4381 3_MI_A02_sn10900 3 MI A02 Sn10900
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--
--
-- - ----~--- - -,.,_.-
4381-3 : 4381-3
SIN
I SIN
MI
MI
4381-3
4381-3
MAl NTENANCE
INFORMATION
MAINTENANCE
INFORMATION
PWR REPAIR
(PROC)
PR 1401
THRU
PR 18 XX
PWR REPAIR
(PROC)
PR 1991
THRU
PR 5001
SERVICE AIDS
LOCATIONS
TOOLS
REMOVALI
REPLACEMENT
PREVENTIVE
MAINTENANCE
DIAGNOSTICS
LOGS
SYSTEM TEST
INSTALLATION
SAFETYINSP
VOL A04
VOL A05
MAl NTENANCE
INFORMATION
PWR REPAIR
(PROC)
PR 1001 .
THRU
PR 13 XX
INTRODUCTION
START
PU REPAIR
CHNL REPAIR
MSS REPAIR
END OF REPAIR
I
I
PR ~~:U
MI
I
I
1
----------1------------------VOL A02
VOL A03
VOL AOl
--.....-.------- -- - -
=
4381
B/M 2676380
I~~g
"Copyright U;lM Corp. 1984
BA001
I
PN 6169373
.10f2
II
ECA20558
I
=- -
Processor
Maintenance Information
.~.=01~Oc=t~8~4~.________~______~______~______~
SIN
MAINTENANCE
INFORMATION
MAINTENANCE
INFORMATION
PWR REPAIR
(HWS AND
MBC)
PR 001
SIN
4381-3
MAINTENANCE
INFORMATION
MAINTENANCE J MAINTENANCE
INFORMATION
INFORMATION
I
SIN
4381-3
MI
MI
1
SAFETY
INDEX
TERMSI
,
ABBREVIATIONS
4381-3
MI
MI
I
Maintenance Information
®
MI
_________ 1 _________
I
4381-3
SIN
SIN
SIN
-
VOL A06
VOL A07
CONSOLE
FUNCTIONS
MESSAGES
VOL A08
The drawings and specifications contained herein shall not be reproduced in
whole or in part without written permission.
IBM has prepared this maintenance manual for you in the use for installation,
maintenance, or repair of the specific machine indicated. IBM makes no
representation that it is suitable for any other purpose.
Information contained in this manual is subject to change from time to time.
Any such change will be reported in subsequent revisions or Technical
Newsletters.
It is possible that this material may contain reference to, or information
about IBM products (machines and programs), programming, or services
that are not announced in your country. Such references or information
must not be construed to mean that IBM intends to announce such IBM
products, programming, or services in your country.
Publications are not stocked at the address below; requests for IBM
publications should be made to your IBM representative or to the IBM
branch office serving your locality.
A form for reader's comments is provided in Volume A01, Introduction. If
the form has been removed, comments may be addressed to IBM
Corporation, Processor MIM Development, Department X65, P.O. Box 6,
Endicott, NY, U.S.A. 13760. IBM may use or distribute whatever
information you supply in any way it believes appropriate without incurring
any obligation to you.
4381
B/M 2676380
I~~g
BA001
C Copyright IBM Corp. 1984
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OO{~OO
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PR 001
Basic Power (Hardware Sequence) Repair Procedure
Have you been directed to this repair procedure because you have a basic powerproblem.
DO NOT REPAIR DEFECTIVE FRUS
Step
1
2
3
4
5
6
7
8
Conditions
Is PCC CB 1 or CB2 tripped?
Is the 24 Volt indicator off?
Is the 5 Volt indicator off?
Is the MBC On indicator off?
Are you here to fix a
convenience outlet problem?
Are you here to fix an OCP or
service panel indicator
failure?
Are you here to fix a hex
display indicator failure?
Are you here to fix an OCP or
service panel failure?
Instructions
Go to paoe PR 011.
Go to page PR 02 1.
Go to page PR031.
Go to page PR 041.
10
11
Do you have an AO or OA
power code displayed?
12
Do you have a lA. A 1. 2A.
or A2 power code displaved?
13
Do you have a 3A. A3. 4A.
or A4 power code displayed?
4381
B/M 2676380
I~~9
Instructions
Go to page PR 281.
15
Do you have a 7A. A7. OB.
or 80 power code displayed?
Go to page PR 291.
+B.5V UV 01A-A2 board.
16
Do you have a 1B. B1. 2B. or
B2 Dower code disolaved?
Do you have a 3B or 83
power code displayed?
Go to page PR 301.
+ 12V UV 01 A-A2 board.
Go to page PR 311.
+24V to 01A-A2 board.
Do you have a 4B or 84
power code disolaved?
Do you have a 5B or 85
power code displaved?
Go to page PR 321.
AFS 103 Failure.
Go to page PR 331.
AFS 104 Failure.
Go to Instructions column.
Press the operator control panel lamp Test
switch; the following indicators should be on:
17
Go to Lamp Test first.
1B
Go to page PR 381 (see note).
19
Note: A two digit power code is not an
indicator fail\,lre.
20
OCP: GotopagePR 391.
Any switch or pushbutton
failure.
~
Note: MSS or PU power must be on for the
test indicator to display;
Go to pClge PR 421.
1.
2.
3.
Go
Processor fails to power off.
Record the service panel indicators.
Record the service"panel hex display.
Press Check Reset.
to page PR 151.
PS 102 CP" tripped.
Go to page PR 261.
-5V UV 01A-A2 board.
Go to page PR 271.
-12V UV 01A-A2 board.
! +5V UV 01A-A2 board.
Service Panel
Power In Process
Power Complete
I/O Power Hold
M8C On.
21
Did lamp test fail?
22
<;;0 to Instructions column.
23
Is hex display other than
OOOOO?
Is hex display 000007
24
25
Is hex display other than OA
or AO?
OCP
Pbvver In Process
Power Complete
Basic Check.
Go tOJl.~ge PR 371 (Lamp Test).
1. Set PCC CB 1 and CB2 off.
2. Set PCC CB 1 and CB2 on.
Go to page PR 381.
-
1. Trip PS102 CP1.
2. Reset PS102 CPl.
Go to page PR 381.
BA005
PR 001
«J Copyright IBM Corp. 1984
AU!
Conditions
Do you have a 5A. A5. 6A.
or A6 power code displaved?
Go to page PR 481 (Mi$cellaneous Indicator
Failures).
or
9
Step
! 14
Go to page PR 401 (Convenience Outlet).
Service panel: Go to page PR 441.
Does CE Mode fail to turn on
the test indicator on console
line twenty-two?
Are you here to fix a power
off problem?
Go to Instructions column.
Comments
Go to page PR 371 (Lamp Test).
I III I I l:tiI iii :
mil Ii
Ii .I:::a iil$IS!2IIiiII::H!I II II! Hli IliiI:SUIII 1::1411 iiia:::WIiJIISIAlitiiliia:"• •'44iMCaa
au
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PR 002
Steo
26
Instructions
1. Press the Check Reset.
2. Ensure FU NC 1 is installed in diskette drive
1.
3. Set the CE Mode switch to CE Mode.
4. Press service panel Power On and enter
the time and date when requested.
5. Wait 30 seconds.
Conditions
Is hex display OA or AO?
27
Do you have an AO or OA
power code displayed?
Go to page PR 151.
PS 102 CP tripped.
28
Do you have a lA, A 1, 2A,
or A2 power code displayed?
Go to page PR 261.
-5V UV 01A-A2 board.
29
Do you have a 3A, A3, 4A,
or A4 power code displayed?
Go to page PR 271.
-12V UV 01A-A2 board.
30
Do you have a 5A, A5, 6A,
or A6 power code displayed?
Go to page PR 281.
+5V UV 01 A-A2 board.
31
Do you have a 7A, A7, OB,
or BO power code displayed?
Go to page PR 291.
+8.5V UV 01A-A2 board.
32
Do you have a 1B, Bl, 2B, or
B2 Dower code displayed?
Go to page PR 301.
+12V UV 01A-A2 board.
33
Do you have a 3B or B3
power code displayed?
Go to page PR 311.
+24V to 01A-A2 board.
34
Do you have a 4B or B4
power code displayed?
Do you have a 5B or B5
power code displayed?
Do you have a two-digit
power code that is not listed
in the steps 28 throuQh 36?
Is the Partial Power
Up/Down (QWW) screen
displayed?
Do you have a five-digit MSS
Code of 'OOOOO'?
Go to page PR 32 1.
AFS103 failure.
Go to page PR 33 1.
AFS 104 failure.
Go to Instructions column.
Go to oaoe START 001.
35
36
37
38
39
4381
B/M 2616380
I~~g
Step
40
Conditions
Go to Instructions column.
Instructions
1. Select Partial Power Up/Down (QWW)
screen.
2. Select UC
(power-up processor and 1/0).
41
Do you have a 1x Ref Code
displayed?
Go to page PR 1001.
42
Do you have a Ref Code
other than 1x?
Is power complete?
Go to Instructions column.
Go to page START 00 1.
43
44
Go to Volume 1, Daoe END 001.
Invoke your support structure.
Power is OK.
Go to hex display on page PR 381.
Go to step 40.
MBC and MSS power is OK.
Go to page PR 411 (Power On Failure).
BA005
PR 002
CI Copyright IBM Corp. 1984
o
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PR 011
Mainline CB Tripped
You are here because PCC CB 1 or CB2 is tripped indicating a short in the ac distribution.
Possible causes:
•
PS101
•
PS102
•
PS104
•
AMD101 through AMD107
•
TR 100 through TR 103
•
PCC CB1
•
PCC CB2
•
Diskette drive 1 or 2.
AMO
107
PS
111
Step
1
Instructions
Conditions
Is CB2 tripped?
1.
2.
3.
4.
5.
2
Is CB 1 tripped?
1.
2.
3.
4.
5.
6.
3
Is CB 1 tripped?
Reset CB2.
Ensure CE Mode switch is set to Normal.
Press service panel Power On.
If power is complete. go to page END
001.
If CB2 trips go to step 51.
2.
4
Go to Instructions column.
2.
3.
4381-3
B/M 2676380
I~~9
i iiiUiU;;;:::Uii Ii::::
AFS107
B1
and
Plenum Gate
Front View
Left Side View
PS
105
TB 1 to Fl and K01
TB 1 to F2 and TR 101
TB 1 to K02 and K03
CBl to TB1
CB1.
AFS106
82
and
Plenum Gate
Exchange defective FRU.
Go to'step 63.
Set PCC CB 1 and CB2 off.
Reconnect cable at PCC J/P02.
Set PCC CB 1· and CB2 on.
BA010
PR 011
«> Copyright IBM Corp. 19B4
litll",• •:"$"
PCC
Use VA pages to isolate the short to one
of the following nets:
PCC
PCC
PCC
PCC
PCC
3.
1.
105 PS
106
Reset ,CB1.
Press service panel Power On.
If power is complete. go to page END
001.
Set CE Mode switch to CE Mode.
Set PCC CB 1 and CB2 off.
Disconnect cables at PCC J/P02. J/P04.
J/P05. J/P06. J/P07. J/POB. J/Pl0.
and J/P1l.
Set PCC CB 1 and CB2 on.
7.
Short in PCC.
1.
PS
i;;:;;:::::;;iiiiiiiihu:::;a ::::mi4iiiliiSl!iiiM!i:::ii2Uii!iiZ:a"Za:i2l1Jil1iiii4I&Siza;;:;:aUQli!$i$JS,"'.ZJ
"lU_S.;
--~-.-------
.. - -
---
PR 012
SteD
Conditions
5
Is CB 1 tripped?
Instructions
Step
1.
13
2.
Set PCC CB 1 andCB2 off.
Exchange PS 10 1.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
Also suspect shorted cable from PCC
J/P02 to PS 101 J/P07.
4. Go to step 63.
Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange shorted cable from PCC K02 to
PCC J/P04, J/P05, J/P06, andJ/P07.
3. Go to step 63.
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at PCC J/P04.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
Conditions
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at PCC J/P05.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
Go to step 20.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at AM D 103 J/PO 1.
3. Set PCC CB 1 and CB2 on.
4. Press service...Qanel Power On.
14
Is CB 1 in the On position?
15
Go to Instructions column.
16
Is CB 1 in the On position?
17
Go to Instructions column.
3.
6
7
8
Go to Instructions column.
Is CB 1 tripped?
Go to Instructions column.
9
Is CB 1 in the On ~osition?
Go to step 13.
10
Go to Instructions column.
1.
11
Is CB 1 tripped?
2.
3.
4.
1.
2.
Set PCC CB 1 and CB2 off.
Disconnect cable at PS 102 J/P02.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
Set PCC CB 1 and CB2 off.
Exchange TR 102.
Note: Check cable connectors for pushed in
pins and seating before exchanging TR 102.
3.
4.
12
Go to Instructions column.
1.
2.
Also suspect short in cable from PCC
J/P04 to TR 102.
Go to ste...Q. 63.
Set PCC CB 1 and CB2 off.
Exchange PS 102.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
3.
1.
2.
3.
1.
2.
3.
4.
18
Is CB 1 in the On position?
19
Go to Instructions column.
1.
2.
3.
1.
2.
3.
20
Go to Instructions column.
1.
2.
3.
21
Is CB 1 in the On Dosition?
22
Go to Instructions column.
23
Is CB 1 tripped?
1.
3.
Go to Instructions column.
Set PCC CB 1 and CB2 off.
Exchange AMD104.
Go to step 63.
Set PCC CB 1 and CB2 off.
Exchange cable from PCC J/P05 to
AMD103 and AMD104.
Go to step 63.
Set PCC CB 1 and CB2 off.
Reconnect cable at PCC J/P06.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
4.
Go to stm 25.
1. SetPCC CB 1 and CB2 off.
2. Disconnect ac cable at diskette drive 1.
3. Set PCC CB 1 and CB2 on.
. 4. Press service ~anel Power On .
