 n
CAP, 3 rr
CAP, 411
CAP, 5 tl
CAP, 6 11
CAP, 7 n
CAP, 8 n
CAP, 9 n
CAP, Art
CAP, liB tl
CAP, "C n
CAP, "Drr
CAP, "En
CAP, "F tl
KE~ CAP, "HEX"
KEY CAP, "DISP"
KEY CAP, "CLR ENT"
KEY CAP, "LOAD"
KEY CAP, "DEC"
KEY CAP, "BIT"
KEY CAP, "SEL DRV II
KEY CAP, "CLR FLT"
KEY CAP, "RTZ"
KEY CAP, "CLR"
KEY CAP, II GO"
KEY CAP, II STOP"
SCREW, Ph ill ips,
8-32 X 3/8
WASHER, Lock, 8
SCREW, Phillips,
6-32 X 3/8
STANDOFF, Hex,
8-32 X 1.312
WASHER, Lock, 6
STANDOFF, Hex,
6-32 x 1.062
PANEL, Tester Front
35
47391800
PANEL, Tester Front
83323370 F
NOTE
SIC 25 & B1w,
WIO 54344
SIC 25 & Abv,
WI 54344
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
KEY
SIC 25 & B1w,
WI 54344
SIC 25 & Abv.,
WI 54344
7-11
\ INDEX/ PART
NO _ NO
I
7-2
36
37
38
39
40
95644000
95644001
##
##
41
83323370 F
PART DESCRIPTION
FRONT PANEL ASSEMBLY
JACK, Red Banana
JACK, Black Banana
CABLE AND SWITCH ASSEMBLY
KNOB, Skirted
CONTROL PANEL ASSEMBLY
(See F igur e 7-4)
LOGIC CHASSIS ASSEMBLY
(S e e Fig ur e 7 - 3 )
NOTE
Figure 7-3.
7-14
La g1.C
. Chass'1.S Assembly
83323370 C
PART DESCRIPTION
3
75144100
75148300
95001403
95655429
4
93592546
5
6
7
82316700
82311801
82316602
8
9
10
11
82311701
82316502
75144300
93592238
12
13
14
15
16
17
94385500
92318023
10127123
75148400
82314500
10125106
18
19
82319802
75148300
7-3
1
2
83323370 C
NOTE
LOGIC CHASSIS ASSEMBLY
COVER, Lower Logic
TAPE, Double Coated
SCREW, Type B Flat Head,
8-18 x 3/8
SCREW, Washer Head Hex
8-32 x 3/8
SPACER
LABEL, Marker
BAR, Card Guard,
Mounting
GUIDE, Circuit Card
SUPPORT, Card Guide
WIREWRAP PANEL ASSEMBLY
SCREW, Washer Head, Hex
10-24 x 3/8
GROMMET, Saftey Trim
INSULATIOR, Fish Paper
SCREW, Pan Head, 8-32 x 1/2
COVER, Logic Upper
GUIDE, Card Center
NUT, Machine, Hex,
8-32 x 1/2
BAR, Mounting Guide
COVER, Lower, Logic
7-15
~1
6---r
9-1703B
Figure 7-4.
7-16
Control Panel Assembly
83323370 C
!I:gEX!
P:T
7-4
1
2
75144400
54283300
10127112
3
4
5
93114217
75148603
75148602
6
7
54281700
75148600
8
9
10
54282100
75148601
75148604
!
PART DESCRIPTION
!
NOTE
CONTROL PANEL ASSEMBLY
COMPONENT ASSEMBLY,
ZJV
SCREW, Pan Head,
6-32 x 5/16
STANDOFF, Hex, 0.875, 6
CABLE, Control Panel
CABLE, Test Point,
Read/Wri te
TEST POINT BOARD ASSEMBLY
CABLE, Test Point,
I.O. Signal
LED BOARD ASSEMBLY
CABLE, LED Display Board
CABLE, JKX LED Display
Board
-
c
83323370 ·C
7-17
I
9-1704(l)C
Figure
7-18
7~5.
Power Supply Assembly (Sheet 1 of 2)
83323370 F
PART DESCRIPTION
7-5
1
701169XX
75146400
2
93592158
3
24556501
3
10128000
4
10125105
75147203
10127113
5
6
7
8
9
##
10
11
94168004
95634806
95655543
12
70110000
12
70110002
13
14
10125107
10126402
15
16
17
18
19
10125605
75146300
10127111
##
75147100
20
21
92006913
10126103
83323370 F
NOTE
POWER SUPPLY ASSEMBLY (Sheet 1)
COVER, Transformer
Terminal Board
SCREW, Self-Tapping
Hex Head, 6-32 x 1/4
SIC 25 & B1w,
CONNECTOR, 120 V
W/O 54343B
SiC 25 & Abv,
CONNECTOR, 120 V
W/ 54343B
NUT, Hex, 6-32
FOAM, 1/4 Inch Thick
SCREW, Pan Head, Machine,
6-32 x 3/8
FILTER, R.F.
NOT USED
SLEEVING, Clear
NUT, U Type Speed
SCREW, Sheet Metal,
10-16 x 1/2
TRANSFORMER ASSEMBLY
SIC 25 & B1w,
WIO 54343B
SIC 25 & Abv,
TRANSFORMER ASSEMB.LY
W/ 54343B
NUT, Hex, 10- 24
WASHER, External Tooth
Lock, 10
WASHER, Plain, 6
COVER, Fan Capacitor
SCREW, 6-32 x 1/4
CIRCUIT BREAKER
BRACKET, Mounting
Connector Circuit Brkr.
PLATE, Warning
WASHER, Internal Tooth
Lock, 6
7-19 •
13~
8
~
13~
-U
9
6
5
...__22
12~T ,)
/~~V·
11
\
10
\
2
23
1
6
9-1704(2)B
7-20
Figure 7-5. 'Power Supply Assembly (Sheet 2)
83323370 C
PART DESCRIPTION
7-5
1
2
75147000
93592158
5
10127115
##
75145400
5
75145401
5
75145402
6
7
8
95661326
00863717
10126105
9
10
11
12
94305529
92691003
95634801
95655517
13
14
15
16
95661324
75148500
##
10126103
17
10127112
18
93541010
19
20
21
22
75147700
93106206
93041106
17901508
3
4
]
,'NOTE
POWER SUPPLY ASSEMBLY (Sheet 2)
COVER, Power Supply Board
SCREW, Self-Tapping,
Hex Head, 6-32 x 1/4
SCREW, 6-32 x 5/8
COMPONENT ASSEMBLY JGV
SIC 25 & Blw,
HOUSING, Tester
W/O 54344
HOUSING, Tester
SIC 25 W/
54344, W/D
54343B
SIC 25 & Abv,
HOUSING, Tester
W/54343
CAPACITOR, 83 UF, 15 V
CLAMP, Capacitor Mounting
WASHER, Internal Tooth
Lock, 10
BUSHING, Snap-in
CLAMP, Capacitor Mounting
NUT, U Type Speed
SCREW, Sheet Metal,
6-20 x 1/2
CAPACITOR, 18 UF, 15 V
BOX, Blower Mounting
FAN, Axial, 50/60 Hz
WASHER, Internal Tooth,
Lock, 6
SCREW, Pan Head Machine,
6-32 x 5/16
TERMINAL, Ring Tongue
22-16, #4-6
BRACKET, Block Terminal
MARKER, Terminal Strip
STRIP, Terminal
SCREW, Thread Rolling,
6-32 x 1/4
NOTE:
The following items are not
shown.
75149600
AC/DC HARNESS ASSEMBLY
75149601
AC/DC HARNESS ASSEMBLY
94277400
TIE STRAP, Cable
83323370 F
SIC 25 & B1w,
W/O 54343B
SIC 25 & Abv,
W/ 54343B
7-21
SECTION 78
SPARE PARTS LIST
c
(--------\
SPARE PARTS LIST
GENERAL
The Spare Parts List serves as an aid in
determining the interchangeability of
assemblies and parts to be spared. An
example of the columns used in the Spare
Parts List is shown on the next page.
NOTE
The spare parts list establishes
the support service level of the
unit. Individual parts, assem-
parts list to the associated figure number, page number, and index number in
the illustrated parts breakdown.
Description - This column gives the name
and a brief description of the part or
assembly. This column also tracks series code history information.
Part Number and Replacement Part NumberThese columns provide an eight-dig1t
blies, or components not on this
number.
list may be long lead time,items
subject to significant delays.
columns is that the Part Number column
gives all the possible part numbers used
for a particular part or assembly, while
the Replacement Part-Number, column gives
the interchangeable spare part number.
The Spare Parts List is divided into
four columns:
Items Appear On - This column crossreferences the part number in the spare
"83323370 C
The difference between the two
Notes - This column provides additional
1nformation such as Field Change Order
(FCO) , Special Purchase Order (SPO) ,
serial number, and machine configuration.
7-23
EXAMPLE OF SPARE PARTS LIST
ENGINEERING RECOMMENDED SPARE PARTS LIST
ITEMS APPEAR ON
-l
No.
Fig
3-11
I
No. No.
DESCRIPTION
Page Index
3-37
25
CONTROL. PANEL ASSEMBLY
Used SiC 14 and above
Used SiC 14 and above
In the example above, the control panel
assembly is referenced as index 25 on
figure 3-11, which appears on page
7-24
•
PART
NUMBER
REPLACEMENT PART
NUMBER
wwwww
xxxxx
YYYYY
ZZZZZ
NOTES
Single Channel
Dual Channel
3-37. The original part number for
single-channel units was wwwww; order
part number XXXXX if it must be replaced.