2.
24
Set PCC CB 1 and CB2 off.
Exchange AMD103.
Go to step 63.
Set PCC CB 1 and CB2 off.
Disconnect cable at AM 0104 J/PO 1.
Set PCC CB 1 and CB2 on.
Press service'panel Power On.
1.
2.
3.
Set PCC CBl and CB2 off.
Exchange cable from PCC J/P06 to
diskette drive 1.
Go to step 63.
Set pec CB 1 and CB2 off.
Exchange diskette drive 1.
Go to step 63.
Go to stQQ. 63.
4381-3
B/M 2676380
4' Copyright ISM Corp. 1984
o o
00000000
PR 012
0000000000000 000000000
"'t",
t't"<
d'" Copyright IBM Corp. 1984
$
DC and Signal _ _ _ _...... VIf'
Cable
Ii Ii ;
:
; Ii
PR 014
SteD
35
Conditions
Is CB 1 in the On position?
36
Go to Instructions column.
37
Is CB 1 in the On position?
38
Go to Instructions column.
39
40
41
Go to Instructions column.
Is CB 1 in the On Dosition?
Go to Instructions column.
42
Is CB 1 in the On position?
43
Go to Instructions column.
44
Is CB 1 in the On position?
45
Go to Instructions column.
46
Go to Instructions column.
4381-3
B/M 2676380
I~~9
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange AMD 102.
3. Go to step 63.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at AMD 105 J/PO 1.
3. Set pee CB 1 and CB2 on.
4. Press service Danel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange AMD105.
3. Go to step 63.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PCC J/P08 to
AMD102 and AMD105.
3. Go to steD 63.
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at PCC J/P 10.
3. Set PCC CB 1 and CB2 on.
4. Press service Danel Power On.
Go to steD 46.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at AMD101 J/P01.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange AMD101.
3. Go to step 63.
1. SetPCC CB 1 and CB2 off.
2. Disconnect cable at AMD 107.J/PO 1.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange AMD107.
3. Go to steD 63.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PCC J/P 10 to
AMD101 and AMD107.
3. Go to step 63.
1. Set pee CB 1 and CB2 off.
2. Reconnect cable at PCC J/P 11.
3. Set PCC CB 1 and eB2 on.
4. Press service panel Power On.
Step
47
48
Conditions
Is CB 1 in the On position?
Is CB 1 tripped?
49
Is CB 1 tripped?
50
Go to Instructions column.
51
'Go to Instructions column.
62
Is CB2 tripped?
Instructions
Go to step 63.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at AMD106 J/P01.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PCC J/P 11 to
AMD106 J/P01.
3. Go to steD 63.
1. Set PCC CB 1 and CB2 off.
2. Exchange AMD106.
3. Go to steD 63.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at PCC J/P 12 and
J/P14.
3. Set PCC CB 1 and· CB2 on.
Short in the PCC.
1.
2.
Set PCC CB 1 and CB2,off.
Use YA pages to isolate short to one of
the following nets:
PCC
PCC
PCC
PCC
53
54
Go to Instructions cotumn.
Is CB2 tripped?
55
Go to Instructions column.
56
Is CB2 tripped?
CB2 to PCC TB2
TB2 to PCC K03
TB2 to pce K04
CB2.
3. Exchange defective FRU.
4. Go to steD 63.
Press service~anel Power On.
1. Set' PCC CB 1 and CB2 off.
2. Exchange cable from PCC K03 to PCC
J/P12.
3. Go to step 63.
1. Set PCC CB 1 arid CB2 off.
2. Reconnect cable at PCC J/P 12.
3. Disconnect cable at TR 103 J/PO 1.' '
4. Set PCC CBl and CB2 on.
5. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PCC J/P 12 to
TR103 J/P01.
3. Go to steD 63.
BA010
~ Copyright IBM Corp. 1984
000000000000
o o
PR 014
0 0 0 0 0 0 0 0 0 0 O()OOOOOOO
i t ..
I
Hit
m'
h,
Mete
5+'1"*'*
tlJ4tFld'tH# ..
°to
"1k'
! I'
,.t.. i,wle.
en
W
NMt M
Wf4Lle!HY' ,****bt
1J. . . . . . ....:..M'w."!II"Kiillj
II
0000000000000000000000000000000000
PR 015
SteD
57
Conditions
Instructions
Is CB2 tripped?
1.
2.
Set PCCCB 1 and CB2 off.
Exchange TR 103.
pce
CB2
TB2
Note: Check cable connectors for pushed in
pins and seating before exchanging TR 103.
K03
3.
58
Go to Instructions column.
1.
2.
3.
59
Is CB2 tripped?
Go to step 63.
Press ENTER to end Diagnostic Stop.
Select Diagnostic Power Up (QWD)
screen.
Select option B
(stop after K04 Dicked).
Set PCC CB 1 and CB2 off.
Use VA pages to isolate to one of the
following nets:
PCC K04 to C5, C6, and C7
PCC J/P 14 to inductor L1
PCC C5, C6, and C7 to inductor L1.
3.
Go to Instructions column.
4.
1.
2.
3.
4.
61
Is CB2 tripped and TR 104A,
B, and C are installed?
1.
2.
3.
Exchange defective FRU.
Go to steD 63.
Press ENTER to end Diagnostic Stop.
Reconnect cable at PCC J/P 14.
Select Diagnostic Power Up (QWD)
screen.
Select option B
(stoD after K04 picked).
Set service panel Power Off switch to
Power Off and then back to Normal.
Set PCC CB 1 and CB2 off.
Exchange shorted TR 104A, B, or C.
R103
K04
Short in the PCC.
1.
2.
60
=Ej
--+-------------------J/P12-1
J/P12-5
--4--+C7
--~----+C6+------+
--+---+C5
II
III
J14-3--e-+-+--+
J 14-2-·-0
J14-1
e
TRI04
I1
PSI04
A +--+-+-e--P14-3
B
e--p 14-2
C
•
P14-1
Note: TRI04A, B, and e are
installed on all 50hz ~achines.
They are also installed on 60hz
machines in Japan.
1\
Note: Check for shorted or pinched wires
before exchanging transformer.
4.
62
Go to Instructions column.
1.
2.
3.
Go to steD 63.
Set service panel Power Off switch to
Power Off and then back to Normal.
Set PCC CB 1 and CB2 off.
Exchange PS104.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
su~.
4381-3
B/M 2676380
C> Copyright IBM Corp. 1984
Ii ,;;;
;H;
'Ii
Ii iii; iiii 1;IIilili liiiiii i2ii; iii II .11 Ui Ii! 2ii2:::: iiiiiil iii i
PR 015
PR016
Step
63
Conditions
Go to Instructions corumn.
Instructions
1. Ensure pce CB 1 and CB2 are off.
2. Reinstall and check all cables and cards
for proper seating in the following areas:
pce box
PS101,PS102
AMD101, AMD102
AMD103, AMD104
AMD105, AMD106, AMD107
Diskette drive 1
Diskette drive 2
PS103, TR103
TR104A,B,C
PS104.
3.
4.
Set PCC CB 1 and CB2 on.
Go to DBCIe PR 901.
rPSiOll
~----------J/P02-------J/~
pee
TRlOl
TBI
I
J/P04-3
J/P04-4
IF
LI
•
TRI02
J/POl-l
J/POl-6
AMDID3
J/P05-3- e --J/POl-3
·--J/P 05-4U-J/P 01-1
L
Ar1Dl04
J/POl-l
J/POI-3
i
-+--+-.
I
•
I
DRIVE 1
J/P06-3----CONOl-l
J/P1 06 - 4
CONOl-3
J/P07-3
J/P07-4
I
•
DRIVE 2
COHOl-l
COHOl-3
~A-M-D-I-02--~
·-J/P08-3-e--J/POl-l
J/Poa-4U-J/POl-3
L
AnDI05
J/POl-3
J/POl-1
.•
Ar1Dl 0 1
J/PI0-1- e --J/POl-l
.--J/PIO-4U-J/POl-4
L
AriOl07
J/POl-l
J/POl-4
M1DI06
~~---J/fll-3------J/PC1-1
J/PI1-4
4381-3
B/M 2676380
C)
()
, '/'i
'-"
J/POl-3
MI
1PN 6169067 II EC A20558 ·1 EC A20560 ·1
Ia..;S:;.;:e~ga.....;;.B;.,;A_01.;.,;0~--,-._6...;;0.;..f_6______.. 01 Oct 84 . 18 Feb 85 .
Copyright IBM Corp. 1984
PR 016
0000000000000000000 0000 o 00000000
H
"'!
tW'h de.......
0080000000000000000000000 000000000
+24 Volt Indicator
PR 021
The service panel +24 Volt indicator not on indicates +24 Vdc missing or out of tolerance at 01A-A 1 board.
Possible causes:
•
PS101
•
Open in +24 Vdc distribution
•
PCC F2
•
pce TR 101
•
Service panel.
Some PS 101 outputs are active when PCC CB 1 and CB2 and Unit Emergency Only switch are on and customer line voltage is
present at PCC.
Step
1
Conditions
Go to Instructions column.
2
Is PCe. F2 good?
3
Is PCC F2 open?
4
Is the 24 Volt indicator on?
Is PS 10 1 CP 1 tripped?
Is PS101 CP2 tripped?
Is PS101 CP3 tripped?
Go to Instructions column.
5
6
7
8
Instructions
1. Set pce CB 1 and CB2 off.
2. Ensure the Unit Emergency Only switch is
in the Power Enable position.
3. Check for open PCC F2.
4. Reset any tripped PS 101 CP.
1. Set PCC CB 1 and CB2 on.
2. Go to step 4.
1.
2.
Go
Go
Go
Is voltage greater than 22
Vdc?
Go to page PR 141.
Measure for +24 Vdc at the following points:
1.
2.
107
PS
111
Exchange F2.
Set PCC CB 1 and CB2 on.
to step 32.
to page PR 051.
to page PR 051.
- lead at 01 A-A 1V2D08
+ lead at 01A-A1X4D12.
9
AMO
PS
105 PS·
106
pee
Set PCC CB 1 and CB2 off.
Exchange service panel.
Note: Check for open cable from
01 A-A 1X4D 12 and 013 to service panel
connector A 10 12 and 013 before exchanging
service panel.
10
Go to Instructions column.
3. Go to step 32.
Measure for +24 Vdc at the following points:
Front View
Left Side View
-lead at 01A-A 1V2D08
+ lead at 01A-A 1T1B07.
4381
BIM 2676380
I~~9
~ Copyright IBM Corp. 1984
ill II' ii4iiiIISI3iZlu:s::. . .a; daw:
1L _
BA015
PR 021
PR 022
T1B07
Step
11
12
Conditions
Is voltage greater than 22
Vdc?
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 32.
Measure for +24 Vdc at the following points:
VA
VB
VC
............
VF
VG
.. ........
............
. . VE
. .. .. ·.. YD...... ·...........
..... ~~.....
............
.
.
.
.
.
.
.
.
.
.
.
.
·
......
"
.
..
............ ............ ............ ............ ·." .........
VJ
••••• Yt<..... .............
..... y~..... . •... Y!l•.••. . •••• Yr ••••• ••••• y!'l••.•• • ••••'(fy'••••• · .•.. Y!-.
............
............
·
........
..
.
.
.
.
.
.
.
.
.
.
.
.
............. ............ ............
A
Is voltage greater than 22
Vdc?
1.
2.
15
16
Go to Instructions column.
Is voltage less than +22
Vdc?
Go to Instructions column.
"
" ,.
" ""
"
< •••
"
X
v
W
U
T
S
R
Q
P
N
M
L
•••••
J
K
H
G
F
D
E
C
0
••••
••
B
06
07
08
11
13
02
Set PCC CB 1 and CB2 off.
Exchange open cable from PS10l J/P01
to 01A-A 1YG.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
14
""
"
- lead at 01 A-A 1V2DOB
+ lead at PS 101 J/PO 1-1 or
+ lead at PS101 J/P01-4.
13
"
o ••••••••
13
..........
.." .... ".
ZH
""
" "
." "
"" "
.. ... ~~..... 02
03
04
ZF
ZE
ZD
ZB
" ..... .......... .. ....... " .. " "
... " .ZC....... ." ........
""
. " ... " " .. ......
" ........... ...... " " " " " . ....... " ." .. ... " .... " ... ..... " ..... .
. " . ." " ."
"
ZG
"
~--------------------------------------------------------------------~
PIN SIDE
3. Go to step 32.
Measure for +24 Vdc at the following points:
- lead at 01A-A 1V2DOB
+ lead at PS 101 J/P06-1.
Go to step 23.
o
Measure for +24 Vdc at the following points:
- lead at 01 A-A 1V2DOB
+ lead at PS101 J/P06-2.
17
Is voltage greater than +22
Vdc?
1.
2.
o
Set PCC CB 1 and CB2 off.
Exchange PS 10 1.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
1B
Go to Instructions column.
1·Pin
3. Go to steo 32.
Measure for +24 Vdc at the following points:
r--.,I
r--,
I
.---,
I
I ~
I ~
I __ ---1I~.
L
I... __ ...JI c:IL
- lead at 01 A-A 1V2DOB
+ lead at Unit Emergency Only switch pin
3.
o
I
__ JI
-----,
o
I
I
o
F;-:::r-""F-=:::; --.,
r~-=j
I0
0
'0
I
I
~ .::.":,':I
~-=:=,
I 0
t.~-:.."'k.::::;'=-~~ __ J
0
0
I I
I
l
o
rlQJ
I
II
',I
I
0
- _,c:.,[!7S1
o-c.:.=i.L~ 0 I
...c-;~~01
@5-c:::~~ 0 :
··-100
I
0
l2..2J
r,
0
0
I I
t.oJo
Primary Control Compartment (PCC)
4381
81M 2616380
¢)
I~~g
Rear View
BA015
PR 022
Copyright IBM Corp. 1984
o o o
00000
000000000
o
000000
o
() 0 0 0 0 0 0 0
000000000000000 0000000000 000000000
PR 023
Step
Conditions
Instructions
19
Is voltage less than +22
Vdc?
1.
2.
SteD
26
Set pcc CB1 and CB2 off.
Exchange cable from PS 101 J/P06 to
Unit Emergency Only switch.
Conditions
Is voltage greater than 22
Vac at both points?
Instructions
1. Set pcC CB 1 and CB2 off.
2. Exchange cable from PCC J/P02 to
PS101 J/P07.
Note:
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
3.
20
Go to Instructions column.
Check cable connectors for
pushed in pins and seating before
exchanging cable.
3.
Go to step 32.
27
Measure for +24 Vdc at the following points:
Is voltage less than 22 Vac
at either point?
- lead at 01 A-A 1V2D08
+ lead at Unit Emergency Only switch pin
2.
21
22
Is voltage less than 22 Vdc?
Go to Instructions column.
1.
2.
3.
1.
2.
Go to step 32.'
Measure for line voltage at the following
points:
-lead at PCC CB 1 T1
+ lead at PCC ca, T2.
Set PCC CB 1 and CB2 off.
Exchange Unit Emergency Onlt switch.
Go to step 32.
Set PCC CB 1 and CB2 off.
Exchange cable from .PS 101 J/P06 to
Unit Emergency Only switch.
Note:
28
Is line voltage missing?
1.
Isolate to one of the following:
Customer supplied power
Defective line cord
Defective PCC CB 1 .
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
23
Go to Instructions column.
3.
Go to step 32.
1.
2.
3.
4.
Set PCC CB 1 and CB2 off.
Disconnect PS101 J/P07.
Set PCC CB 1 and CB2 on.
Measure for +24 Vac at the following
points:
2.
3.
29
Is line voltage present?
Is voltage greater than 22
Vac at both points?
1.
2.
Exchange defective FRU.
Go to step 32.
Measure for line voltage at the following
points:
PCC TR10,
PCCTR101
PCC TR 101
PCC TR101
PS101 P07-5 to 7
PS101 P07-6 to 7
(cable end).
24
For line voltage value. see label on
PCC box.
Note:
Set PCC ca 1 and Ca2 off.
Exchange PS 10 1.
TB1-1
TB1-1
TB 1-1
TB1-1
to
to
to
to
2
3
4
5
(208)
(220)
(230)
(240).
For line voltage value. see label on
PCC box.
~
30
Note:
Check cable connectors for pushed in
pins and seating before exchanging power
supply.
3.
25
Is voltage less than 22 Vac
at either point?
Is line voltage present?
1.
2.
Set PCC CB 1 and CB2 off.
Exchange pec TR 101 .
Note: Check cable connectors for pushed in
pins and seating before exchanging TR 101.
Go to step 32.
Measure for 24 Vac at the following points:
31
PCC J/P02-5 to 7
PCC J/P02-6 to 7.
Is line voltage missing?
3.
1.
2.
Go to step 32.
Set PCC CB 1 and CB2 off.
Exchange open cable from PCC TB 1 andpce TR 101 TB 1.
Note: Check wiring at PCC TB 1 and
PCC TR 101 TB 1 before exchanging cable.
3.
4381
B/M 2676380
I~~g
Go to step 32.
BA015
PR 023
«l Copyright IBM Corp. 1984
'4iII"• • • Mi4iZl\IZ ti4 Ii ! !iii i1i:UI i :i1i1i.::iii ::S::iiiiE,hlilJJii• •';;ldeii::i$44lAi_ 8.
2.
6
AMO
107
Set PCC CB 1 and CB2 off.
Reinstall one card that was removed in
step 3 ..
Set PCC CB 1 and CB2 on.
PS
105 PS
106
PCC
1•. Set PCC CB 1 and CB2 off.
2. Remove the card just reinstalled and
continue reinstalling the remaining cards
using steps 5, 6, and 7 until all cards are
reinstalled.
.
•
If only one card is failing; exchange
the card.
If more than one card is failing, you
have a load problem:
Front View
(If Present)
Left Side View
Invoke your support structure.
Exchange PS 101.
7
Go to Instructions column.
4381-3
B/M 2676380
I~~g
" Copyright IBM Corp. 19B4
3.
Go to step 17.
1.
Repeat steps 5, 6, and 7 until all cards are
reinstalled then go to step 17.
BA035
PR 061
PR 062
Step
Conditions
8
Go to Instruction!5 column.
Instructions
1.
2.
3.
4.
g
Is CP 1 tripped?
1.
2.
3.
10
Go to Instructions column.
1.
2.
3.
Set PCC CB 1 and CB2 off.
Reset CPl.
Disconnect cables at 01A-A lX2 and X4.
Set PCC CB 1 and CB2 on.
Set PCC CB 1 and CB2 off.
Exchange 01A-A 1 board.
Go to step 17.
o
11
Is CP 1 in the On position?
Go to step 14.
12
Go to Instructions column.
1.
2.
3.
4.
13
Is CP 1 tripped?
1.
2.
n
l
LJ03--Xl2_,____
OlA-Al
Set PCC CB 1 and CB2 off.
Reconnect cable at lA-A 1X2.
SetPCC CB 1 and CB2 on.
I
X4--A2
~
----I
_
Set PCC CB 1 and CB2 off.
Disconnect cable at PCC J/P03.
Reset CPl.
Set PCC CB 1 and CB2 on.
SERVICE PANEL
z?-J/~
Set PCC CB 1 and CB2 off.
Exchange cable from 01A-A lX2 to PCC
J/P03.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
14
Go to Instructions column.
3.
1.
2.
3.
15
Is CP 1 tripped?
16
Go to Instructions column.
4.
1.
2.
3.
1.
2.
3.
17
Go to Instructions column.
1.
2.
Go to steD 17.
Set PCC CB 1 and CB2 off.
Reconnect cable at 01A-A lX4.
Disconnect cable at service panel
connector A2.
Set PCC CB 1 and CB2 on.
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A 1X4 to
service panel connector A2.
Go to steD 17.
Set PCC CB 1 and CB2 off.
Exchange service panel.
Go to steD 17.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
PCC box
PS101
oV~~-A 1 board
Service p~nel.
3.
YO
YC
YB
...•'!~ ..•.
. ....•..•.•.
.....•......
............
........ .. ...........
............ .......•.... . ........... .•.......•..
YF
YE
........•...
••••• Y!"••••• ..••. y~ ••.. .....•.....•
............ ...........• .............
yro
.•••• Yfl.
oYR
............ ............ ...." .......
0 0.0
x
w
0000
v
u
00' 0 0
0 0 0 0
T
s
R
000 °
Q
Y~o
.• ..•YI)'. : ••• ••••• Y!-••••• ••••• Y!<••• ". .....'fl .....
.....•...... ..•......... . ...........
° ° 00 0
p
N
000 °
M
L
e. • '
K
J
°
\
Reset any tripped CPs.
4. Set PCC CB 1 and CB2 on.
5. ' Go to Daae PR 901.
°
0
••••• ~~.....
• •••• ~~.....
.. Copyright IBM Corp. 1984
I; Ii tilii Ii ;p;; i li4iQ$1 ua;, 4; ilitil$ liiii i i:: iIiImiiiMNiliiX'iiiiliJ!kJiII;:::::PiliJiiiiZil$iiSQAi4;:;;Q;:U."i1i : I!i! lid Ii Ii il¢ $1 12:.=4&P*
i
i£i
as:::z i2 ill : iiEi2ii222
is
PR 132
Step
5
Conditions
Go to Instructions column.
6
Is CP2 tripped?
7
Go to Instructions column.
B
9
Go to Instructions column.
10
Go to Instructions column.
Is CP2 in the On position?
Instructions
1. Set pcc CB 1 and CB2 off.
2. Reconnect cable at PS 102 J 1O.
3. Press Check Reset.
4. Set PCC CB 1 and CB2 on.
5. Press service oanel Power On.
1.
2.
1.
2.
3.
4.
Go
1.
2.
1.
2.
3.
4.
11
12
13
Is CP2 tripped?
Go to Instructions column.
Go to Instructions column.
14
Is CP2 tripped?
15
Go to Instructions column.
1.
2.
3.
1.
2.
3.
1.
2,
3.
4.
5.
1.
2.
3.
1.
2.
3.
4.
5.
Step
Conditions
Is CP2 tripped?
17
Go to Instructions column.
18
19
Is CP2 in the On~osition?
Go to Instructions column.
Go to step 22.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at AFS 102 J/PO 1.
3. Reset CP2.
4. Set PCC CB 1 and CB2 on.
5. Press service panel Power On.
20
Is CP2 tripped?
1.
2.
Short in diskette drive 1.
Go to step 10.
Set PCC CB 1 and CB2 off.
Reconnect cable at PS 102 J 11.
Set PCC CB 1 and CB2 on.
Press service oanel Power On.
to step 13.
Short in diskette drive 2.
Go to step 10.
Set PCC CB 1 and CB2 off.
Disconnect cable at failing diskette drive
connector J/PO 1.
Set PCC CB 1 and CB2 on.
Press service oanel Power On.
Set PCC CB 1 andCB2 off.
Exchange shorted cable from PS 102 to
failing diskette drive.
Go to step 54.
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A2A2 to
AFS102 and 01A-B2 microswitch.
Note:
Check cable connectors for
pushed in pins and seating before
exchanging cable.
Set PCC CB 1 and CB2 off.
Exchange failing diskette drive.
Go to step 54.
3.
1.
2.
Go to steo 54.
Set PCC CB 1 and CB2 off.
Exchange AFS102.
Go to steo 54.
Set PCC CB 1 and CB2 off.
Reconnect cable at 01 A-A2A3.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
21
Go to Instructions column.
22
Go to Instructions column.
1.
2.
3.
4.
23
24
Is CP2 in the On position?
Go to InstruCtions column.
Go to steo 27.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at PS103 J/P02.
3. Reset CP2.
4. Set PCC CB 1 and CB2 on.
5. Press service panel Power On.
3.
Set PCC CBl and CB2 off.
Reconnect cable at PS 102 J/P 14.
Disconnect cable at 01 A-A2YA and
01A-A 1ZF.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
Set PCC CB 1 and CB2 off.
Exchange cable from PS 102 J/P 14 to
01A-A2YA.
Go to step 54.
Set PCC CB 1 and CB2 off.
Reconnect cable at 01A-A2YA.
Disconnect cables at 01A-A2A2, A3, A4,
A5. B2. B3, and B4.
Set PCC CB land CB2 on.
Press service panel Power On.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A2 board.
3. Go to step 54.
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at 01 A-A2A2.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
16
Diskette Drive
YF
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VO
...........•
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VB
·...........
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· ...... " .... ............ ·........... ·........... ............ ............. ·........... ·...........
Q
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M
G
F
E
B A
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0
C
V
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U
J
H
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R
T
.
.
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• e _ •••••••••
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PIN SlOE
4381
B/M 2676380
I~~q
BA070
PR 132
~ Copyright IBM Corp. 1984
0 0 0 0 0 0 0 0 0 0 0 0 () 0 0
o
0 -0- 0 0 0 0 0 0-0- 0 -() 0 0 0 () 0 0 0
• • 0 0 0 0 • • • 8 0 0 0 0 0 0 0 0 0 0 • • 0 • • • • • • • • • 00
PR 133
Step
25
Conditions
Is CP2 tripped?
26
Go to Instructions column.
Step
35
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from 01 A-A2A3 to
PS103 J/P02.
3. Go to step 54.
1. Set PCC CB 1 and CB2 off.
2. Exchange PS103.
Go to Instructions column.
3.
1.
2.
3.
4.
28
29
30
Is CP2 in the On position?
Go to Instructions column.
Is CP2 tripped?
Go
1.
2.
3.
4.
1.
2.
Go to step 54,
Set PCC CB 1 and CB2 off.
Reconnect cable at 01A-A2A4.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
to step 32.
Set PCC CB 1 and C82 off.
Disconnect cable at AFS 105 J/PO 1.
Set on·PCC CB1 and ce2 on.
Press service panel Power On.
Set pce CBl and CB2 off.
Exchange cable from 0' A-A2A4 to
AFS105.
36
Go to Instructions column.
37
Go to Instructions column.
38
Is CP2 tripped?
31
Go to Instructions column.
32
Go to Instructions column.
33
34
Is CP2 in the Onj!osition?
Go to Instructions column.
4381
B/M 2676380
I~~g
1.
2.
3.
4.
Go
1.
2.
3.
4.
39
Go to Instructions column.
40
41
Go to Instructions column.
42
Is CP 2 tripped?
Set PCC ca 1 and CB2 off.
Exchange AFS 105.
Go to step 54.
il!it::::::::::
Set PCC CB 1 and CB2 off.
Exchange AFS 101.
Go to step 54.
1.
Set PCC C81 and CB2 off.
Reconnect cable at 01 A-A2B2.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
Set PCC CB 1 and-CB2 off.
Exchange spare cable at 01A-A2B2.
2.
3.
4.
1.
2.
0
Is CP2 in the On position?
Go to step 54.
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at 01A-A2B3.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
Go to step 44.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cable at AFS 107 J/PO 1.
3. Reset CP2.
4. Set PCC CB 1 and CB2 on.
5. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from 01A-A2B3 to
AFS 107 and 01 A-B 1 microswitch.
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
3.
Go to step 54.
BA070
PR 133
<0 Copyright IBM Corp. 1984
\II
Go to step 54.
1.
2.
3.
3.
Go to step 54.
Set PCC CB 1 and CB20ff.
Reconnect cable at 01A-A2A5.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
to step 37.
Set PCC CB 1 and CB2 eff.
Disconnect cable at AFS 10 1 J/PO 1 .
Set PCC CB 1 and CB2 on.
Press service panel Power On.