83323370 C
",
ENGINEERING RECOMMENDED SPARE PARTS LIST
ITEMS APPEAR ON
Fig _/ Page / Index
No.
No. No.
83323370 E
PART
NUMBER
REPLACEMENT PART
NUMBER
CONTACT, Wirewrap
Used SIC 14 & Above
82315001
82315001
ROM, 5904
Used SIC 26 & Above
50257904
50257904
Older units
converted to this
configuration by
FCO 54327.
ROM, 5905
Used SIC 26 & Above
50257905
50257905
Older units
converted to this
configuration by
FCO 54327.
LED, Green
Used sic 14 & Above
94372504
94372504
LED, Red
Used SIC 14 & Above
94372501
94372501
MICROPROCESSOR, 6802
Used SiC 14 & Above
15163603
15163603
RAM, IC
Used SiC 14 & Above
15163400
15163400
SWITCH, Keyboard
Used SIC 14 & Above
94363700
94363700
SWITCH, Momentary
Used SIC 14 & Above
94263934
94263934
DESCRIPTION
NOTES
7.;.25 •
ENGINEERING RECOMMENDED SPARE PARTS LIST
ITEMS APPEAR ON
Fig _/ Page / Index
No.
No. No.
7-1
7-1
7-1
7-1
7-2'
7-2
• 7-26
7-4
7-4
7-4
7-4
7-4
7-6
14
15
16
17
38
39
PART
NUMBER
REPLACEMENT PART
NUMBER
SWITCH, SPDT
Used SIC 14 & Above
94263932
94263932
SWITCH, SPDT, Center Off
Used SIC 14 & Above
94263933
94263933
JKX CaMP ASSY -- Loc BOI
AJKX -- Used sic 14 & Above
76965500
76965500
JHX CaMP ASSY -- Loc B02
AJHX -- Used SiC 14 & Above
76964700
76964700
76965100
76965103
76965104
76965104
76965104
76965104
76964300
76964301
76964304
76964301
76964301
76964304
CABLE AND SWITCH ASSEMBLY
Used siC 14 & Above
75145600
75145600
KNOB, Skirted
Used SIC 14 & Above
93152007
93152007
DESCRIPTION
JJX CaMP
AJJX
BJJX -CJJX --
ASSY
Used
Used
Used
JGX COMP
AJGX
BJGX -CJGX --
ASSY
Used
Used
Used
NOTES
-- Loc B03
sic 14-18
SiC 19-21
siC 22 & Above
-- Loc B04
SiC 14-23
SIC 24-25
SiC 26 & Above
83323370 E
I
ENGINEERING RECOMMENDED SPARE PARTS LIST
ITEMS APPEAR ON
Figo/page/rndeX
No.
No.
7-5
7-14
7-5
7-5
7-5
7-12
7-14
7-12
83323370 E
PART
NUMBER
REPLACEMENT PART
NUMBER.
54252500
54252500
FILTER, R.F.
Used SiC 14 & Above
94348403
94348403
FAN, Axial, 50/60 Hz
Used siC 14 & Above
94390000
94390000
CIRCUIT BREAKER
Used siC 14 & Above
95587003
95587003
DESCRIPTION
No.
4
7
15
18
JGV COMP ASSY -- Loe Al
AJGV -- Used SiC 14 & Above
NOTES
7-27 •
COMMENT SHEET
MANUAL TITLE:
IEVISION:
PUBUCA TION NO.:
NAME_·___________________________________________________________________
OOMPANY: _______________________________________________________________
STREET ADDRESS: _____________________________________________________
aTY: _______________________ STATE: ____________ ZIP OODE: ______________
This form is not intended to be used as an order blank. Control Data Corporation welcomes your evaluation of
this manual. Please indicate any errors, suggested additions or d.~etionl, or general comments below (please
include Pose number references).
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L()I
°1
i!
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NO POSTAGE STAMP NECESSARY IF MAILED IN U.S.A.
FOlD ON DOTTED LINES AND TAPE. POSTAL IEGULAT10HS P'lOHlIIT THE USE Of STULIS.
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FOLD
FOLD
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I
I
83323370 (::.J
..,
f';:J c:\ CONT~OL DATA
\!:I r:!I CORPOR{\TION
CDC~
FIELD TEST UNIT
TB216
GENERAL DESCRIPTION
OPERATION
THEORY OF OPERATION
MAINTENANCE
DIAGRAMS
WIRE LISTS
PARTS DATA'
HARDWARE MAINTENANCE MANUAL
REVISION RECORD
,
I
DESCRIPTION
I REVISION
I
I
Preliminary manual released.
,
01
I------------~----~~-----------------------------------------,
(11-21-78)
I
02
Preliminary manual revised with technical
I
changes.
(02-12-79)
I
,
A
Manual released with ECOs 55123 and 55224.
I
(03-27-79)
I
B
Manual updated with- ECOs 54243, 54272A, plus
(5-7-80)
additional technical and editorial changes.
C
Manual updated with ECOs 54256 and 54290 plus
(8-22-80)
technical and editorial changes.
This edition
obsoletes all previous editions.
I
I
D
Add Appendix A.
I
I
(12-08-80)
I
E
Manual updated with ECO/FCO 54327.
Appendix A I
(4-1-81)
deleted.
Technical and editorial changes.
This'
edition obsoletes all previous editions.
I
F
Manual updated with ECOs 54344, 54343B, plus
I
(11-4-81)
additional technical and editorial changes.
I
G
Manual updated with ECO 10034A. Technical and
I
I
editorial changes.
I
I (11-5-82)
I
,,,
,
.
,
,
,
,
,
,
,
,
,
,
,
,
,
,
,,,
,
,,I
,
,
I
I
,,
I
I
I
,
,I
,I
I
I
I
I
I
I
,,
I
------------~--------------------------------------~------I
REVISION LETTERS I, 0, Q
AND X ARE NOT USED.
(c) 1978,1979,1980,1981,1982
By Control Data Corporation
Printed in the United States
of -America
ii
Address comments concerning this
manual to:
Control Data Corpor~tion
Technical Publications Dept.
7801 Computer Avenue
.
Minneapolis, Mn 55435
or use Comment Sheet in the back
of this manual.
83323370 G
MANUAL TO EQUIPMENT LEVEL CORRELATION
This manual
refle~ts
the equipment configurations listed below.
EXPLANATION:
Locate the equipment type and series code number,
as shown on the equipment FCO log, in the list below.
Immediately to the right of the series code number is an FCO number
If that number and all of the numbers underneath it match- all
of the numbers on the equipment Fca log, then this manual accurately reflects the equipment.
EQUIPMENT
TYPE
TB216
83323370 G
SERIES
CODE
14
15
16
17
18
19
20
21
22
23
24
25
26
27-31
vlITH
FCOs
COMMENTS
None
None
None
None
None
None
None
None
None
None
None
None
54327
None
iii
LIST OF EFFECTIVE PAGES
Sheet 1 of 4
New features, as well as changes, deletions,
and additions to information in this manual are
indicated by bars in the margins or by a dot
near the page number if the entire page is
affected.
A bar by the page number indicates
pagination rather than content has changed.
PAGE
REV
PAGE
REV
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Cover
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Title P
ii
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v
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S-l Di v
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83323370 G
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C
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c
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2-23
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2-21
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2-32
F
C
F
C
2-33
2-34
2-35
E
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E
C
E
E
v
LIST OF EFFECTIVE PAGES{C~~td)
Sheet 2 of 4
PAGE
REV
PAGE
REV
2-36
2-37
E
E
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F
2-73
2-74
2-75
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2-38.1
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83323370 G
-c
Head Alignment
2-67
General
2-67
FTU preparation
2-68
Offset Displays
2-69
Status Bytes
2-71
General
2-71
Tag-Bus I/O (0)
2-72
Cylinder (1)
2-72
Head (2)
2-72
Record (3)
2-72
Sector (4)
2-72
Pattern (5)
2-72
Address Error Counter
3.
--
(6)
2-73
Data Error Counter (7)
2-73
Flag/pass Counters (8)
2-73
Seek Counter (9)
2-73
Average Access Time (A)
2-73
Access Time Counter (B and C)
2-73
Cylinder Destination 1 (D)
2-73
Cylinder Destination 2 (E)
2-74
MUX Status (F)
2-74
Theory of Operation
Introduction
3-1
Microprocessor Card
3-1
I/O Control Card
Read/Write Control Card
3-1
3-2
Control Panel Interface Card
3-2
Led Display Board
3-2
Control Panel Board
3-5
Test Point Board
3-5
Power Supply
3-5
83323370 C
xiii
h __ "
4.
Maintenance
Introduction
Power Supply Voltage Check and Adjustments
Processor Test
Lamp- Test
Self Test
Electrostatic Discharg~ Protection
Electrostatic Discharge Protection
Handling Electrostatically Sensitive Assemblies
Handling Electrostatically Sensitive Logic ~ards
5.
Diagrams
Introduction
6.
~vi re List
Introduction
Reading Wire Lists
Signal Name
Origin/Destination
Z Level
7. Parts Data
Introduction
7A.