3.
Note: Check board for bent pins and cable
connector for pushed in pins and seating
before exchanging cable.
Note: Check' board for -bent pins and
cable connector for pushed in pins and
seating· before exchanging cable.
3.
1.
2.
3.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from 01A-A2A5 to
AFS101.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
27
Conditions
Is CP2 tripped?
ii.i!iIiiiiliilil!i;UUilJiOUA¥4P;;iQl¥i II
tt: :: ,,:
iii:iIii ilL i!2liilZ:as 2i22 =2£'=_" Ut
PR 134
Step
43
Conditions
Go to Instructions column.
44
Go to Instructions column.
45
Is CP2 in the On position?
46
Go to Instructions column.
47
Is CP2 tripped?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange AFS 107.
3. Go to step 54.
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at 01 A-A2B4.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
Go to step 49.
1.
2.
3.
4.
Set PCC CB 1 and CB2 off.
Disconnect cable at AFS 106 J/PO 1.
Set on PCC CB 1 and CB2 on.
Press service panel Power On.
1.
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A2B4 to
AFS106.
2.
Note: Check board
Conditions
Go to Instructions column.
SteD
54
PS101.PS102.PS103
01 A-A 1 board
01 A-A2 board
AFS101,AFS102.AFS105
AFS106,AFS107
01 A-B 1 microswitch
01 A-B2 microswitch
Diskette drive 1
Diskette drive 2.
3.
4.
5.
6.
fo~
bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
48
Go to Instructions column.
49
Go to Instructions column.
3.
1.
2.
3.
1.
2.
3.
50
51
52
53
Is CP2 in the On position?
Go to Instructions column.
Is a short indicated?
Is an open indicated?
4381
B/M 2676380
I~~g
4.
Go
1.
2.
3.
1.
2.
3.
1.
2.
3.
Instructions
1. Ensure PCC CB 1 and CB2 are off.
2. Reinstall and check all cables and cards
for proper seating in the following areas:
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
Go to paae PR 901.
Go to step 54.
Set PCC CB 1 and CB2 off.
Exchange AFS106.
Go to step 54.
Set PCC CB 1 and CB2 off.
Reconnect cable at 01 A-A 1ZF.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
n
fPsWl
to step 54.
Set PCC CB 1 and CB2 off.
Remove 01 A-A 1V2 card.
Measure resistance at the following
points:
I
OlA-A2
PSI02
J/P14---'YA
UOS-C+24 Vdc)-J/P12
I
lj
/P1IO
I
I
~
PSI03
micro-
L.-_--+ switch
A3 --J/PO 2
1
J/Pl1
- lead at 01 A-A 1V2D08
+ lead at 01A-A1V2D13.
Set PCC CB land CB2 off.
Exchange 01 A-A 1 board.
Go to step 54.
I
!
I
OlA-Al
~
IJ/~
A2'----------·
r------.
OIA-B2
Yj---ZF
L
AFSIOI
1'---!---I--'
A4
J
~---~
~FSI05
J/POI
A5-J/POI
!
Dr;vQ 1
J/~Ol
Set PCCCB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
Go to step 54.
!
I
Dr;ve 2
B3~-----------------~
I -J/POI
!
Bl-'
J/~Ol
AFS106
I
B2-unu5ed
•
OIA-B1
microswi tch
L ~
J/~
BA070
PR 134
co Copyright IBM Corp. 1984
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00
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0000000000000000000 • • • 000 000000000
PS 10 1 CP3 Tripped
PR 141
PS101 CP3 tripped indicates a short in the 24 Vdc distribution from PS101 to the PCC contactors K03 or K04.
Possible causes:
•
PCC K03 contactor
•
PCC K04 contactor
•
PCC CR3 diode
•
pce CR4 diode
•
PS101.
Step
Conditions
Instructions
1
Go to Instructions column.
1.
2.
3.
4.
Set service panel Power Off switch to
Power Off and then back to Normal.
Set PCC eBl and CB2off.
Disconnect cable.at pee J/P01.
Measure resistance at the following
points:
-lead at pce J01-12
+ lead atPCe JOl-5
(on PCC box).
2
Is resistance greater than
100 ohms?
Go to step 6.
3
Go to Instructions column.
1.
Is resistance greater than
100 ohms?
5
Go to Instructions column.
6
Go to Instructions column.
PS
111
Disconnect diode pce CR3 (across pce
K03 coil).
2 . Measure resistance at the following
.points:
-lead at PCC JOl-12
+ lead at PCC JO 1-5
(on PCC box).
4
AMD
107
1.
Exchange cable from pce K03 to PCC
J/P01.
2. Go to step 19.
1. Exchange pce K03.
2. Go to step 19.
Measure resistance at the following points:
PS
105 PS
106
PCC
~ 0
o
~
.0
1:10
Is a short indicated?
1.
Exchange cable from PCC J/PO 1 to pce
K03.
0
0
0
0
(If Present)
Left Side View
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
2.
Go to step 19.
Jack
(Wiring Side)
J/POl
4381
B/M 2676380
I~~9
=_
2
.r-"
0
..l
..J,
0
0
0
oQ 0
[p:
G
--
Primary Control Compartment (PCC)
BA075
PR 141
CI Copyright IBM Corp. 1984
i iII!i£2SS;UIb::::ZiJ!iiliJiiiSJ"!£5Ai!iI"'U"
L
0
0
Front View
- lead at frame ground
+ lead at pce JO 1-5
(on PCC box).
7
[J
us
PR 142
Step
8
Conditions
Go to Instructions column.
Instructions
1. Exchange cable from
PS101 J/P04.
Conditions
Is a short indicated?
Step
Instructions
1. Reconnect pee PO 1.
2. Measure resistance at the following
points:
1.8
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
- lead at frame ground
+ lead at pee J/P01-5.
9
Is a short indicated?
1.
Exchange cable from
PS101 J/P04.
pec
J/PO 1 to
2.
19
2.
Check cable connectors for
pushed in pins and seating before
exchanging cable.
Go to Instructions column.
11
Is resistance greater than 5
ohms?
12
Go to Instructions column.
2.
Go to step 19.
1.
2.
Disconnect cable at PCC J/PO 1.
Measure resistance at the following
points:
PCC box
PS101.
3.
4.
5.
1.
Disconnect diode PCC CR4 (across PCC
K04 coil).
Measure resistance of the following
points:
- lead at pce JOl-7
+ lead at pee J01-6
(on PCC box).
Is resistance greater than 5
ohms?
14
Go to Instructions column.
15
Go to Instructions column.
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to Dace PR 901.
-lead at PCC J01-7
+ lead at PCC JO 1-6
(on PCC box).
Go to step 15.
2.
13
Go to step 19.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
1.
Go to Instructions column.
Note:
10
pce J/PO 1 to
1.
Exchange cable from
J/P01.
Go to step 19.
PCC
PS10l
I
J/P04-8--(+24V)
J/POl-5 ==f. K03
J/P04-11-Cpi ck)i---J/POl-12
.
pee K04 to pec
I I
2.
1. Exchange PCC K04.
2. Go to step 19.
Measure resistance at the following points:
. . .
J/POl-6,-------+ K04
J/POl-7'-------+
J/P04-9--(+24V)
J/P04-12-Cpi ck)
- lead at frame ground
+ lead at PCC JO 1-6
(on PCC box).
16
Is a short indicated?
17
Go to Instructions column.
1.
2.
1.
2.
Exchange cable from PCC J/PO 1 to PCC
K04.
Go to step 19.
Reconnect PCC PO 1 .
Measure resistance at the following
points:
- lead at frame ground
+ lead at PCC PO 1-6
(on PCC box).
4381
B/M 2676380
I~~g
BA075
PR 142
C Copyright IBM Corp. 1984
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(
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0. ', 0 ,0 C'
1
~y
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'
-
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• • 0 . 0 0 • • • • 0 0 0 0 0 0 • • • 00 • • • •
Power Codes OA, AO
"j.,
I
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:r"'W''#('t5!:t'ut' 'mill""
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•••••••••
PR 151
Power code indicates a tripped CP in PS 102.
Possible causes:
•
PS102
•
Short in PS 102 DC distribution
•
01A-A 1V2 card.
Step
1
Conditions
Go to Instructi()Os column.
Instructions
1. Set PCC CB 1 and CB2 off.
2.- Record and reset any tripped CP.
3. Set PCC CB 1 and CB2 on.
2
Is any CP tripped now?
1.
2.
~
Set PCC CB 1 and CB2 off.
Exchange PS 102.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
AMD
107
Set PCC CB 1 and CB2 on.
4. Go to page PR 901.
Go to page PR 231.
3.
3
Is a power code of OA or
AO?
4
Go to Instructions column.
1.
2.
3.
Go
Go
Press Check Reset.
Press service panel Power On.
Check PS102 for any tripped CP.
to page PR 161. to page PR 171 ...
5
Is CP 1 tripped?
6
Is CP2 trlm!.ed?
7
8
9
10
11
Is CP3 trjp~ed?
Is CP4 tripped?
12
Are all CPs in the On position
and is the power code OA or
AO displayed?
Go to page PR 231.
13
Go to Instructions column.
Go to page PR 901.
Is CP5 trlm!.ed?
Is CP6 trlm!.ed?
Is CP7 tripped?
Go to page PR 181.
Go
Go
Go
Go
to page
to page
to page
to page
PR
PR
PR
PR
191.
201.
211.
221.
PS
105 PS
106
PS
111
PCC
Front View
Left Side View
4381
B/M 2676380
I~q
o Copyright IBM Corp. '984
BA080
PR151
t
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000000 •• 0000000 000.000 •• 0 000000000
PR 161
PS102 CP1 Tripped
PS102 CPl tripped indicates a short in the +5 Vdc distribution to the01A-A2 board.
Possible causes:
•
PS102
•
PS105 through PS112
•
olA-A lV2
Step
1
2
card.
Conditions
Go to Instructions column.
Is CP 1 tripped?
Instructions
1. Set PCC CBl and CB2 off.
2. Disconnect cables at PS102 J/P05.
J/poe, J/P08, and J/P09.
3. Reset CP1.
4. Set PCC CB1 and CB2 on.
5. Press service oanelPower On.
1. Set PCCCB 1 and CB2 off.
2. Exchange PS102.
AMD
107
PS
111
Note: Check cabte connectors for pushed in
pins and seating before exchanging power
supply.
Go to st~p 44.
Set PCC CB 1 and CB2 off.
Reconnect cables at PS102 J05, JOe,
JOB, and J09.
3. Disconnect cables at 01A-A2VD, YE, ZG,
and ZH (pin side).
4. Set PCCCB1 and CB2 on.
5. Press service oanel Power On.
Go to stel! 9.
1. Set PCC CB 1 and CB2 off.
2. Disconnect cables at PS 102 J/P05 and
J/P06.
3. Reset CP1.
4. Set pce CB 1 and CB2 on.
6. Press serviceJ)~nel Power On.
3.
3
4
5
Go to Instructions column.
Is CP 1 in the On position?
Go to Instructions column.
1.
2.
PS
105 PS
106
pee
Front View
(If Present)
Left Side View
YG
............
............ ............
YF
.. ......................
.. ......................
..... '[~..... . .... '[9...•.
............ ............
............
.•... 'ft!••.•.
X
W
ZH
V
U
T
ZG
..... r~ .....
S
R
ZF
Q
YE
.. ......................
VC
YB
. .. .. .. .. YO
. . . .. .. . .. .. .....................
.. .....................
............ .. ...................... .. .. . .. .. .. .. . .. .. . .. .. ......................
. ... .Y~....• •.• ••Y~••••• .•... 'fl-..... • •••• Y!<•••••
.. ...................... . ...................... .. ...................... .. ......................
P
N
M
L
ZE
K
ZD
J
H
G
ZC
F
E
0
ZB
YA
.. ......................
06
07
.. ...... " .............. 08
. .... '!~ .....
.. ......................
C
B
ZA
A
11
13
02
13
............ 02
~••-.-.-••-.-.-••-.-.--.-.-.-••-.-.-••-.-.-.--.-.-••-.-.-"-'-'-"---"-'-'-"-'-'-'~"~'~'~'~"-'-'-"-'-'-"---'-"-'-'-"-'-'-"-'--'-'-'-'-"-'-'-"-'-'--'-'-"-'-'-"-'-'-"j~
PIN SIDE
4381
B/M 2676380
I~~g
e Copyright IBM Corp. 1984
BA085
PR 161
PR 162
SteD
6
Conditions
Is CP 1 tripped?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PS 102 J/P08 and
J/P09 to 01 A-A2ZG and ZH (pin side).
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
3.
7
Go to Instructions column.
1.
2.
3.
8
Is CP 1 tripped?
4.
5.
1.
2.
Go to steo 44.
Set PCC CB 1 and CB2 off.
Reconnect cables at PS, 02 J05 and J06.
Disconnect cables at PS 102 J/P08 and
J/P09.
Set PCC CB 1 and CB2 on.
Press service oanel Power On.
Set PCC CB 1 and CB2 off.
Exchange cable from PS 102 J/P05 and
J/P06 to 01A-A2YD and YE (card side).
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before· exchanging cable.
9
Go to Instructions column.
3.
1.
2.
3.
4.
10
11
Is CP 1 tripped?
Go to Instructions column.
5.
1.
2.
3.
1.
2.
3.
4.
Go to steD 44.
Set PCC CB 1 and CB2 off.
Reconnect cables at 01A-A2YD, YE, ZG,
and ZH (pin side).
Disconnect cables at 01 A-A 1ZF,
01A-A2A2, A3, A4, A5, B2, 83, and B5
(card side).
Set PCC CB 1 and CB2 on.
Press service Danel Power On.
Short in 01 A-A2 board or cards.
Reset CPl.
Go to DaaePR 251.
Set PCC CB 1 and CB2 off.
Reconnect cable at 01A-A 1ZF (card side).