Illustrated Parts Breakdown
General
7B. SPARE PARTS LIST
General
7C. Card Interchangeability Chart
General
xiv
4-1
4-1
4-3
4-3
4-4
4-14
4-14
4-14
4-15
5-1
6-1
6-1
6-1
6-1
6-2
7-1
7-2
7-1
7-27
83323370 G
FIGURES
1-1
TB216 Field Test Unit (FTU)
1-3
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
Acessing Terminal Strip
2-2
Terminal Strip Connections
Cable Identification
I/O Cable Hook-Up
FTU Front Panel
X -- N Test
Loading Data into FTU
Device Type Code Determination
Read/Write Data Format Diagram
Functional Block Diagram
2-4
2-9
3-1
4-1
5-1
7-1
7-2
7-3
7-4
7-5
2-6
2-8
2-10
2-18
2-33
2-38
2-44
3-3
Switch Test Display
4-9
Diagram Title Block
Final Assembly
Front Panel Assembly
Logic Chassis Assembly
Control Panel Assembly
Power Supply Assembly
5-2
83323370 G
7-4
7-8
7-12
7-14
7-16
xv
... --
TABLES
1-1
TB2l6-A Specifications
1-4
2-1
I/O Cable Configurations
2-5
2-2
Controls and Indicators
2-11
2-3
Test Points
2-30
2-4
Device Type Codes
2-36
2-5
Data Field Length
2-43
2-6
Sector and· Data Record
2-7
Manual Tags
2-48
2-8
Status Bypassbit Table
2-49
2-9
Head Alignment Displays
2-10
Status Bytes
2-71
2-75 .
3-1
FTU Circuit Elements
3-6
4-1
Maintenance Tools
4-2
4-2
Voltage Adjustments
4-3
4-3
Error Address
4-6
4-4
Switch Test Initial Setup
4-7
5-1
Contents Of Diagrams
5-3
xvi
Rela~ionship
2-46
83323370 G
TABLE 2-2.
Control/Indicator
CONTROLS AND INDICATORS (Contd)
Function
DIRECT SEEK
When the GO key is pressed, the dr i ve
seeks to the particular cylinder stored
in the destination register.
with the
SINGLE/CONT switch in the CONT position
and the EaT STOP switch up, the seek
will be commanded 10 000 times.
wi th
the EOT STOP switch down, the seek will
be commanded until the STOP key is
pressed.
DIRECT CaNT
The drive continuously seeks between
cylinder zero and the cylinder stored
in the destination register until the
STOP key is pressed.
The drive can be
commanded to seek continuously between
two tracks other than the zero track by
loading the first track in the destination
reg ister,
swi tching
to
DIRECT
SEEK, and then pressing the GO key; after switching to DIRECT CONT and reloading the destination register with
the second track, this type of continuous seeking will occur from the time
the GO key is pressed until the STOP
key is pressed.
With the EaT STOP
switch up, 10 000 seeks will be performed.
SEQ FORWARD
The drive seeks to cylinder zero and
then sequences up to the maximum cylinder.
If the EOT STOP toggle swi tch
is in the up position, the test will
end.
Otherwise, the drive will return
to cylinder zero and continue to sequence up until the STOP key is pressed.
Table Continued on Next Page
.
{
..
~
...........
83323370 E
2-17
X· :: N :: 0
ENABLE
X SEEK
AL TE~NATE
X- N
SEEK
X
INCREMENT
N
NO
SEEK
YES
INCREMENT
X
SFT
N :: X
NOTES:
X • STARTING CYLINDER
N :: DESTINATION CYLINDER·
Ll2El
Figure 2-6.
• 2-18
x -- N Test
83323370 G
TABLE 2-2.
CONTROLS AND INDJCATORS (Contd)
Function
Control/Indicator
i
ICLR
key
This key clears the display
status, and resets the FTU.
and
all
It
I
_ _ _ _ _ _ _--+-_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .J
i
I
I
IGO k ey
I
Presslng thlS key
ted FTU operation.
initlates
the
selec-:
,------------------411--------------------------------------------------~!
!
1-
STOP key
I
LED Display
..Ij
Row 1 LEDs
I
f
I
I
I
I
When this key is pressed, the FTU
stopped at the end of the operation
progress.
A description of the condition,
each of the LEDs to be lighted,
en below.
is :
in ;r
i
1
causing
is giv-;
t
i
These LEDs indicate in binary form data
that has been loaded into the FTU memory.
Possibilities include:
a. A keyboard data entry that
loaded with the LOAD key.
b. A previous entry indicated
DATA SELECT rotary switch.
has been
by
the
I
!
d. Self test information.
I/O RDY LED
i
I
c. A status word.
Row 2 LEDs
II
These LEDs indicate data that has been
entered on the keyboard before the LOAD
key has been pressed.
It also displays
the code of the status word, when a
status word is being displayed, head
alignment offset, and the address of a
failed component during self test.
This LED indicates that a device type
code
has been
loaded and
that
the
transmitters and receivers have been
_ enabled •
. . -------------!....----------------------------------.-._... __... - - Table Continued on Next Page
83323370 G
2-27
I
"TABLE 2-2.
CONTROLS AND
INDICA~ORS
(Contd)
Function
Control/Indicator
UNIT RUN LED
The drive is in the process
forming a commanded operation.
of
per-
ON CYL LED
The FTU is receiving an On Cylinder
signal from the drive.
The On Cylinder
'LED flashes when an On Cylinder condition is disrupted.
RDY LED
The FTU
is
receiving
signal from the drive.
WT PROT LED
The FTU is receiving
signal from the drive.
a
Write
The FTU is receiving
signal from the drive.
a
Unit
II
i
I
SELD LED
i
I"
i
SEEK ERROR LED
!
I
I
i
FLT LED
BUSY LED
Ii
I
II
a
Unit
Ready
Protect
Selected
The FTU is receiving a
nal from the drive.
Seek Error sig-
The FTU is receiving
from the drive.
a
Fault
signal
The FTU is receiving a Busy signal from
the drive.
The BUSY LED will also
f lash while the FTU is wai ting for a
Ready signal during a select drive command.
FLAG LED
This LED lights when a flag is read.
If the WRITE FLAG switch 1S OFF the
FLAG LED goes off when the next" head is
selected.
If the WRITE FLAG swi tch is
ON, the FLAG LED stays on and the test
stops, until the CLR key is pressed.
DATA ERR LED
This LED lights when the FTU has detected a discrepancy between the data pattern written by the drive and the data
pattern read by the drive.
If the DATA
ERROR OVERRIDE swi tch is on, the DATA
ERR LED goes off when the next head is
selected.
If the DATA ERROR OVERRIDE
switch is off, this LED stays lighted
and the test halts.
A time out" during
.------------------------------------------------------------------~~
Table Continued on Next Page
I.
2-28
83323370 G
TABLE 2-7.
MANUAL TAGS
.-FTU
KEY/LED
STD I/O
Bit
--
F
MUX I/O
Bit
--
Data Entry Swi tch
Pos i tioned To Head
Mux
Bus
In
Bit
0
E
Tag 3
Tag 2
1
D
Tag 2
Tag l
2
C
Tag 1
Tag O
3
4
A
--
---
9
Bit 9
--
6
8
Bit 8
--
7
7
Bit 7
Bus Out Bit 0
-
-
-
6
Bit 6
Bus Out Bit 1
-
-
5
Bit 5
Bus Out Bit 2
-
-
4
Bit 4
Bus Out Bit 3
-
-
3
Bit 3
Bus Out Bit 4
-
-
2
Bit 2
Bus Out Bit 5
-
-
-
1
Bit 1
Bus Out Bit 6
-
-
-
0
Bit 0
Bus Out Bit 7
-
-
-
--
B
" ."
83323370 E
5
2-47
~..
--
STATUS BYPASS
The FTU will normally not send commands to drive if error conditions are present.
For special test purposes; it is possible
to over ride this condition and continue exercising the drive
by positioning FTU front panel switches as follows:
I
1.
Rotate DATA ENTRY switch to STATUS BYTES position.
2.
Press F key.
3.
Press CLR ENT key.
4.
Press BIT key.
5.
Enter appropriate bypass bites) from table 2-8.
Row 2
LEDs will display the bypass bites) of error condition in
row 3 directly below it.
6.
Press LOAD key.··
7.
Press F key.
TABLE 2-8.
Bit Display
Bypass Bit
STATUS BYPASS BIT TABLE
Bypass Status
2 13
D
On Cylinder
.212
C
Tag Gate In (RDY)
A
Selected
9
Seek Error
28
8
Fault
2 15
F
Time Out
214
E
Continuous Updated MUX Status
2 10
I
r
~
29
i
The FTU is now programmed to continue exercising the drive despite error condition.
2-48
83323370 G
ACCESS TIME CHECK.
The FTU automatically calculates the time that the drive requires to perform a seek operation.
The operator can use
either of two methods, EOT (End of test) stop or manual stop,
to obtain this time.
Using the EOT stop method, the FTU indicates the access when the drive takes to complete the entire
test (10 000 seeks for random, direct continuous, or sequential
and 1 cycle for X - N).
Using the manual stop method the FTU
indicates the access time for any number of seeks.
The FTU uses a crystal oscillator to generate the time base for
the access time check.
Due to tolerances and differences between crystals, the access time indicated by the FTU may vary
slightly from the actual time.
Therefore, when the FTU is
first used and periodically thereafter (due to changes in crys~
tal characteristics) the access time should be checked.
This
is done by checking it against a known time standard and noting
the percentage of deviation.
The following procedures explain both methods of calculating
access time and also describe a method for verifying that the
FTU is calculating the time correctly.
For specific access time information refer to the test and
adjustments procedures in the specific drive maintenance manual.
EOT Stop Access Time Check
1.
Set SINGLE/CONT switch to CONT and EOT STOP/OFF switch to
EOT STOP.
2.
Command desired seek operation.
3.
Rotate DATA ENTRY switch to STATUS BYTES position,
A key, and read access time from ROW .1 LEDs.
press
Manual Stop Access Time Check
1.
Set SINGLE/CONT and EOT STOP/OFF switches to desired positions.
2.
Command desired seek fUnction.
3.
Rotate ACCESS SELECT switch to C position.
4.
Press GO key.
5.
Rotate DATA ENTRY switch to STATUS BYTES position,
A key, and read access time from ROW 1 LEDs.
83323370 G
press
2-65
I
~.-.
FlU Access Time Verification
1.
Connect oscilloscope to observe on-cylinder signal at
drive.
Note that the on-cylinder signal referred to here
remains active all during the time the drive is on cylinder.
Do not confuse it with the on cylinder pulses,
which are active only for a short time after the drive
reaches on cylinde~.
2.
Command drive to perform direct seek by· performing steps
1 through 8 of Di rect Seek/Access Only procedure.
Observe and note how long the on-cylinder signal remains
inactive (on-cylinder goes inactive when the seek begins
and active again when the seek ends).
3.
Rotate ACCESS SELECT switch to position C.
4.
Rotate DATA ENTRY switch to STATUS BYTES position,
GO key, and read-access time from ROW 1 LEDs.
5.
Calculate percentage of deviation between values obtained
in steps 2 and 4 by using the following formula.
press
% of Deviation = Oscilloscope Value - FTU Value X 100
FTU Value
I
Example:
Assume oscilloscope value (from
100 ms and FTU value (from step 4 is 125 ms.
step
2)
is
% of Deviation = 100 - 125 X 100 = -20%
125
6.
Write value from step 5 on piece of tape and attach tape
to upper right hand corner of FTU front panel.
During
subsequent access time checks, use percentage of deviation to calculate actual access time.
FLAGGING A BAD TRACK
With the ERROR OVERRIDE swi tches down any read test in progress, the FTU will stop exercising the drive in the event of a
data or address error.
Before flagging the track on which the
error occurred, first HRITE and then READ the track several
times to ensure that the error was not a random one.
1.
Program tester to command operations on bad track.
a. Place DATA ENTRY switch in STATUS BYTES position,
press the 1 key and observe cylinder address of bad
track in hexadecimal form on row 1 LEDs.
2-66
83323370 G
b. Press DISP key to move cylinder address to row 2 LEDs.
c. Place DATA ENTRY switch in DESTINATION position.
d. Press DEC
BCD.
key
to
convert
bottom display
from
hex
to
e. Press LOAD key.
2.
Program tester to command operations at bad head address.
a. Place DATA ENTRY switch in STATUS BYTES position,
press the 2 key and observe head address of bad track
in hexadecimal form on row 1 LEDs.
b. Press DISP key to move head address to row 2 LEDs.
c. Place DATA ENTRY switch in HEAD position.
d. Press DEC key to convert row 2 LEDs from hex to BCD.
e. Press LOAD key.
3.
Place HEAD toggle switch in MAN position.
4.
Set RECORD switch to SEQ position.
5.
Place ACCESS SELECT switch in DIRECT SEEK position.
I
NOTE
The log ical record number is not
the sector number (see table 2-7).
the
same
as
6.
Place RE/WRT SELECT switch in WRT/RD and SINGLE/CONT toggle switch in SINGLE position.
7.
Press GO key and note whether ADDR ERR or DATA ERR LEDs
light.
Repeat this step several time.
If either LED
lights consistently, the track is bad.
Flag bad track by
performing steps 8, 9, and 10.
Otherwise, skip to step
11.
8.
Place WRITE FLAG toggle switch in up position.
9.
Place RD/WRT SELECT switch in WRT FORMAT position.
10. Press GO key.
83323370 G
2-67
~
--
NOTE
When any operation other than formatting is
being done and WRITE FLAG toggle switch is in
up position, the FTU will stop when a write
flag is detected.
11. Place WRITE FLAG toggle switch in OFF position.
12. Press RTZ and CLR'keys.
13. Return to WRT/RD procedure
covering bad track.
in
progress
prior
to
dis-
RELEASING PROCESSOR FROM LOO~
The processor may get hung up in a loop if it· is -gi ven an
illegal command.
Then the keyboard STOP, GO, CLR, and RTZ keys
will have no effect ,on the condition of the UNIT RUN LED.
In
this
situation,
you
have
two
options.
One
option
is
initializing the FTU again by reentering all the' previously
entered parameters.
However, a more convenient option is the
following:
1.
Place PROCESSOR RUN/HALT switch in HALT position.
2.
Press STOP key.
3.
Place PROCESSOR RUN/HALT switch in RUN position.
4.
Press GO key.
The FTU will continue in the test at the point where the malfunciton occurred.
HEAD ALIGNMENT
General
This section is used with the head alignment procedure' in the
manual for the drive being tested.
That manual provides ' the
specific procedure and specifications for head alignment.
The
information here relates to operation of the FTU and interpretation of the displays of head offset on the FTU. -
2-68
83323370 G
5.
Using digital
table 4-2.
meter,
6.
Adjust any out of tolerance voltages through access holes
marked -5 and +5 VOLTAGE ADJ, in power supply board assembly cover.
TABLE 4-2.
measure
EXTENDER PIN NO.
+5 V
44A/B
02A/B
06A/B
GND
supply
voltages
per
VOLTAGE ADJUSTMENTS
VOLTAGE
-5 V
power
ADJUSTMENT CONDITIONS
+5.0
-5.0
I
± 0.05 V
± 0.05 V
. PROCESSOR TEST
1.
Set Circuit Breaker CBl, on power supply, to ON position
and ensure that +5 V and -5 V LEDs are lighted.
2.
Set PROCESSOR switches as follows:
SWITCH
PROCESSOR START/RESET
PROCESSOR RUN/HALT
3.
Ensure that
PROT, RDY,
these LEDs
function is
POSITION
START
RUN
+5, -5, RUN, BUSY, FLT, SEEK, ERR, SELD, WT
and ON CYL LEDs are not lighted.
If any of
are lighted, a prob9.ble microprocessor malindicated.
I
Lamp Test
1.
Rotate ACCESS. SELECT switch to LAMP TEST position.
2.
Press GO key.
83323370 G
4-3
< --
3.
Ensure that LEDs, on FTU front panel, flash and continue
to flash until STOP key is pressed.
Failure of LEDs to
light indicates a probable failure of:
o
LEDs
o
Decoder LED drivers
c
Data bus buffer
•
PIA 1
SELF TEST:
This test includes both a component check and switch test.
The
component check must be completed satisfactorily prior to performing the swi tch test to ensure the reliabili ty of switch
test results.
1.
Rotate ACCESS SELECT switch to SELF TEST position.
2.
Set ERROR
position.
3.
Rotate DATA ENTRY switch to DEVICE TYPE position.
4.
Rotate RD/WRT SELECT switch to WRITE FORMAT position.
5.
Set the following switches:
OVERRIDE
swi tch
SWITCH DESCRIPTION
HEAD
RECORD
SINGLE/CONT
-/+ OFFSET
EARLY/LATE
WRT FLAG
WRT PROT
AM/SECTOR
EOT STOP
SHIFT PATT
SEQ PWR
6.
I
4-4
DATA/OFF
and
ADDR/OFF
to
OFF
POSITION
SEQ
SEQ
CONT
CENTER (OFF)
CENTER (OFF)
OFF
OFF
SECTOR
OFF
DATA PATT
DON'T CARE
Press GO key, initiating component check.
83323370 G
7.
In terpret component check results as follows:
a. If LEDs RUN, +5, -5, RD, and 2 9 and 211 in row 2
LEDs are all lighted, FTU is operating properly, proceed to step 11 and perform switch test.
b.
If any LEDs, in step a, do not light the FTU has detected an error and is displaying the address of the
error causing component in row 2 LEDs (see table 4-3).
NOTE
Perform a repeat test or stop on error for
troubleshooting purposes by performing steps 8
through 10.
8.
Set EOT STOP/OFF and ERROR OVERRIDES switches to desired
operation in a or b.
a. Repeat ··test once and stop on error by setting EOT
STOP/OFF and ERROR OVERRIDE switches to OFF position.
b. Repeat test continuously and stop on error
positioning switches as follows:
o Set ERROR OVERRIDES switch to OFF position.
o
9.
only,
by
Set EOT STOP/OFF switch to EOT STOP position.
Set PROCESSOR START/RESET swi tch
to START position.
10. Press GO key.
to
RESET and
then
ba·ck
FTU is now repeating test.
11. Prepare FTU for switch test as follows:·
a. Set all
4-4.
switches
to
initial positions
shown
in
Table
b. Observe that all LEDs are off.
83323370 G
4-5
I
"C'
TABLE 4-3.
-. -.-
ERROR ADDRESS
Location Of Error
;Address Of
Card
Circult
:Error*
Type
Location
Type**
Location
Function
:----~------~~~----~~~~~~~~----~~~~~--~~~~~
i
JGX
A2A/B04
585
3841
MPU
!0088-8B
JKX
A2A/BOl
586
0741
PIA#l
1008C-8F
JHX
A2A/B02
586
4442
PIA#2
l0090-93
JHX
A2A/B02
586
5242
PIA#3
:0094-97
JHX
A2A/B02
586
5842
PIA~4
0098-9B
JJX
. ·A2A/B03
586
0429
PIA#5
009C-9F
JJX
A2A/B03
586
1329
PIA~6
00AO-A7
JGX
A2A/B04
587
0446
TIMER#l
00A8-AF
JGX
A2A/B04
587
1246
TIMER#l
00BO-B7
JGX
A2A/B04
587
1946
TIMER#3
00B8-BF
JGX
A2A/B04
587
2746
TIMER#4
1000-13FF
JGX
A2A/B04
2114L-2
0409
2114L-2
2609
iOOOO-007F
!