Set PCC CB 1 and Ca2 on.
Press service Danel Power On.
SteD
12
Conditions
Is CP 1 tripped?
13
Go to Instructions column.
14
Is CP 1 tripped?
Instructions
1. Short inO 1A-A 1 board or cards.
2. Go to page PR 241.
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at 01A-A2A5.
3. Set PCC CB 1 and CB2 on.
4. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable at 01A-A2A5.
Note: Check board for bent pins and cable
connector for pushed in pins and seating
before exchanging cable.
15
Go to Instructions column.
16
17
Is CP 1 in the On Dosition?
Go to Instructions column.
18
Is CP 1 in the On position?
3.
1.
2.
3.
4.
Go
1.
2.
3.
4.
5.
1.
2.
Go to step 44.
Set PCC CB 1 and CB2 off.
Reconnect cable at 01 A-A2A4.
Set PCC CB1 and CB2 on.·
Press service Danel Power On.
to step 24.
Set PCC CB 1 and CB2 off.
Disconnect cable at PS107 J/P01.
Reset CPl.
Set PCC CB 1 and CB2 on.
Press service panel Power On.
Set PCC CB 1 andCB2 off.
Exchange PS107.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
19
Go to Instructions column.
3.
1.
2.
3.
4.
5.
6.
20
Is CP 1 in the On position 1
1.
2.
.Go to stQP 44.
Set PCC CB 1 and CB20ff.
Reconnect cable at PS 107 JO 1.
Disconnect cable at PS108 J/P01.
Reset CPl.
Set PCC CB 1 andCB2 on.
Press serVice panel Power On.
SetPCC CB 1 and CB2 off.
Exchange PS 108.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply;
3.
4381
B/M 2676380
I~~g
Go to step 44.
BA085
PR 162
~ Copyright IBM Corp. 1984
o o
OO(}()OOO
o
() 0 0 0 0 0
( .Y
""\.'
.' .
o ()
o o o
( ",
.
•.
,
,)I
O()OOOO()
""''',,'\! '{"HI'u':'
;, "fY''W'
'1'"
ooooooeooooooooooooooo •• o
000000000
PR 163
Step
21
22
Conditions
Go to Instructions column.
Is CP 1 tripped?
Instructions
1. Set pcc CB 1 and CB2 off.
2. Reconnect cable at PS 108 J/PO 1•
3. Disconnect cable at PS 109 J/PO 1.
4. Reset CPl.
5. Set PCC CB 1 and CB2 on.
6. Press service panel Power On.
1. Set PCC CBl and CB2 off.
2. Exchange cable from 01 A-A2A4 to
PS107, PS108, and PS109.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
3.
23
Go to Instructions column.
4.
1.
2.
Also suspect PS 102 CP 1.
Go to step 44.
Set PCC CB 1 and CB2 off.
Exchange PS109.
Note: CheckeabJe connectors for pushed in
Step
25
Conditions
Is CP 1 tripped?
Note: Check board for bent pins and cable
connector for pushed in pins and seating
before exchanging cable.
26
Go to Instructions column.
27
28
Is CP 1 in the On position?
Go to Instructions column.
29
Is CP1 in the On position?
pins· and seating before exchanging power
supply.
3.
24
Go to Instructions column.
1.
2.
3.
4.
. Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange cable at 01A-A2A3.
Go to step 44.
Set pee CB 1 and Ce2 off.
Reconnect cable at 01A-A2A3.
Set PCC CB 1 and Ca2 on.
Press servic.e panel Power On.
3. Go to step 44.
1. Set PCC CB 1 and CB2 off.
2. Reconnect cable at 01 A-A2A2.
3. Set PCC CB 1 and CB2 on.
4. Press service oanel Power On.
Go to step 33.
1. Set pec CB 1 and CB2 off.
2. Disconnect cable at PS 105 J/P02.
3. Reset CPl.
4. Set pce CB 1 and CB2 on.
S. Press service panel Power On.
A torque wrench and a 1/4 to 3/8 drive
adapter are needed to exchange the power
supply. For tool part numbers, see Volume
A07, page REM 001.
1.
2.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
, ..
30
Go to Instructions column.
3.
1.
2.
3.
4.
5.
4381
81M 2676380
I~~q
o Copyright IBM Corp. '984
Set PCC CB1 and CB2 off.
Exchange PS10S.
Go to step 44.
Set PCC CB 1 and CB2 off.
Disconnect cable at PS 106 J/P02.
Reset CP1.
Set PCC CB 1 and CB 1 on.
Press service panel Power On.
BA085
PR 163
PR 164
Step
31
Conditions
Is CP 1 in the On position?
Instructions
A torque wrench and a 1/4 to 3/8 drive
adapter are needed to exchange the power
supply. For tool part numbers, see Volume
A07, page REM 001.
1.
2.
32
Go to Instructions column.
Step
38
Conditions
Is CP' in the On position?
Set PCC CB 1 and ,CB2 off.
Exchange PS 106.
1.
2.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
pins and seating before exchanging power
supply.
3.
1.
Go to steo 44.
Exchange cable from 01 A-A2A2 to
PS10S and PS106.
cable connector for pushed in pins and
seating before exchanging cable.
34
Go to Instructions column.
Is CP 1 tripped?
39
Go to Instructions column.
40
Is CP 1 in the On position?
2.
1.
2.
3.
4.
1.
2.
Go to steo 44.
Set PCC CB 1 and CB2 off.
Recorinect cable at 01 A-A2B2.
Set PCC CB 1 and CB2 on.
Press service oanel Power On.
Set PCC CB 1 and CB2 off.
Exchange cable at 01A-A2B2.
1.
36
37
Is CP 1 in the On oosition 7
Go to Instructions column.
4381
B/M 2676380
I~~g
3.
1.
2.
3.
4.
Go
1.
2.
3.
4.
S.
Go to steo 44.
Set PCC CB 1 and CB2 off.
Reconnect cable at 01A-A2B3.
Set PCC CB 1 and CB2 on.
Press service oanel Power On.
tosteo 42.
Set PCC CB 1 and CB2 off.
Disconnect cable at PS 111 J/P02.
Reset CPl.
Set PCC CB 1 and CB2 on.
Pressser~ice Danel PoWer On ..
Set PCC ca 1 and Ca2 off.
Exchange PS 112.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
3.
41
Go to Instructions column.
Go to step 44.
Set PCC CB 1 and CB2 off.
Disconnect cable at PS 112 J/P02.
3. Reset CPl.
4. Set PCC CB 1 and CB 1 on.
5. Press service panel Power On.
A torque wrench and a 1/4 to 3/8 drive
adapter are needed to exchange the power
supply. For tool part numbers, see Volume
A07. page REM 001.
3.
1.
2.
2.
Note: Check board for bent pins and cable
connector for pushed in pins and seating
before exchanging cable.
35
Set PCC CB 1 and CB2 off.
Exchange PS 111.
Note: Check cable connectors for pushed in
Note: Check board for bent pins a'1d
33
Instructions
A torque wrench and a 1/4 to 3/8 drive
adapter are needed to exchange the power
supply. For tool part numbers, see Volume
A07, page REM 001.
Go to Instructions column.
1.
2.
Go to steD 44.
Set PCC ca 1 and CB2 off.
Exchange cable from 01 A-A2e3 to
PS111 and PS112.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
42
;;
Go to Instructions column.
3.
1.
2.
3.
4.
Go to step 44.
Set pec Cal and CB2 off.
Reconnect 01A-A285.
Set pce CB 1·and Ca2 on.
Press service panel Power On.
BA085
PR 164
e Copyright IBM Corp. 1984
f~
'.,
I
/
0'''l."J!
0 0 0
tf"--l\
'~jJ
(~
. r
10 0···, ·(0 0 0 0 0 0 0 0 0 0 0 () 0 0 0 0
o o
()
00 OO(
•
0 00 0 0 • • 0 0 • 0 • 0 0 0·0 •
eo • •
o '•• ,0·,0
0 0 0
0 000
PR 165
SteD
43
Conditions
Is CP 1 tripped?
I
Instructions
1. Set pec CB1 and CB2 off.
2. Exchange cable at 01 A-A285.
PSI02
J/P5A-·-(+SV)-YO
J/~6A~
)
Note: Check board for bent pins and cable
44
J/P8A-·--(+SV)---ZH
J/P9A....J
connector for pushed in pins and seating
before exchanaing cable.
1. Ensure PCC CB1 and CB2 are off.
2. Reinstall and check all cables and cards
for proper seating in the following areas:
Go to Instructions column.
4.
5.
I
(ZF)
OIA-AI
lJ2
CVJ)
rAIAI3-C+SV sns)--Q6 Ao4-----.--DO 5
'--010
K2003
A2003------------·---J/t 02- 12
'
PSIOS
L-J'P~~O-2~--12----P-S-I-0-6--
01 A-A2 board
01A-A1 board
PS102,PS105
PS106,PS107
PS108,PS109
PS111, PS112.
3.
I
01A-A2
I
A4D03--(+SV>---·--J/t OI- 2
·--J/t 01-2
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to oaae PR 901.
PSI07
'---_----.II
PSI08
L-J,p'-!0-1---2- .......P-S-I-0-'---'
B3D03-(+SV>-.-JI'~02-12
PStl1
L- 'P:'-O-2--1-2-'---P-SI-I-2-J
4381
B/M 2676380
e ~ IBM Corp.
I~~g
1984
I
PN 6169082
BA086
.6M6
II
EC A20558
I
,I
_________-L________~________~______________~.
.L_~O~1~O~c~t~8~4~L
PR 165
0000000000000000000000000000000000
oooooooooooeooo
000.000000 000000000
PR 171
PS102 CP2 Tripped
PS102 CP2 tripped indicates a short in the +5 Vdc distribution to the 01A-A 1 and 01A-A3 boards or sense line.
PS102 CP2 tripped is sensed by a 1xxxxxxx Ref Code.
Step
Conditions
1
Go to Instructions column.
2
Is power complete?
Is CP2 tripped?
3
4
5
Is there an eight-digit Ref
Code displayed?
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Reset PS 102 CP2.
3. Set PCC CB 1 and CB2 on.
4. Press Power On switch on OCP.
5. Allow time for I/O to sequence on.
Go to page PR 451 .
1. Do not reset CP2.
2. Press OCP Power On.
3. Allow time for I/O to sequence up.
Go to page PR 1001.
Go to page PR 001.
AMD
107
PS
111
PS
105 PS
106
pee
Front View
(If Present)
Left Side View
4381
B/M 2676380
I~~g
e Copyright IBM Corp. 1984
BA090
PR 171
,
0 '0-:0~
,
_
O'
_
0";0" __ j I '
(-)-o--'o-o-(-),()o()o·'ooo-'o-,o"o-\o,nO~-i'O-'(I~nn.;10--.::0-,10,.-.-0"(-'0-"
i
" ,
'.. .
_.' '
.
J!
'\ ...
Jv
'.
JI
..II
. _..
/
'_.' .
'___
,__ ' '
' __
I ..
I
'.:
',_, '
I
'\.
I ,. .) /
,_ J
_
-'
_
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o 0.0 e.G. 0 0 0 0 0 • • 0 0 0 0 0 0
PR 181
PS 102 CP3 Tripped
PS 102 CP3 tripped indicates a short in the +5 Vdc distribution to the diskette drives.
Possible causes:
•
PS102
•
Short in dc distribution cable
•
Diskette drive 1 or diskette drive 2 shorted.
Step
Conditions
Instructions
1
Go to Instructions column.
1.
2.
3.
4.
2
Is CP3 tripped?
5.
1.
2.
Set service panel Power Off switch to
Power Off and then back to Normal.
Disconnect cables at PS 102 J/P 10 and
J/P11.
Reset CP3.
Press Check Reset.
Press service~Itanel Power On.
Set PCCCS1 and CB2off.
Exchange PS102.
AMO
107
PS
111
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supplV.
3
Go to Instructions column.
3.
1.
4.
1.
2.
1.
2.
3.
Short in diskette drive 1.
Go to step 8.
Reconnect cable at PS 102 J 11.
Press Check Reset.
Press service panel Power On.
1.
Short in diskette drive 2.
Go to step 8.
2.
3.
4
Is CP3 tripped?
5
Go to Instructions column.
6
Is CP3 tripped?
Go to step 11.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at PS102 J10.
Press Check Reset.
Press service panel Power On.
2.
PS
105 ps
106
PCC
Front View
Left Side View
4381
B/M 2676380
I~~g BA09S
~ Copyright IBM Corp. 1984
PR 181
PR 182
SteD
7
8
Instructions
Go to step 11.
Conditions
Go to Instructions column.
Go to Instructions column.
1.
2.
3.
..
4.
5.
9
Is CP3 tripped?
1.
2.
-
Set service panel Power Off switch to
Power Off and then back to Normal.
Ensure cables are reconnected at PS102
J/P 10 and J/P11.
Disconnect cable at the failing diskette
drive connector J/PO 1..
Press Check Reset.
Press service Danel Power On.
Set PCC CB 1 and CB2 off.
Exchange cable from PS 102 to diskette
drive.
TB4
J/P01
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
TB3
TR104-C*
10
3.
1.
Go to Instructions column.
2.
3.
4.
11
Go to Instructions column.
1.
2.
Go to steD 11.
Set service panel Power Off switch to
Power Off and then back to Normal.
Set PCC CB 1 and CB2 off.
Exchange diskette drive.
Go to step 11.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
TR104-B*
Diskette Drive
TR 100'-4.;.;~~"';;""-+-i
PS102
Diskette drive 1
Diskette drive 2.
3.
4.
5.
*TR 104A, B, and C.
. Only on all 50 Hz and 60 Hz Japan machines.
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to Dace PR 901.