I
r
t ..
t
!
RAM
(Bits 0-3)
RAM
(Bits 4-7)
3000-37FF
JGX
A2A/B04
5905
2731
ROM
3800-3FFF
JGX
A2A/B04
5904
0431
ROM
*
Displayed in row 2 LEDs.
Data written is in Row 1,
Order; Data Read or Check Sum, is in Row 1, Low Order.
High
** This refers to CDC element number as shown on the logic diagrams see Normandale Circuits Manual (Publication Number
83322440) for more information.
• 4-6
83323370 G
TABLE 4-4.
SWITCH TEST INITIAL SETUP
Switch
Initial Position
!
I
I
DATA ENTRY
RE/WRT SELECT
ACCESS SELECT
HEAD/MAN, SEQ, RAN
RECORD/MAN, SEQ, RAN
PROCESSOR, START/RESET
PROCESSOR, RUN/HALT
PROCESSOR, STEP
SINGLE/CONT
-/+ (offset)
LATE/EARLY (strobe)
WRITE FLAG/OFF
WRITE PROT/OFF
AM/SECTOR
EOT STOP/OFF
ERROR OVERRIDES, DATA/OFF
ERROR OVERRIDES, ADDR/OFF
SHIFT PATT/DATA PATT
SEQ PWR/OFF
83323370 G
DEVICE TYPE
WRITE FORMAT
SELF TEST
SEQ
SEQ
START
RUN
down
CON'r
center
center
OFF
OFF
SECTOR
OFF
OFF
OFF
DATA PATT
OFF
4-7
I·
12. Perform switch test as follows:
a. Set switch to be tested to desired test position.
b. Refer to figure 4-1 and ensure proper LEDs.are lighted.
c. Return switch to its initial position (see table 4-4).
d. Repeat a
throug~
c for each switch tested.
e. Failure of switches indicates a probable failure of:
• 4-8
e
Switches
•
Data bus buffer
•
PIA 1
83323370 G
LED DISPLAY
&
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ROW 2
215
214
213
212
211
210
29
28
27
26
25
24
23
22
21
20
DEVICE TYPE
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
UNIT NUMBER
-
-
-
2
-
-
-
2
-
-
- - -
-
2
2
-
-
- -
-
2
-
-
-
-
-
2
-
2
-
2
2
-
-
2
2
2
2
-
-
-
-
-
-
DATA PATTERN
-
-
FIXED HEADS
-
0'
-
2
-
2
-
-
-
-
-
RECORD
-
-
-
-
-
HEAD
-
-
DESTINATION
-
-
-
-
-
-
-
-
DATA ENTRY
STATUS BYTES
SEEK INCREMENT
,
!
-
-
-
-
-
-
-
-
-
2
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- - - -
-
-
-
-
-
X
X
X
X
X
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
S
MPU ADDRESS
2
W
MPU DATA
2
I
B
2
-
T
C
2
2
-
-
-
C
D
2
2
-
2
H
E
2
2
2
-
-
E
F
2
2
2
2
-
-
WRT FORKd.T
X
X
X
X
X
WRT/RD FORMAT
-
-
-
-
-
S
-
-
-
-
-
-
-
-
-
X
X
X
X
X
X
-
-
-
2
-
2
-
-
-
2
2
2
-
2
-
-
-
-
-
2
2
-
-
-
-
-
-
RD/WRT SELECT
WRITE
READ
WRT/RD
ALIGNMENT
ACCESS ONLY
-
-
-
-
-
-
-
o
2
-
-
NOTES:
~ X = INDICATES INITIAL POSITION OF SWITCH. RETURN EACH SWITCH TO ITS INITIAL POSITION BEFORE TESTING
NEXT SWITCH
1
= INDICATES LIGHTED ROW 1 LED
2 = INDICATES LIGHTED ROW 2 LED
9H350-1
Figure 4-1.
83323370 G
Switch Test Display (Sheet 1 of 5)
4-9
I
..."
LED DISPLAY
--
.&
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ROW 2
215
214
213
212
211
210
29
28
/
26
5
2
24
3
2
22
21
20
-
-
-
-
2
2
2
2
-
-
-
2
-
-
-
2
-
2
-
-
-
B
-
-
-
2
2
-
2
2
-
-
2
2
-
-
-
-
2
-
-
2
-
-
-
2
-
-
-
-
-
A
-
-
9
-
- - -
-
-
-
2
2
2
-
-
-
-
-
-
2
2
2
2
-
-
-
-
-
-
-
-
-
-
-
-
-
2
-
-
-
-
2
2
-
-
2
-
-
-
-
2·
-
2
-
-
2
2
-
-
2
2
2
-
-
2
-
-
-
-
2
-
X
X
X
X
7
8
C
E
-
F
-
0
.'
-
-
-
-
-
-
-
-
-
-
ACCESS SELECT
S
MANUAL TAGS
W
DIRECT SEEK
I
DIRECT CONT
T
SEQ FORWARD
C
SEQ REVERSE
H
SEQ FWD/REV
E
S
-
-
-
-
-
-
-
X
X
X
X
-
-
-
-
-
2
-
2
2
2
2
RANDOM SEEK
-
-
X - N SEEK
-
-
FIXED VOLUME
-
-
LAMP TEST
-
-
-
-
-
SELF TEST
X
X
X
X
B
-
-
-
-
2
-
2
2
-
-
2
2
-
2
2
2
2
C
0
E
F
-
-
-
-
-
2
2
I
I
-
-
- -
- - -
-
-
-
-
-
- - -
-
-
X
X
X
X
-
- - - . -
-
-
-
-
-
-
-
-
2
-
-
-
-
- -
- -
-
-
-
-
-
NOTES:
ill See Sheet 1
9H350-2
Figure 4-1.
I 4-10
Switch Test Display (Sheet 2 of'S)·
83323370 G
LED DISPLAY
~
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ROW 2
215
214
13
2
212
211
210
29
28
27
26
25
24
23
22
21
20
MAN
-
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
SEQ
X
..
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-
-
-
-
1
-
-
- -
- -
-
-
-
-
-
MAN
-
-
-
-
-
-
-
1
-
- -
-
-
-
-
-
SEQ
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
RAN
-
-
-
-
-
-
1
-
-
- -
-
-
-
-
-
HEAD
RAN
RECORD
S
SINGLE/CONT
W
SINGLE
-
-
-
-
-
-
- - -
-
-
-
1
-
-
-
I
CO NT
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
T
- / +
C
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
H
CENTER POSITION X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
E
+
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
- -
-
-
-
-
-
-
CENTER POSITION X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
EARLY
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
S
LATE/EARLY
LATE
1
I
NOTES:
~see Sheet 1
9H350-3
Figure 4-1.
83323370 G
Switch Test Display (Sheet 3 of 5)
4-11
I
LED DISPLAY ~
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
ROW 2
215
214
2~3
212
21~
~O
29
28
27
26
25
24
23
22
21
2°
WRITE FLAG
-
-
-
-
-
-
-
- -
-
-
-
-
-
-
1
OFF -
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
WRITE PROT
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X·
X
X
WRITE FLAG/OFF
WRITE PROT/OFF
I
AM/SECTOR
..
I
-
-
-
-
-
- -
-
-
-
-
1
- -
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
AM
-
-
SECTOR
X
EDT STOP
OFF
EOT STOP/OFF
S
W DATA/OFF
I
DATA ERROR
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
T
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
C
ADDR/OFF
H
AD DR ERROR
-
-
-
-
-
-
-
-
-
1
-
-
-
- -
-
E
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SHIFT PATT
-
-
-
-
-
-
-
-
1
-
- -
-
-
-
-
DATA PATT
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SEQ PWR
-
-
-
-
-
-
-
-
-
-
-
-
- -
-
-
OFF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
S
SHIFT PATT/
DATA PATT
SEQ PWR/OFF
X
NOTES:
.ffi. See Sheet 1
9H350-4
Figure 4-1.
I
4-12
Switch Test Display (Sheet 4 of 5)
83323370 G
LED DISPLAY
&
ROW 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
ROW 2
215
214
213
212
211
210
29
28
27
26
25
24
23
22
A-F
}
INDICATES VALUE (IN BCD) OF KEY PRESSED.
IN 20_2 3 ROW 2 LEOS.
S
HEX
-
-
-
-
-
-
-
-
2
-
-
-
-
-
-
-
-
2
I
CLR ENT
-
-
- -
-
-
2
LOAD
-
-
-
T
-
-
-
-
-
-
2
H
BIT
-
-
-
-
-
2
-
2
SEL DRV
-
-
-
-
-
2
S
CLR FLT
-
-
-
-
-
-
-
-
-
GO
-
STOP
-
-
-
-
CLR
-
-
- - - - - -
-
E
-
-
DEC
-
-
C
-
-
-
DISP
-
-
W
-
-
-
15
-.- f - 21
20
14
-
KEYBOARD
0-9
'
RTZ
.'
-
NOTES:
-
-
-
-
I
-
-
-
-
-
-
-
-
-
-
-
..
-
-
2
-
2
2
2
-
-
2
-
2
-
2
2
-
2
-
2
2
2
2
2
2
-
2
2
2
-
2
2
-
-
2
2
2
-
2
2
..
.ffi See Sheet'1
9H350-S
Figure 4-1.
83323370 G
Switch Test Display (Sheet 5 of 5)
4-13
I
ELECTROSTATIC DISCHARGE PROTECTION
NOTE
The following
procedures:
material
is
needed
Conductive Static Shielding Bags*
*Vendor:
to
perform
these
95038604 (8 x 10)
95038606 (12 x 16)
Minnesota Mining & Mfg Co.
HANDLING ELECTROSTATICALLY SENSITIVE ASSEMBLIES
All drive electronic assemblies are sensitive to static electricity, due to the electrostatically sensitive devices used
within the drive circuitry.
Although some of these devices
such as metal-oxide semiconductors (MaS) on logic cards are extremely sensitive, all semiconductors as well as some resistors
and capacitors may be'damaged or degraded by exposure to static
electricity.
Electrostatic damage to electronic devices may be caused by a
direct discharge of a charged conductor, or by exposure to the
static fields which surround charged objects.
'1'0 avoid damage
to drive electronic assemblies, service personnel must observe
the following precautions when servicing the drive:
•
Ground yourself to the drive
whenever the drive
electronics are or will be exposed, connect yourself to
ground with a wrist strap.
Make the connection to any
metal assembly or to the dc grounding block at the rear
of the drive. As a general rule, remember that you, the
drive, and the circuit cards must all be at ground
potential to avoid potentially damaging static discharges.
•
Keep cards in conductive bags - when circuit cards are
not installed in the drive, keep them in conductive
static shielding bags.
These bags provide absolute
protection from static discharge and from static fields
surrounding charged objects.
Remember that these bags
are conductive and should not be placed where they might
cause an electrical short circuit.
o
Remove cards from bags only when you are grounded - all
cards received from the factory are in static shielding
bags, and should not be removed unless you are grounded.
• 4-14
83323370 G
'C
-.
HANDLING ELECTROSTATICALLY SENSITIVE LOGIC CARDS
Metal oxide semiconductor (MOS) integrated circuits are used on
several logic cards in the unit.
The logic cards are
identified
by
orange
colored
injectors/ejectors.
MOS
integrated circuits are extremely sensitive and therefore
require special handling to avoid damage caused by static
electricity.
Observe the following precautions when handling
or working with logic cards using MOS integrated circuits:
"
Turn off power before removing and
card.
installing the logic
Ensure that anything or anyone coming in contact with the
card is electrically connected to ground,
including
tools, the body, clothing, containers, etc.
o
Touch the logic chassis to bleed off any accumulated
static charge before removing or installing the card.
•
Handle the card only by a non-circuit portion.
touch pins and circuit connection points.
o
Never use an
assemblies.
•
Always remove the microprocessor
ohmmeter on the drive.
•
Place the ca rd in a conduct i ve shielded bag immedia tely
following its removal from the unit.
The card and the
bag must be in contact with logic chassis ground before
and during the time that the card in inserted or removed
from the bag.
The bag should have a warning label
indicating that it contains an electrostatic-sensitive
device.
The logic card must remain in the bag or at a
properly prepared work station whenever
it
is not
installed in the logic chassis.
83323370 G
ohmmeter
on
cards
having
cards
Do not
microprocessor
before
using
an
4-15.
4
2
3
1
-.
REv
&~;
REVISION STATUS OF SHEETS
I 2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20
D
A
A
A
A
I
0
E
REVISIONS
ECO
DRFT
DESCRIPTION
PE23000
PE54244
RELEASEO
PE54271
SELECT .. ATRIX CODES
ADO NOTE TO STATUS
PE54244A ERROR CORRECTION
.. ATRIX
DATE
CHK'D
3'18'81
3'18111
3 '18111
1I·9-az
ADO NOTE
A
B
A
A
A
A
C
A
A
A
A
D
A
A
A
A
E
E
0
c
C
~
B
B
NOTES:
&
DEVICE
IN
TYPE
SECTION
CODES
2
ARE
OF THIS MAtlUAL
A
A
DRAWN
ENGINEER
,
G,RAEkItlL. :!r"'71
MAGNETIC PERJPHERf.LS 11K,
CH[CKED
'k.llJ~
J/,.,/"
~~ :~C:1A(~IU.
KEY
TO
3
NORMANOALE
OPERATIONS
CODE IOENT
19333
APPROvED
4
LOGIC
DIAGRAMS
2
cl
83323370
r
HEET
CROSS
REF NO
1
IOF5
REF 75121200
I
rAGE
G
5·9
E
4
3
...
2
1
A4 - LED DISPLAY BOARD
o
D
~
~
&
.&
&
'
If)
If)
If)
If)
If)
If)
'~IQ))
C
c
A3-TEST POINT BOARD
NOTES:
&
I. ASSEMBLY LOCATOR
B
THE FOLLOWING SHOWS EACH MAJOR ASSEMBLY ITS
PHYSICAL LOCATION CODE, AND WHERE IT IS FOUND
IN THE DIAGRAMS.
ASSEMBLY
POWER SUPPLY
&
LOGIC CHASSIS
_ JKX CTL PANEL INTERFACE
"
A
:
"
C)
($.,
~:.
"
HEAD ALIGNMENT CARD
~j
B
CARD USED IN CMD HEAD "
ALIGNMENT IN DRIVE. CARD;
STORED IN TESTER.
•
PHYSICAL DIAGRAM
LOCATION CROSS REF
NUMBER
CODE
AI
801
A2
AlBOI
101
_JHX 1/0 CONTROL
A2A/B02
201
_ JJX RD/WRT CONTROL
A2A1B03
301
_ JGX MICROPROCESSOR
A2A1B04
401
_ZEV TEST POINT BOARD
A3
601
_ZFV LED DISPLAY BOARD
A4
_ZJV CONTROL PANEL BD
A5
501
701
_ZPV HD ALIGN CARD
-
951
A
l/'
MAGNETIC rERJrHERt\LS INC.
ASSEMBLY LOCATOR
~~ ~;:::~(~'IOH
4
ill
INCLUDES _JGV-POWER
SUPPLY BOARD
3
+
NORMANOAlE
OPERATIONS
C
E
CODE IOENT
19333
2
1
-
4
.
3
I
2
I
--
REV
A
REVISION STATUS OF SHEETS
I
D
UNUSED RESISTOR PACKS
2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20
A A
A
A
A
A
A
A
A
B B
A
B
A
B A
A
A
C B
A
B
C
B A
A
A
LOCATION
0831
3020
4220
4720
5920
6020
0
1
AEVISIONS
[CO
RELEASE
B
P[5-42~7
DtANGE DUAL CHANNEL BUSY
C
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HISTORY
DATE
0
UNUSED LOGIC ELEMENTS
OUTPUT
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9 PA7
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24 CS1
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35 RS1
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A01-05B
B01-0BA
A03-16A
B04-17A
.,
A01-05A
B01-039
A03-159
B04-16A
.,
A01-03B
B01-03A
A03-14A
B04-15A
-DATA BIT 1 >-< ,
15 F
DRVR
934
3B42
1 F~
4
F~
r----L
( 10)
13\
F
~
r
C
I
1
002
102
304
408
F 11
F 14
I
A0204B
.,
I
+tlRITE
~,
RCVR
934
3B42
1 F2
F 5
1
1
1
c
11'0 F
B
203
T
203
V
>-< +DATA
+DATA
203®~ +OATA
>-< +DATA
203 W
BIT
BIT
BIT
BIT
RCVR
934
3853
1 F 2
F 5
11
F
14
F
()
3
(6)"
( 10).1-,
( 13l.b
I"
4
5
6
7
1
-DATA BIT 4>-< ,
.,
4
7
C
,
-
.......
AOl-43A
B01-05B
A03-07A
B04-2BA
1
A 002
102
304
40B
B02-DATA BIT 7 >-<~
A
OOZ
/.
102
304
408
/.
DRVR
934
3B53
1 F~
~
1
F I I)
F
10
F (13)
,
o
A01-04A
B01-05A
A03-05B
B04-25A
A01-03A
B01-04A
A03-04A
B04-26B
A
.
..
,.
MAGNETIC r£RjrH£Rl-LS INC.
BIDIRECTIONAL DATA BITS
.
~~:,=::.. .-...-.~
3
*
NOAMANIU'11
OPfR"'I"IN~
C
A
(Pllf 1:11""
LOC-AlA/B02
4
A 002
102
304
A02- 408
-DATA BIT 6 >-< _,
~
A
AOl-43B
B01-07B
A03-DBB
B04-289
1
.,
I
002
102
304
408
1
-DATA BIT 5>-< ,
15 F
'-
.,
B0243B
?
19333
.
The symbol ## in the part number column indicates that the item
is a recommended spare part, and that the part number is
located in the Spare Parts List section.
To find the part
number refer to the instructions for using the Spare Parts List
(section 7B).
The abbreviation CIC refers to Card Interchangeability Chart.
The CIC in this manual is located in section 7C.
Description Column - This column gives the name and a brief
description of each part and assembly.
The relationship of
parts and assemblies is shown within the column by means of
indentation. When an item is idented more than the previous
item, it is part of the previous item.
When the attaching hardware or associated parts for an item
cannot be shown on the illustration, the note (ATTACHING PARTS)
or (ASSOCIATED PARTS) appears in the Description column. All
attaching/associated parts for the previously listed part or
assembly are listed beneath this note and are separated from
the rest of the parts list by the symbol ---*---.
When necessary, items are identified as being right side or
left side. Right and left are determined by facing the front
of the FTU.
Notes Column - This column defines any multiple part number
entries for a single index number. Multiple entries may be
necessary to identify differences such as machine configuration
(for example, the part issued on a series code XX unit with the
Engineering Change Order (ECO) XXX X installed).