Front View
DRIVE 1
PSI02
J/PIO-2-(+5V)-·-J/POI-BOl
DRIVE 2
J/Pll-2-(+5V)-J/POI-BOl
~--~
4381
B/M 2676380
I~~g
I
~
_ _ _ _....J
BA095
o Copyright IBM Corp. 1984
,01
'~Jr
OO()()O
0
. )V
1
O()O()
o
00 00
0 0 0 () ()
o o
C()O()O
o
DOC
"'IIt'II/"
l
""Ntil!'
.00000 •• 00000000000000.00 000000000
PR 191
PS102 CP4 Tripped
PS102 CP4 tripped indicates a short in the +8.5 Vdc distribution to the 01A-A2 board.
Possible causes:
•
PS102
•
Short in de distribution
•
01 A-A 1V2 card.
Step
Conditions
1
Go to Instructions column.
2
Is CP4 tripped?
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Disconnect cable at PS102 J/P15.
3 .. Reset CP4.
4. Press Check Reset.
5. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange PS 102.
AMD
107
PS
111
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
Go to step 14.
Set service panel Power Off switch to
Power Off and then back to Normal.
2. Reconnect cable at PS 102 J 15.
3. Disconnect cable at 01A-A2ZE (pin side).
4. Press Check Reset.
5. Press service panel Power On.
Short in dc distribution between P$102 J/P 15
and 01 A-A2ZE.
3.
3
4
Go to Instructions column.
Is CP4 tripped?
1.
1.
2.
PS
105 PS
106
PCC
Set PCC CB 1 and CB2 off.
Exchange cable from PS 102 J/P 15 to
01A-A2ZE (pin side).
Front View
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
3.
4381-3
B/M 2676380
«l Copyright IBM Corp. 1984
Go to step 14.
Left Side View
PR 191
PR 192
SteD
6
6
Conditions
Go to Instructions column.
Is CP4 triDDed?
Go to Instructions column.
7
8
Is CP4 tripped?
9
Go to Instructions column.
10
. 11
Is CP4 in the On position?
Go to Instructions column .
1.
2.
3.
4.
5.
S.
12
Steo
13
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Reconnect cable at 01A-A2ZE (pin side).
3. Disconnect cable at 01 A-A 1ZF (card
side).
4. Disconnect cable at 01 A-A2ZE (card
side).
6. Press Check Reset.
6. Press service oanel Power On.
Go to Daoe PR 261.
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Reconnect cable at 01A-A 1ZF (pin side).
3. Press Check Reset.
4. Press service Danel Power On.
Go to palle PR 241.
1. Set service panel Power Off switch to
Power Off and then back to. Normal.
2. Reconnect cable at 01A-A2ZE (card side).
3. Press Check Reset.
4. Press service panel Power On.
Go to steo 14.
Is CP4 tripped?
1.
14
Instructions
Failure in modem or modem cable external to
the processor.
Conditions
Go to Instructions column;
Go to Instructions column.
PS102
01 A-A 1 board
01 A-A2 board
01G.
Set service panel Power Off switch to
Power Off and then back to Normal.
Disconnect RSF cable at 01 G-CCA2.
Reset CP4.
Set service panel Power Off switch to
Power Off and then back to Normal ..
'.
Press Check Reset.
Press serviceoanel Power On.
Exchange cable from 01A-A2ZE (card
side) to 01G-CCA2.
·.......... .
............ ....... ...... ........... . ............ ..... ......
..... y~..... ..... YP..... . •... Yr ...•. ••.•. y~••... . ••..'!~•....
',' ... ............
·........ .. .p.. ....
M .. L
N
K
J
x w V U ."'T s· R
.. '..' .. .. . .'
..... '!!'I..... . ..... Y.~ ...•
.
YO
YE
............
............
YF
,
Note:
Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
~"
~
'
.
.
.
YB ....
........
·.......... ., ........ ............
·........... ............
YL
•••• •Y!<••... . .... '!~ .....
·...........
·........... ............ ............
YC
.,.... y~....•
'
'
H
.. ..
G
F
...
o
E
C
B
A
06
07
08
11
13
02
Go to steo 14.
ZH
............
[j
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to oaae PR 901.
3.
4.
6.
Q
2.
Correct or exchange failing device.
Go to steo 14.
Ensure PCC C81 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
1.
2.
1.
2.
I
I
I------I~EI
I
OlA-A2
ZF
ZG
............
........ . '. ............
ZE
...........
.
............ ·........... ........... .
ZO
ZC
ZB
13
..... ~~..... 02
03
~~----------------------------------~P~IN~S~IO=E~·~----------------------------------~
(ZF)
OIA-Al
04
[J2
PSI02
(ZE)
(YJ)
J/P15-10--. .--(+8.5V)--M6D03
r--AIC13--(+8.5V sns)--Q6C04----·--D06·
'--D1l
-11--.
K2Bl1
-12---'
1-.
OIG-CCA2
4381-3
B/M 2676380
I~~g
BA100
CI Copyright IBM Corp. 1984
() 0 0 0
'
(.
j
o () () o
()
o
'0 0 ()
000
o
PR 192
0 ()
00000
:. '.
" . ~__>
"._)1
.:,.
_3/
I
!1!L!!,L!l11dt
',11
IUIHI,1!!,
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 • • 00
PS 102 CP5 Tripped
o •
0 0·.0 0 0 0 0
PR 201
PS 102 CP5 tripped indicates a short in the -5 Vdc distribution to the diskette drives, 0 1A-A 1, and 01 A-A2.
Possible causes:
•
PS102
•
Short in diskette drive 1 or diskette drive 2
•
Short in dc distribution
•
01 A-A 1V2 card.
SteD
1
Conditions
Go to Instructions column.
2
Is CP5 tripped?
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Disconnect cables at PS102 J/P10,
J/P1', and J/P14.
3. Reset CP5.
4. Press Check Reset.
5. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange PS 102.
AMO
Note: Check cable connectors for pushed in
107
PS
111
pins and seating before exchanging power
supply.
3.
3
Go to Instructions column.
1.
2.
3.
4
5
Is CP5 tripped?
Go to Instructions column.
4.
Go
1.
2.
3.
S
7
Is CP5 tripped?
Go to Instructions column.
4.
Go
Go
Go to step 18.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at PS102 J10 (diskette
drive 1).
Press Check Reset.
Press service panel Power On.
to step 8.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at PS 102 J 11 (diskette
drive 2).
Press Check Reset.
Press service panel Power On.
to step 8.
to step 11.
PS
105 PS
106
PCC
Front View
(If Present}
Left Side View
4381
B/M 2676380
o Copyright IBM
:u:u
I~~g
Corp.' 984
BA105
PR 201
PR 202
Step
8
Conditions
Go to Instructions column.
9
Is CPS tripped?
10
Go to Instructions column.
11
Go to Instructions column.
12
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Disconnect cable at failing diskette drive
connector J/P01.
3. Ensure cables are reconnected at PS102
J10 and J11.
4. Reset CPS.
S. Press Check Reset.
6. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange the cable from PS 102 J/P 10 or
J/P 11 to the failing diskette drive.
3. Go to step 18.
1. Set PCC CB 1 and CB2 off.
2. Exchange diskette drive.
3. Go to step 18.
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Reconnect cable at PS102 J14.
3. Disconnect cable at 01 A-A2YF (pin side).
4. Press Check Reset.
5. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PS 102 J/P 14 to
01A-A2YF(pin side).
Is CP5 tripped?
TB3
TR104·C*
TR104·B*
TR 100-m~.;r--r."'"
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
13
3.
1.
Go to Instructions column.
2.
3.
4.
14
5.
Go
Is CP5 tripped?
Go to step 18.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at 01 A-A2YF (pin Side).
Disconnect cable at 01 A-A 1ZF (card
side).
Press Check Reset.
Press service panel Power On.
to page PR 2S1.
*TR104A, B, and C.
. Only on all 50 Hz and 60 Hz Japan machines.
Front View
VC
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06
08
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13
02
03
M
PIN SIDE
4381
B/M 2676380
I~g
BA105
PR 202
C Copyright IBM Corp. 1984
o
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PR 203
Step
15
Conditions
Go to Instructions column.
16
17
18
Is CP5 tripped?
Go to Instructions column.
Go to Instructions column.
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Reconnect cable at 01 A-A 1ZF (card side).
3. Press Check Reset.
4. Press servic~ panel Power On.
Go to page PR 241.
Go to step 18.
1. Ensure PCC CB 1 and CB2 are off.
2. Reinstall and check all cables and cards
for proper seating in the following areas:
PS102
o1A-A 1 board
01 A-A2 board
Diskette drive 1
Diskette drive 2.
3.
4.
S.
J/P01
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to Daoe PR 901.
Diskette Drive
OlA-Al
I OlA-A2 I.
(YF)
(YJ)
J/P14-10--(-5V)--·--QIC07 r--AIB13--C-5V sns)-Q6B 04---DO.4.
J/Pl1-6--·
L-..RIE06 . I
'---DO 9
,--_J/-.lP10 - 6 -.
I K2B06.
(ZF)
PSI02
I
I
I~J/POI-AOl
L-
DRIVE 1
4381
B/M 2676380
I~~g
"Copyright IBM Corp. 1984
I
PN 6169086
BA10S
.30f3
II
EC A20558
[02
°L
DRIVE 2
J/POI-AOI
I
.~.~0~1~0~c~t~8~4~~.
__________~________~________~________~
PR 203
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I
,
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... .....
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~-~
..
~--~.~~~~--.~-
~~-~.-
~~.
-
.~~~..
--..
--------~~
~
0000000000000000000000000000000000
o
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 • • • • 00
8·0 0 0 0.0 0 0
PR 211
PS 102 CP6 Tripped
PS 102 CP6 tripped indicates a short in the -12 Vdc distribution to the 01 A-A2 board.
Possible causes:
•
PS102
•
Short in DC distribution
•
01A-A 1V2 card.
Step
1
2
Conditions
Go to Instructions column.
Is CP6 tripped?
Instructions
1. Press service panel Power Off.
2. Disconnect cables at PSt02 J/P15.
3. Res&t CP6.
4. Set service panel. Power Off switch to
Power Off and then back to Normal.
5. Press Check Reset.
6. Pr&ss service Danel Power On.
1. Set PCC CB1 andCB2 off.
2. Exchange PS t02.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
AMD
107
PS
111
PS
105 PS
106
3.
3
Go to Instructions column.
1.
2.
3.
4.
4
Is CPS tripped?
5.
6.
1.
2.
Go to steD 14.
Press service panel Power Off.
Reconnect cable at PS 102 J15.
Disconnect cable at 01A-A2ZA.
Set service panel Power Off switch to
Power Off and then back to Normal.
Press Check Reset.
Press service panel. Power On.
Set PCC CB1 and CB2 off.
Exchange cable between PS 102 J/P 15
and 01 A-A2ZA.
pee
Front View
Left Side View
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
3.
Go to steD 14.
VE
·......VD" .....
.....VG
....... .....VF....... ··...........
............ ......... .. ............ ........... ·......... " .
••. ••Yf{••••• .•.•• Y~ ••.• ..... y~ ..... •••• •Y!'!••••• ..••.'(¥;••••
............ ............ ............ ·........... ·...........
..... yti.....
~
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·...........
VK
VL''' ...
·...........
.......
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vc
. ......•....
............
• • • • • • • • !' • • •
~.
H
G
F
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VA
·." .........
·"...... " ...
VJ
·...........
·........... "13
0&
07
08
C
8
A
02
..,
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13
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ZG
ZF
ZD
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ZC
Z8
..... ~~..... 02
03
04
PIN SIDE
4381
BIM 2676380
I~g
«I Copyright IBM Corp. 19B4
BA110
PR 211
PR 212
Step
5
Conditions
Go to Instructions column.
Instructions
Step
Conditions
1.
13
Go to Instructions column.
6.
Go
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at 01A-A2ZA.
Disconnect cable at 01 A-A 1ZF.
Disconnect cable at 01 A-A2ZE (card
side).
Press Check Reset.
Press service oanel Power On.
to oaoe PR 251.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at 01 A-A 1ZF.
Press Check Reset.
Press service oanel Power On.
to oaQe PR 241.
2.
3.
4.
5.
6
7
Is CP6 tripped?
Go to Instructions column.
,.
a
Is CP6 tripped?
2.
3.
4.
Go
9
Go to Instructions column.
1.
10
Is CP6 in the On oosition?
2.
3.
4.
Go
11
Go to Instructions column.
1.
2.
3.
4.
5.
12
Is CP6 tripped?
1.
1.
2.
14
Go to Instructions column.
1.
2.
Repair or exchange failing device.
Go to step 14.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in· the following areas:
PS102
01 A-A 1 board
01A-A2 board
01G gate.
3.
4.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at 01A-A2ZE (card side).
Press Check Reset;
Press service oanel Power On.
to steo 14.
5.
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to Dace PR 901.
Set service panel Power Off switch to
Power Off and then back to Normal.
Disconnect RSF cable at 01 G-CCA2.
Reset CP6.
Press Check Reset.
Press service oanel Power On.
Exchange cable from 01A-A2ZE (card
side) to 01G-CCA2.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
2.
Instructions
Failure in modem or modem cable external to
the processor.
IpS102i
(14)014-A2 (!J)
.
I.·-----'~I
.
J/P15-3--(-12V)--A6C03
Go to steo 14.
(ZF)
OIA-A!
[U2
.---BIA13-C-12V sns)--R6AO 4----e--DO 2
D2P06 I
'--DO 7
OIG-CCA2
4381
BIM 2676380
I~~g
BAllO
PR 212
e Copyright IBM Corp. 1984
o
o o
00 ()
o
0 0 0 00 () 0 0 0
o
0 0 0 0 0 0 () 0 0 0 0
o
0 0 0 0 0 0 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0· • • 0 0 0 • • 0 0 0 0 0 0
PS102 CP7 Tripped
PR 221
PS102 CP7 tripped indicates a short in the +12 Vdc distribution to the 01A-A2 board.
Possible causes:
•
PS102
•
Short in DC distribution
•
olA-A lV2 card.
Step
1
2
Conditions
Go to Instructions column.
Is CP7 tripped?
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Disconnect cables at PS102 J/P14 and
J/P15,
3. Reset CPl.
4. Press Check Reset,
5, Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange PS102,
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
3.
3
Go to Instructions column,
1.
2.
3,
4
Is CP7 tripped?
4.
5.
1.
2.
Go to st~9.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cables at PS 102 J 14 and J 15.
Disconnect cables at 01 A-A2VA and VC
(pin side),
Press Check Reset,
Press service panel Power On.
Set PCC CB 1 and CB2 off.
Exchange cable between PS102 J/P14,
J/P15 and 01A-A2VA, VC.
AMD
107
PS
111
PS
105 PS
PCC
106
Front View
(I f Present)
Left Side View
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
5
Go to Instructions column.
3.
1.
2,
3.
4.
5.
Go to st~9.
Set service panel Power Off $witch to
Power Off and then back to Normal.
Reconnect cable at 01A-A2YA and VC
(pin side).
Disconnect cable at 01 A-A 1ZF (card
side).
Press Check Reset.
Press service~anel Power O~.
VD
VC
VG
VE
VH
VB
............
.....VF....... ·...........
.•... '!~.....
......•.....
·...........
·...........
·...........
............ ·........... ............ ·............ ·........... ·............ ...... ....... ....... ....
~
, ..•. YfI..... •• ..• YR •.•. ••••• Y~ .•••• ... .. Y~..... • ••••Y~••••• • •••• Y!-••••• •••••Y!<••••• ••••• Y~ .....
............ ·........... ............ ·........... ·........... ·...........
X
W
ZH
v
U
T
ZG
S
a
R
ZF
p
N
ZE
M
L
K
ZD
J
H
G
ZC
• • • • • • • It • • • •
F
D
E
ZB
............ "13
B
A
C
02
13
..... ~~..... 02
03
L-"_'_"_'_"_'_"_'__'_'_"_'_'_"_'_"_'__'_'_"_'_'_"_'_"_'--'-'-"-'-"-'-'-"-'--'-"-'-'-"-'-"_'_'__'_"_'_"_'_._
••_._.__._
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••_._
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PIN SIDE
4381
B/M 2676380
I~~g
e Copyright IBM Corp. 1984
06
07
08
~
BA115
PR 221
PR 222
6
Conditions
Is CP7 tripped?
Instructions
Go to paQe PR 25 1
7
Go to Instructions column.
1.
Steo
2.
3.
a
9
Is CP7 tripped?
Go to Instructions column.
4.
Go
1.
2.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reconnect cable at 01 A-A 1ZF.
Press Check Reset.
Press service panel Power On.
to page PR 24 1.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
PS102
01 A-A 1 board
01 A-A2 board.
3.
4.
5.
4381
B/M 2676380
I~~g
1A
(lAl0 -A2 (lJl
IPS102i
Reset any tripped CPs.
Set pce C8l and CB2 on.
Go to paQe PR 901.
J/P14-1--( +12V ) - A l E07
I
OlA-A1
~2
eZF)
r-AID13-C +12V sns)-Q6D04-·-813
L-D12
D2Pll
I
BA115
PR 222
e Copyright IBM Corp. 1984
() 0 0 0
o 00 o
0.' (.). 0" 0,,; ()
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0000000000000000000000.00
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False CP Tripped Indication
PR 231
Power code OA or AO with no CPs tripped indicates a false PS 102 CP tripped condition.
Possible causes:
•
PS102
o
•
Open CP tripped sense loop
•
01A-A 1V2 card.
SteD
1
2
3
Instructions
Measure for +24 Vdc at the fol/owing points:
Is voltage greater than +22
Vdc?
-lead at o1A-A 1V2D08
+ lead at o1A-A 1V2B02.
1- Set PCC CB 1 and CB2 off.
2. Exchange 0 1A-A 1V2 card.
3. Go to step_ 12.
Measure for +24 Vdc at the following points:
4
Is voltage greater than +22
Vdc?
5
Go to Instructions column.
6
I II
Conditions
Go to Instructions column.
Go to Instructions column.
Is voltage greater than +22
Vdc?
AMD
107
PS
111
Jack
(Pi~ Side)
- lead at 0 tA-A 1V2D08
+ lead at 01A.;.A 1W1B06.
1. Set PCC CB 1 and CB2 off;
2. Exchange 01A-A 1 board.
3. Go to steQ 12.
Measure for +24 Vdc at the following points:
1.
2.
- lead at o1A-A 1V2D08
+ lead at PS 102 J/P 13-2.
Set PCC CB 1 and CB2 off.
Exchange cabte from 01 A-A 1YH to
PS102 J/P13.
PS102
PS
105 PS
106
8
Go to Instructions column.
Is voltage greater than +22
Vdc?
3. Go to st~ 12.
Measure for +24 Vdc at the following points:
1.
2.
- lead at o1A-A 1V2D08
+ lead at PS 102 J/P 13-1.
Set PCC CB 1 and CB2 off.
Exchange PS 102.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
3.
J/P13
PCC
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
7
o
Front View
(If Present)
Left Side View
W1 B06
V1D06'
..... Y.~ .... ·........... .. ............ ..•......... ............
.... :r'!'•••••
............ ............ ·........... ............ . ........... ............ ··...........
........... ............
..... Y~ .... .•.. •YR .•.. ..... yr ..... • ..• .Y!".• .•• . •..•y¥•.... ••••• Y!-••••• ••••• 'f!C••••• • ••.• Y~ •.•..
............. .. . .. ... .. . .. ... .. ·.............. ............... ............... .. ............ ·............. .............
p
x w v
YF
YO
YE
YC
YB
..
u
T
s
Q
R
N
M
L
K
J
H
G
F
o
E
C
B
A
06
07
08
11
13
02
Go to step 12.
ZH
ZG
ZF
ZE
ZO
ZC
ZB
13
ZA
............ 02
-.-..-.-..-.-.--..-.-..-.-..-..-.-.--.-..-.-..-.-..-.-..--.-.-..-.-..-..~.~.~
..~.~..-.-..-.-..-.-.--..-.-..-.-..-.-..-.--'-"-'-"-'-"-'-"--'-'-"-'-"-'-"-'~' ~
03
~.-...
PIN SlOE
4381
B/M 2676380
I~~q
to Copyright IBM Corp. 1984
BA120
PR 231
PR 232
SteD
9
10
Conditions
Go to Instructions column.
Is voltage greater than +22
Vdc?
Instructions
Measure for +24 Vdc at the following points:
,.
2.
-lead at 01A-A1V2D08
+ lead at 01A-A 1V1D06.
Set PCC CB 1 and CB2 off.
Exchange cable from PS 102 J/P 13 to
01A-A1YH.
tJ
·OlA-Al
Note:
Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
PSI02CP3 CP4
CPl
CYH)
V2
.-.-.-.-.-.-J/P13-2-WiB06---B02
[
11
Go to Instructions column.
12
Go to Instructions column.
3.
1.
2.
3.
1.
2.
Go to steD 12.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 12.
I
(YH)
.--.-.--.-.--.--J/P13-1----VlD06--+24V
CPS CP6 CP7
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
PS102
01 A-A 1 board.
3.
4.
5.
4381
B/M 2676380
I~~g
BA120
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to Daoe PR 901.
I~~f ~169089
1.1-1. ;:~;. :.~. . .;~ !: .:tO~: :.;,.!~8-'-1_ _ _ _
--L_ _ _ ____J'___ _ _ _'___ _ ____1
PR 232
II Copyright IBM Corp. 1984
o
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00 0 0 0 0 0 0 0
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'Y '"....
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" .' . .~!....
''''''/''_ _
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000000000000000 0000000000 000000000
Short In 01 A-A 1 Board
PR 241
You are here because a short is indicated in the 01A-A 1 board.
Step
1
Conditions
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Remove cards from the 01A-A 1 board.
3. Disconnect cable at 01 A-A 1ZF (card
side).
4. Measure resistance at the pin location in
table
for the failing CP.
a
With card 01 A-A 1V2 removed, all readings
should indicate an open.
2
Is a short indicated?
3
Go to Instructions column.
1.
2.
3.
1.
2.
4
Is resistance less than 100
ohms?
5
Go to Instructions column.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 5.
Reinstall 01 A-A 1V2 card.
Measure resistance at the pin location in
table
for the failing CP.
III
The meter should indicate more than 100
ohms.
1. Set PCC CB 1 andCB2 off.
2. Exchange 01 A-A 1V2 card.
3. Go to step 5.
1. Ensure PCC CB 1 and CB2 are off.
2. Reinstall 01 A-A 1 cards.
3. Reconnect cabJe at o1A-A 1ZF (card side).
4. Reinstall and check all. cables and cards
for proper seating in the 01 A-A 1 board.
5. Reset any tripped CPs.
6. Set PCC CB 1 and CB2 on.
7. Go to paoe PR 901.
Failing
CP
Measuring Points
WithV2
Removed
CPl
CP4
CP5
CP6
CP7
01A-A1V2005 to
01A-A1V2006 to
01 A- A 1V2004 to
01A-A1V2002 to
01A-A1V2012 to
Open
Open
Open
Open
Open
008
008
008
008
008
'Failing
CP
Measurina Points
WithV2
Installed
CPl
CP4
CP5
CP6
CP7
01A-A1V2005 to
01A-A1V2006 to
01A-A1V2004 to
01A-A1V2002 to
01A-A1V2012 to
>
>
>
>
>
008
008
008
008
008
100 Ohms
100 Ohms
100 Ohms
100 Ohms
100 Ohms
AMD
107
PS
111
PS
105 PS
106
pcc
Front View
(I f Present)
Left Side View
4381
B/M 2676380
I~~q
CD Copyright IBM corp. 19B4
BA125
PR 241
0000000000000000000000000000000000
000000000000000 0000000000 000000000
PR 251
Short In 01A-A2 Board
You are here because an indication of a short in the
SteD
1
Conditions
Go to Instructions column.
2
Is any PS 102 CP tripped?
3
Go to Instructions column.
4
Is any PS 102 CP tripped?
1.
3.
4.
5.
1.
2.
3.
4.
6
Is any PS 102 CP tripped?
Conditions
Go to Instructions column.
SteD
8
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Ensure PCC CB 1 and CB2 are off.
3. Reinstall and check all cables and cards
for proper seating at the 01 A-A2 board.
4. Reset any tripped CPs.
5. Set PCC CB 1 and CB2 on.
6. Go to paoe PR 901.
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A2YJ to
01 A-A 1ZF Icard side).
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
.-
Go to Instructions column.
board.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Reset tripped CP.
3. Remove all cards from the 01A-A2 board.
4. Remove the cable from 01A-A~YJ (card
side·).
5. Set PCC CB 1 and CB2 on.
6. Press Check Reset.
7. Press service Danel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A2 board.
3. Reset tripped CP.
4. Go to steD 8.
1. Reconnect DC sense cable at 01A-A2YJ
(card side).
2. Press Check Reset.
3. Press service oanel Power On.
2.
5
d 1A-A2
1.
Reinstall cards.
Reset tripped CP.
Go to steD 8.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reinstall one card in 01A-A2 board.
Press Check Reset.
Press service Danel Power On.
Remove the card just reinstalled, and
continue installing the remaining cards
using steps 5,6, and 7.
•
If only one card is failing; exchange
the card.
•
If more than one card is failing, you
have a load problem:
Invoke your support structure.
AMD
107
PS
111
PS
105 PS
106
PCC
Exchange PS102.
1
Go to Instructions column.
2.
1.
Go to steD S.
Repeat steps 5, 6. and, 7 until all cards
are reinstalled then 00 to step S.
Front View
Left Side View
4381-3
B/M 2676380
o Copyright IBM Corp.
I~~g
1984
BA130
PR 251
,
I
,0000000000000000000000000000000000
0000000000000000000000000 000000000
PR261
Power Codes 1A ,A 1, 2A, A2
Power codes 1A, A 1, 2A, and A2 indicate -5 Vdc missing or out of tolerance at the 01 A-A2 board.
Possible causes:
•
Open in -5 Vdc distribution
•
Open in -5 Vdc sense line
•
01A-A 1V2 card
•
PS102.
Step
1
Conditions
Go to Instructions column.
2
3
Is a power code displaved?
Go to Instructions column.
5
Is there a lA, A 1, 2A, or A2
power code displayed?
Is TR102 Fl good?
6
Go to Instructions column.
7
8
power complete?
Go to Instructions column.
4
'S
Instructions
1. Set pec CBl and CB2 off.
2. Set PCC C8l and Ca2 on.
3. Wait 30 seconds.
This will ensure an accurate ~ower code.
Go to st~24.
. Press Check Reset.
2. Press service panel Power On.
3. Wait 10 seconds.
1. Set PCC CB 1 and CB2 off.
2. Check TR102 Fl.
1. Set PCC CB 1 and CB2 on.
2. Gotost~8 ..
1- Exchange F 1.
2. Set PCC CB 1 and CB2 on.
3. Press service panel Power On.
Go to step 27.
Measure for -5 Vdc at the following points:
,
AMO
107
PS
111
Ps
-lead at PS102 J/P14-11
+ lead at PS102 J/Pl4-l0.
105 PS
106
PCC
To make a voltage check:
,.
2.
Press Check Reset.
Press service panel Power On.
Voltage is present for 2 to 5 seconds.
Front View
Left Side View
4381
BIM 2676380
I~~g
o Copyright IBM Corp. 19S4
BA135
PR 261
PR 262
Step
Conditions
Instructions
9
Is voltage -4.5 to -5.5 Vdc?
Go to Instructions column.
Go to step 14.
10
1.
2.
3.
4.
Set PCC CB 1 and CB2 off.
Disconnect PS 102 PO 1.
Set PCC CB 1 and CB2 on.