Information
that is unique to one particular equipment or application will
also be noted in this column.
83323370 G
7-5
I
I
7
20
A
m
•
.,
SIC 25 &ABV
WI 54344
--A--
Figure' 7-1.
7-6
. 1 Assembly
Flna
83323370 G
..
INDEXI PART
NO
NO
--
PART DESCRIPTION
7-1
7-1
1
82338800
82338802
10125712
2
3
93201002
10125105
4
10126401
5
10125605
WASHER, External Tooth
Lock 6
WASHER, Flat, 6
6
7
75020900
75020901
75129600
HINGE, Lid Support
HINGE, Lid Support
ARM, Hinge
7
75129601
ARM, Hinge
7
72874900
BRACKET, Hinge
7
72874700
BRACKET, Hinge
8
9
10
11
75144600
CIC
75147300
12
10127112
SUITCASE ASSEMBLY
COMPONENT ASSEMBLY, ZPV
ENVELOPE, C. B., Foam
POWER SUPPLY ASSEMBLY
(see Figure 7-5)
SCREW, Pan Head, Machine,
6-32 x 5/16
FRONT PANEL ASSEMBLY
(see Fugure 7-2)
COMPONENT ASSEMBLY,
JKX
COMPONENT ASSEMBLY,
JHX
COMPONENT ASSEMBLY,
JJX
COMPONENT ASSEMBLY,
JGX
ADAPTER, CMD, Head
Alignment
WASHER, Internal Tooth,
Lock, 6
SCREW, Pan Head, Machine,
6-32 x 1/2
SCREW, Pan Head, Machine,
8-32 x 1/2
6
13
14
15
16
17
18
CIC
CIC
CIC
CIC
758'86001
19
10126103
20
10127114
20
10127123
83323370 G
FINAL ASSEMBLY
FINAL ASSEMBLY
SCREW, Flat Head,
6-32 x 1/4
WASHER, Counter Sunk Lock
NUT, 6-32
NOTE
1
TB216A
TB216B
SIC 25 & Blw,
WIO 54344
SIC 25 & B1w,
WIO 54344
SIC 25 & Blw,
WIO 54344
Right Hinge
Left Hinge
Right Arm,
SIC 25 & B1w,
WIO 54344
Left Arm,
SIC 25 & B1w,
WIO 54344
Right Side,
SIC 25 & Abv,
WI 54344
Left Side,
SIC 25 & Abv,
WI 54344
TB216A only
TB216A only
I
TB216A only
SIC 25 & Blw,
WI 54344
SIC 25 & Abv,
WI 54344
7-7
IINDEXI
NO
PART
NO
7-1
21
10127112
22
93114326
PART DESCRIPTION
I
NOTE
1
FINAL ASSEMBLY
SCREW, Pan Head, Machine,
6-32 x 5/16
STANDOFF, Tapped
I
NOTE:
The following items are not
shown.
75149401
75149402
75145500
75145501
75145502
75145801
SUPPLEMENTARY SUPPLY ITEMS
SUPPEMENTARY SUPPLY ITEMS
I/O CABLE ASSEMBLY,
10 Pin (A4)
I/O CABLE ASSEMBLY,
26 Pin (B5)
I/O CABLE ASSEMBLY,
50 Pin (A2)
ADAPTER CABLE ASSEMBLY,
34 Pin (B7)
75145802
ADAPTER CABLE ASSEMBLY,
75 Pin (A6)
75145803
ADAPTER CABLE ASSEMBLY,
34 Pin (B3)
75145804
ADAPTER CABLE ASSEMBLY,
75 Pin (AIO)
75146000
ADAPTER CABLE ASSEMBLY,
60 Pin (A8)
LINE CABLE ASSEMBLY,
120 V
HEAD ALIGNMENT CABLE
ASSEMBLY
TEST LEAD, Red, Head
Alignment,
TEST LEAD, Black, Head
Alignment,
CABLE ASSEMBLY, CMD,
Head Alignment
CABLE ASSEMBLY, CMD,
Head Alignment
TERMINATOR ASSEMBLY, AMEN
83271600
77440300
94389927
94389907
77612337
75882394
50151700
83323370 G
TB216A only
TB216B only
MUX I/O - B
Cable TB216A
only
STD I/O - A
Cable TB2l6A
only
STD I/O - B
Cable TB216A
only
MUX I/O - A
Cable TB216A
only
STD OR MUX
I/O - A Cable
TB216A only
TB216A only
TB216A only
r.I'B216A only
TB216A.only
TB216B only
7-9
.
III
~
a
()
Q
()
a
a
()
()
~
~
a
o
o
Q
o
()
o
o
C)
&
o
0
0
()
0
0
•
0
0
0
•
C)
0
9-1701C
Figure 7-2.
7-10
Front Panel Assembly
83323370 G
II~gEXI
PART
NO
I
PART DESCRIPTION
75144500
FRONT PANEL ASSEMBLY
7-2
75144501
FRONT PANEL ASSEMBLY
66301754
66301717
66301718
66301719
66301730
66301731
66301732
66301742
66301743
66301744
66301789
66301790
66301791
66301792
66301793
66301794
66301795
66301803
66301804
66301800
66301796
66301797
66301806
66301805
66301798
66301799
66301802
66301801
10127122
30
10126104
31
10127113
32
93114284
33
10125103
83323370 G
J
J
7-2
1
-2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
NOTE
SIC 25 & Blw,
WIO 54344
SIC 25
&
W/ 54344
Abv,
KEY CAP, "0"
KEY CAP, "1"
KEY CAP, "2"
KEY CAP, "3"
KEY CAP, "4"
KEY CAP, "5"
KEY CAP, "6"
KEY CAP, "7"
KEY CAP, "8"
KEY CAP, "9"
KEY CAP, "A"
., KEY CAP, "B"
KEY CAP, "C"
KEY CAP, "D"
KEY CAP, "E"
KEY CAP, "F"
KEY CAP, "HEX"
KEY CAP, "DISP"
KEY CAP, "CLR ENT"
KEY CAP, "LOAD"
KEY CAP, "DEC"
KEY CAP, "BIT"
KEY CAP, "SEL DRV"
KEY CAP, "CLR FLT"
KEY CAP, "RTZ"
KEY CAP, "CLR"
KEY CAP, "GO"
KEY CAP, "STOP"
SCREW, Phillips,
8-32 x 3/8
WASHER, Internal Tooth
Lock, 8
SCREW, Phillips,
6-32 x 3/8
STANDOFF, Hex,
8-32 x 1.312
WASHER, Internal Tooth,
Lock, 6
I
I
7-11
fINDEX
NO
PART
NO
PART DESCRIPTION
7-2
34
93114283
35
75145000
FRONT PANEL ASSEMBLY
STAt-JDOFF, Hex,
6-32 x 1.062
PANEL, Tester Front
35
47391800
PANEL, Tester Front
36
37
38
39
40
95644000
95644001
JACK, Red Banana
JACK, Black Banana
CABLE AND SWITCH ASSEMBLY
KNOB, Skirted
CONTROL PANEL ASSEMBLY
(See Figure 7-4)
LOGIC CHASSIS ASSEMBLY
(See Figure 7-3)
WASHER, External Tooth
Lock, 8
WASHR, External Tooth
Lock, 6
##
t#
41
42
10126402··
43
10126401
83323370 G
NOTE
SIC 25 & Blw,
HI 54344
SIC 25 &
wi 54344
Abv,
I
7-13
L
Figure 7-3.
7-14
.
.
Og1C Chassi s Assembly .
83323370 C
j INDExt
NO
7-4
1
2
PART
NO
75144400
54283300
10127112
3
4
5
93114217
75148603
75148602
6
7
54281700
75148600
8
9
54282100
75148601
10
CIC
83323370 G
PART DESCRIPTION
NOTE
I
CONTROL PANEL ASSEMBLY
COMPONENT ASSEMBLY, ZJV
SCREW, Pan Head,
6-32 x 5/16
STANDOFF, Hex, 0.875, 6
CABLE, Control Panel
CABLE, Test Point,
Read/Write
TEST POINT BOARD ASSEMBLY
CABLE, Test Point,
I.O. Signal
LED BOARD ASSEMBLY
CABLE, LED Display Board
CABLE, JKX LED Display
-Board
I
7-17
I
9-17040)C
Figure 7-5.
7-18
Power Supply Assembly (Sheet 1 of 2)
83323370 F
t
INDEX J PARr.I'
NO 1 NO
7-5
1
2
75147000
93592158
10127115
3
4
5
75145400
5
75145401
5
75145402
6
95661326
00863717
10126105
7
8
crc
10
11
12
94305529
92691003
95634801
95655517
13
14
15
16
95661324
75148500
##
10126103
17
10127112
18
93541010
19
20
21
22
75147700
93106206
93041106
17901508
9
PART DESCRIPTION
NOTE
POWER SUPPLY ASSEMBLY (Sheet 2)
COVER, Power Supply Board
SCREH, Self-Tapping,
Hex Head, 6-32 x 1/4
SCREW, 6-32 x 5/8
C6MPONENT ASSEMBLY JGV
HOUSING, Tester
SIC 25 & Blw,
vJIO 54344
HOUSING, Tester
SIC 25 W/
54344, W/O
54343B
HOUSING, Tester
SIC 25 & Abv,
W/54343
CAPACITOR, 83 UF, 15 V
CLAMP, Capacitor Mounting
"WASHER, Internal Tooth
Lock, 10
BUSHING, Snap-in
CLAMP, Capacitor Mounting
NUT, U Type Speed
SCREW, Sheet Metal,
6-20 x 1/2
CAPACITOR, 18 UF, 15 V
BOX, Blower Mounting
FAN, Axial, 50/60 Hz
WASHER, Internal Tooth,
Lock, 6
SCREW, Pan Head Machine,
6-32 x 5/16
TERMINAL, Ring Tongue
22-16, #4-6
BRACKET, Block Terminal
MARKER, Terminal Strip
S'I'R I P , Te rm ina 1
SCREW, Thread Rolling,
6-32 x 1/4
NOTE:
The following items are not
shown.
75149600
AC/DC HARNESS ASSEMBLY
75149601
AC/DC HARNESS ASSEMBLY
94277400
TIE STRAP, Cable
83323370 G
SIC 25 & Blw,
W/O 54343B
SIC 25 & Abv,
WI 54343B .
7-21
I
I
I
I
ENGINEERING RECOMMENDED SPARE PARTS LIST
I
I-I-T~E-M-S~A-PP-E~A~R~O-N~I--------------------------------~--------~~--~--~-----------------
IFig.IPagelIndexl
INo. I No.1 No. I
IREPLACE- I
IMENT PARTI
I
I NUMBER
CONTACT, Wirewrap
Used SIC 14 & Above
82315001
82315001
ROM, 5904
Used SIC 26 & Above
50257504
50257904
50257905
50257905
LED, Green
Used SiC 14 & Above
94372504
94372504
LED, Red
Used S/C'14 & Above
94372501
94372501
MICROPROCESSOR, 6802
Used siC 14 & Above
15163603
15163603
RAM, IC
Used SiC 14 & Above
15163400
15163400
,SWITCH, Keyboard
Used ,SIC 14 & Above
94363700
94363700
ROM, 5905
Used SIC 26 & Above
83323370 G
PART
NUMBER
DESCRIPTION
~
NOTES
Older units
converted to this
configuration by
FCO 54327.
Older units
converted to this
configuration by
FCO 54327.
7-25 •
I
I
I
I
IITEMS APPEAR ONI
IFig.IPagelIndexl
INo. I No. I No. I
7-2
7-2
7-5
7-5
7-5
7-4
7-6
7-12
7-14
7-12
-.
38
39
7
15
18
ENGINEERING RECOMMENDED SPARE PARTS LIST
DESCRIPTION
PART
NUMBER
IREPLACE- I
IMENT PART I
I NUMBER I
SWITCH, Momentary
Used SIC 14 & Above
94263934
94263934
SWITCH, SPDT
Used siC 14 & Above
94263932
94263932
SWITCH, SPDT, Center Off
Used siC 14 & Above
94263933
94263933
CABLE AND SWITCH ASSEMBLY
Used SIC 14 & Above
75145600
75145600
KNOB, Skirted
Used SIC 14 & Above
93152007
93152007
FILTER, R.F.
Used siC 14 & Above
94348403
94348403
FAN, Axial, 50/60 Hz
Used SIC 14 & Above
94390000
94390000
CIRCUIT BREAKER
Used SIC 14 & Above
95587003
95587003
NOTES
..
..•
7-26
83323370 G •
SECTION 7C
CARD INTERCHANGEABILITY CHART
CARD INTERCHANGEABILITY CHART
7C
GENERAL
The card interchangeability chart (ere) provides the latest
reV1Slon level of a card, its locations in the logic chassls,
and its part number for ordering purposes.
Prior to attempting to use the charts, be sure to read and
understand the rules for interpreting the ere as given on page
7-29.
83323370 G
7-27 •
.: \
.
~
--
4
."-
3
I
.-
I'
I
lib.
REVISION STATUS OF' SHEETS
D
A
A
B
B
~
6 7 8 9 10 II 12 13 14
l~
16 17 18 19
120
...
~=
C
R.•X
CHG. [PROMS
D
[54 121
[
~IOC
[PROMS TO 110115
CHO AJHX TO CJHX
"
5.
0
E
E
TH
CJ.I.
o
MF
'.."11:8C
IF L.L
CI
.~~5-1l
I-
'>-"I
~·eo
t
ci8
..:it..
1",82
-'I
"
D"
.
c c
0
.....
:~ ,DIm
l1L liP"'"
~
III..UUD
.,4;
54. '9.0
II
I 2 3 4
1
,
IA.S.MBlY
-
~
"N
-
; - CARD I~NTlFIU
-
,
I I I
I '" I
I
I
I
\.~
C~
...
B
I
I I
I
I"X· ,
4>,
I
I
:::::.:, G. R••
1
•
-
1... 'Il01l1.
I·~_ID
.y"
& ·l:::=-I"y· I .y.
·X"
I
A
,
C
IF APPLICABLE
I I
~:::::.
-
SPECIAL INFORMATION
I
·X·
If
" Z·
WILL REPLACE "x" OffLY IF P"CO ·Z· IS INSTALUDtlf INDICATES IIIACKPANEL WIRING CHANGES,)
-
·z"
WILl ~pt aCE • x· ONLY IF CHANGES INDICATED
BY NOTE, AND 8ACK~NEL CHANGES INDICAnO
ARE INSTALLED.
,------1
"Y",
"y"
I .y.
,.x· I
·L__----I·Y I .y.
,~~ <1•." ' ..- __ ,.
DoIYIIIOI!.
·z·
lilY *.
•
WILL REPLACE· X·,
·X" WILL REPLACE .y"
·1
I
+-
Ilyl I .y"
I I
-;fl/....u.., • .to 11../7"11
"-
I"Y·'
WILL REPLACE ·X" ONLY IF CHANG[S
INDICATED BY NOTE ARE INSTALLED.
~
'X'
-
I"Y'
o
....
WILL REPLACE • X·, LOG FeO • z·
A
WILL "EPLAtt ··X·, (NO FOOt
CARD INTEACHANGEABILITY CHART
TB216 AlB FTU
~%~';;
1:0'1 II'
ICI
83323370
.-., I
_.,
E
G
1--.,
~,
4
~
3
I
I'
,
J
lit N.
1
......,..
IC
un I....
I"'"
:-,[,
.uno
REVISION STATUS OF SHEETS
I
0
-
2 3 4
A
A
B
B
c
C
0
0
E
E
F
F
G
G
6 7 8 9 10
~
"
12 13 14
I~
,3 A
,~
16 17 18 19 20
-
'f
!Ie
'[ \4
,4
,"ex
ip~
2 INV, ,R '[RI
AJJ~
--+
IH
8JJX
1.17,H
:B
I~
CB
1-15-
C8
I'le
:~
lA~f
,0",
IF
CJHX_
'''' ... ,
~J,
,..
I.
V-
17
'RO
110"
RRE'
A, HX
-1
"
", ...
...
r"Ji<4'
4
D
1
I
I'.".BLY pm
I
I
,
r
I '
I
\
I
~
\
.....
CARD IDENTIFIER
I
'-SPECIAL
C
INFORMATION
-
C~
FCO If APPLICABLE
r
I
-+
I
..
A
~...
coccalD
I ......m
'\
I
lA,
"y" WILL REPLACE "x" ONLY IF CHANGO
INDICATED BY NOTE ARE INSTALLED.
~
.y" WILL RfPLACE "X· ONLY IF CHA'NGES INDICATED
BY NOTE. AND BACK PANEL CHANGES INDICATED BY
ARE INSTALLED.
*.
•
.y" WILL REPLACE ·X",
"x· WILL REPLACE .y.
l-
-I
·Z·
DIY*OIII
,.y·
-L-------'"Y"
G. RA""'- v •." . . CARD
-:r 1/~.~ y,,;,,
,•
A~_IO
t
Il l I
.Qf!.
·X"
I
~
y
·Z·
,eo "Z" IS IHSTALL[Dl* INDICATES BACKPANEL WIRING CHANG[s.)
"y" WILL REPLACE "x" ONLY IF
-~'·Y·I
I I
I·x· I
.,
I"Y"I
---J"Y" I
I"X· I * ,
I
'"
• Z·
:;:r: : : :'
"
"
I
"x"
I * -I
I ~ -L___
&
I
B
I
·x·
.,
I
"y. WILL REPLACE ·X·, LOG FCO • Z·
I
.y. WILL
"~PlAC(
INTERCHANGEABILITY CHART
TB216 AlB FTU
I
A
·X·, (NO ,eo)
(7,~o;~
1:0'· ...
IC
,
83323370
I"'" . . . 2
G
1..... 7-29
REF' 7:1121211
LOCATION
FUNCTION.
1~IAJKXI
BOI
CONTROL PANfL
XNTERFACf
q:
I I
0
I~IAJHXI
;."
C
,:z:ICJHXI
'I'
0'
\'
'j
I I
,I
I
A/B02
X/O CONTROl
READ/WRITE
CONTROL
A/S03
C
I-
...
I
I
,"
AlSO.
PROCESSOR
I---~I."
B
B
HUD ALIGNMENT
~I--li
..11--~
.
~
1 - - - 1
t 5 VOLT POWER SUPPLY
A
A
6
TB216A
ONLY
CARD INTERCHANGEABILITY CHART
T821S AI B
4
3
2
...---I'
.~.-
.;)
".
- .- ...
-.
~.--
...
.-
,.
-
LOCATION
FUNCT'ION.
~
1~IAJKXI
,I
.. I
BOI
CONTROL PANEL
INTERFACE
0
1
I
I~IAJHXI
I/O CONTROL .
I
I
~ICJI~"i1.
I'
'I
A/b02
-I
I I
I
I I
I
I
C
0
READ/WRITE
CONTROL
I
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