Measure for 5 Vac at the following
points:
PS102 P01-7 to P01-1
PS102 P01-4 to P01-1
(cable end).
Jack
To make a voltage check:
1.
2.
11
(Pin Side)
J/POl
Press Check Reset.
Press service panel Power On.
Voltaae is Dresent for 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange PS 102.
Is voltage greater than 4.5
Vac at both points?
o
o
I I
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
12
13
Is voltage less than 4.5 Vac
at both Doints?
Is voltage less than 4.5 Vac
at one point?
3. Go to steD 27.
Go to page PR 361 .
1.
2.
Set PCC CB 1 and CB2 off.
Exchange TR 102.
Note: Check cable connectors for pushed in
pins and seating before exchanging TR 102.
14
Go to Instructions column.
PS102
3. Go to step 27.
Measure for -5 Vdc at the following points:
- lead at 01 A-A2V2D08
+ lead at 01 A-A 1V2D04
+ lead at 01A-A 1V2D09.
R1E07
To make a voltage check:
1.
2.
15
Is voltage -4.5 to -5.5 Vdc at
both points?
• 0 ••• '!'~
•• 0',
A1B13
01e07
.....YG
.......
YO
YE
........•...
............
............ ............ ............ ............
Press Check Reset.
Press service panel Power On.
..... y~..... ..... y~ .... .., •• Y~ ••••• •••• •Y~••• "
............ . ...................... .. ...................... .. .. .. .. . .. . .. .. .. ..
x w v U T S R Q P N M
....... .....
YC
..........
' .• .'.... r~.....
............ ............
06
07
08
. •.•. Ytc....•
11
. .... .. . . ............... ............
. ... .. ..'!~.
G
E
0
Voltaae is Dresel'lt 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01A-A 1V2 card.
3. Go to step 27.
ZH
ZG
ZF
'0' 0
L
00.0
K
zo
ZE
J
00'00 Y1-o 0000
F
H
ze
ze
13
C
B
O' 0 ••
~o
02
••••
13
02
03
L-"_'_"_'_'_o,_,_o_,__,_,_,,_,_,_o,_,_,_,,___
,,_,_,_o_o°_°_'4'°_'--°_°_°_'_'°_'_'_'0_0_'--'_00_'_0_"_0_'_"_0--_'0_0_'_00_0_'_"_0_0__0_'_'_00_0_'_00_0_'_0__0_'_'0_0_0_o._.~o~oo ~
PIN SIDE
06B04
4381
B/M 2676380
I~~g
BA135
I
II
PN 6169092
,20f3
.
EC A20.558I
-+________~~
~.~O~1~O~ct~8~4~~.__________________~____________~______________
PR 262
C Copyright IBM Corp. 1984
()OOOOO
o o
10··'
.J
o ()
0
o
0 () 0 0 O· 0 0 0 0
0··0 ( ) OO()OO
y
o
r ~""r'I'Jj"
nj"
'.'
,','."
;UI.Lll'W" '~'"l""r"""""'rT! HII,")'T ,·,,,.'YTli"p'miP'ro..,
;1IIlL!':'r,mlfjllll....~li..!!!:prt.!J,
'&d '1 ' Uritt++'!'·'l...J.bd!-b
! "
d'
KIt 'Ii
I, v', ',.,.
W··,·, I
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'V"'IIIi('
4'01"«'1(['%
«, . ,f'l"',!'''
' ....
•. !'/";W'I\'IKJU,,,iVfiYf' "J',uyil Copyright IBM Corp. 1984
,f''''1
<-Y
BA140
PR272
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OO()OOOO()O
0000000000000000000000000 008000000
PR 273
SteD
19
Conditions
20
Go to Instructions column.
Is voltage -11.6 to -12.6
Vdc?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange open cable from PS 102 J 16 to
01A-A2ZA (pin side).
3. Go to step 23.
Measure for -12 Vdc at the following points:
-lead at o1A-A 1V2D02
+ lead at 01 A-A 1V2DOS.
21
Is voltage 0.0 to -0.8 Vdc?
22
Go to Instructions column.
23
Go to Instructions column.
Set pce CB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
3. Go to step 23.
Go to page PR 361.
1.
2.
1.
2.
3.
Ii> . . . . . . . . . . . . . .
VG
•
•
....
•
•
G
..................
•
•
0
•••••
YF
............
.....YE
.......
.. .. .. ... ... .. . ...
~
.. . . . . . . . . Ii,J . . . . . . . . . . .
.. . . . . . . . . 0
.. ......................
............
R
p
Q
Reset any tripped CPs.
Set PCC CB 1 and· CB2 on.
Go to paQe PR 901.
ZH
ZG
............
.
.... ••••••••
• • •• .. • •••••
~..........
..............
VB
••••• "!'~•••••
06
07
••• ••••••••• 08
N
M
.. .. .. .. .. .. .. .. . .. . ..
L
K
J
.. ...................... ••••••••••••
F
E
H G
11
•••••••••••• 13
02
. ....... ...
.................... 0...
ZO
ZC
. ......•....
13
ZA
............ 02
• •••••••••• •
••• ••• •••• ••
•••••••••• ••
•••••••••• ••
•• ••••• •• •••
03
ZF
ZE
~
ZB
~--------------------~~----------~------------------------------+-----~~
PIN SIDE
R6A04
B6E03
1A
(lAl0 -A2 (!Jl
.
~ Copyright IBM Corp. 1984
..
............
J/PlS-3--C-12V>--A6C,03
I~~g
VC
............
..... yft ...• ••••• Yfl.••.• •••• •Y~ .•.•• • ••.. Y!"••••• ••• ••'!fYI••••• ..... '!~..... . .... Y!'..... . .... '!~ .....
.. ...................... .. ......................
x w v
u
s
T
IPSI02i
4381
81M 2676380
VO
............
.. ..................
Ensure PCC CB 1 and C82 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
PS102
01A-A 1 board
01A-A2 board.
4.
5.
••••• '!!'f•••••
......
I
r-BIA13-C-12V
D2P06
(ZF)
OlA-Al
[U2
sns)--R6A04----·--D02
'-DO 7
BA140
PR 273
!(
{) 0 0 0 0 0 0 0 0 0 0 0 0 0 () 0 0 0 0 () 0 0 0 0 0
() 0
f}
0 0 0 0 0
oil
II
'\""",,"'6""
[I"
'"
,,"j
'i,'·'"
'I'
l1l.I1&11.1;'.0
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I
1'''!'llljII'lfPVP
"+i
I,
'tIMiP'
'1 •• , 1 ' :ri4-i"MLM.L', *"4!JJiJ!tih!"W~11 i"fe'!'"' fIlH,.'lIttlff""W'Wf""i II'W.".'3',''tt#''·'&'H,,! _'"
h"
,
I,'t,!
I
ilM!!lMWlUwIl1ft"fU,,,J
11
'I''''
J'
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,
rldr!"
""",,?I"'"
I
'P',",.""',
'''' ."r"'"
b' 'Hr""
MN
tt:.tfd'
,',*M
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 • • 00 0 0 0 0 0 0 0 0 0
PR 281
Power Codes 5A, A5, 6A, A6
Power codes SA, AS, 6A, and A6 indicate +S Vdc missing or out of tolerance at the 01A-A2 board.
Possible causes:
•
Open in +S Vdc distribution
•
Open in +S Vdc sense line
•
o1A-A 1V2 card
•
PS102
•
Short in 01 A-A 1 board.
Step
Conditions
1
Go to Instructions column.
2
Is a power code displaved?
Go to Instructions column.
Instructions
1. Set pec CB 1 and CB2 off.
2. Set PCC CB 1 and CB2 on.
3. Wait 30 seconds.
AMD
107
PS
111
This ensures a vafid power code.
Go to step 25.
Measure for +5 Vdc at the following points:
c
3
- lead at PS102 J/P10-1
+ lead at PS 102 J/P 10-2.
To make
1.
2.
4
5
Is voltage greater than +4.5
Vdc?
Go to Instructions column.
a voltage check:
PS
105 PS
106
PCC
Press Check Reset.
Press service panel Power On.
B
o
o
o
o
Voltage is present 2 to 5 seconds.
Go to step 9.
Front View
1.
2.
3.
Set PCC CB 1 and CB2 off.
Disconnect PS 102 P02.
Set PCC CB 1 and CB2 on.
Measure for 5 Vac at the. following points:
(If Present)
o
o
o
Left Side View
PS102 P02- 2 to 1
PS102 P02- 3 to 1
PS102 P02- 5 to 4
PS102 P02- 6 to 4
PS102 P02- 9 to 7
PS102 P02- 8 to 7
PS102 P02-11 to 10
PS102 P02-12 to 10
PS102 P02-14 to 13
PS102 P02-15 to 13
(cable end).
To make a voltage check:
1.
2.
Press Check Reset.
Press service panel Power On.
PS102
Jack
(Pin Side)
4381
81M 2676380
I~~g
e Copyright IBM Corp. 1984
J/P10
BA145
PR 281
PR 282
Steo
6
Conditions
Is voltage greater than 4.5
Vec at all points?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange PS 102.
SteD
12
Conditions
Go to Instructions column.
Instructions
Measure for +5 Vdc at the following points:
- lead at 01 A-A 1V2D08
+ lead at 01A-A 106A04.
Note: Check cable connectors for pushed in
7
8
Is voltage less than 4.5 Vac
at all ooints?
Is voltage less than 4.5 Vae
at one point?
pins and seating before exchanging power
supply.
To make a voltage check:
3. Go to step 28.
Go to page PR 361.
2.
1.
2.
Set PCC CB 1 and CB2 off.
Exchange TR 102.
Note: Check cable connectors for pushed in
pins and seating before exchanging TR 102.
9
Go to Instructions column.
3. Go to steD 28.
Measure for +5 Vdc at the following points: .
1.
13
Is voltage greater than +4.5
Vdc?
14
Is voltage less than +0.8
Vdc?
Is + 1 to +4 Vdc present at
either point.
15
To make a voltage check:
1.
2.
10
Is voltage greater than +4.5
Vdc at both points?
11
Is voltage less than +4.5 Vdc
at one point?
16
Is a short indicated?
17
Is an open indicated?
18
Is a short indicated.
19
Go to Instructions column.
Press Check Reset.
Press service panel Power On.
Voltaae is oresent 2 to 5 seconds.
1. Set pce CB 1 and eB2 off.
2. Exchange 01 A-A 1V2 card.
3. Go to step 28.
1. Set PCC CB 1 and CB2 off.
2. Exchange· 0 1A-A 1 board.
3. Go to step 28.
Voltaae is Dresent 2 to 5 seconds.
1. Set pee CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 28.
Go to step 19.
1.
2.
3.
- lead at o1A-A 1V2D08
+ lead at 01A-A 1V2D 10
+ lead at 01A-A 1V2D05.
Press Check Reset.
Press service panel Power On.
Set PCC CB1 and CB2 off.
Disconnect cable at 01 A-A 1ZF (card
side).
Measure resistance to ground at the
following point:
+ lead at 01A-A 106A04.
Leave meter connected to
01A-A 106A04.
2. Remove 01A-A 1V2 card.
3. Observe meter readina.
1. Exchange 01 A-A 1V2 card.
2. Go to steo 28.
1. Exchange 01A-A 1 board.
2. Go to steD 28.
Measure for +5 Vdc at the following points:
1.
- lead at 01 A-A 1V2D08
+ lead at 01A-A2A 1A 13.
I
To make a voltage check:
1.
2.
Press Check Reset.
Press service panel Power On.
Voltaae is Dresent 2 to 5 seconds.
4381
B/M 2676380
C Copyright IBM Corp. 1984
OO()OO() () OO()O()OO OO()OOOOOOO
PR 282
() 00 0
(J
,'/:
'
.W'"
4+.'".'
L.:. ........
"+uy
PR 283
20
21
Conditions
Is voltage greater than +4.5
Vdc7
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange open cable from 01A-A2YJ to
o1A-A 1ZF.
3. Go to step 2S.
Measure for +5 Vdc at the following points:
Step
25
Conditions
Go to Instructions column.
To make a voltage check:
Instructions
Measure for +5 Vdc at the following points:
26
Is voltage less than +O.S
Vdc7
1.
2.
27
2S
Go to Instructions column.
3.
Go
- lead at 0 1A-A 1V2DOS
+ lead at 01A-A2K1B07.
Go to Instructions column.
1.
2.
1.
2.
22
Is voltage greater than +4.5
Vdc7
23
Go to Instructions column.
Press Check Reset.
Press service panel Power On.
-lead at 01 A-A 1V2DOS
+ lead at PS102 J/P05-A
+ lead at PS 102 J/P06-A
+ lead at PS 102 J/POS~A
+I~ad at PS102 J/P09-A.
To make a voltage check:
1.
2.
24
Is voltage greater than +4.5
Vdc at all points?
Press Check Reset.
Press service panel Power On.
- lead at 01A-A 1V2DOS
+ lead at 01A-A lV2D05.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
Go to ste(! 2S.
to page PR 351.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
PS102
01 A-A 1 board
01 A-A2. board.
Voltage is present 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A2 board.
3. Go to step 2S.
Measure for +5 Vdc at the following points:
3.
4.
5.
Reset any tripped CPs.
Set peCCB 1 and CB2 on.
Go to page PR 901.
K1B07
YF
YE
YG
. ..........•
·...........
·...........
..•.....•.•. ............ ·............
.. ....... ............ ·...........
·........... ·........... ·........... ..... ....... ............ ...........
YJ
, •••. Y!-••.•• ••••• Y~••••• ·...............
...•. y~.••.• ..••. yR •••. · .•.. Y~ .•.•• ••••. Y!",.". ..,.
..............
·............
· ............ ·............ ·........... ............ . ..... ........ ............
••••• '!'!i•••••
YO
YC
YB
YA
,,!~,,,,,
w
x
v
U
T
S
a
R
P
N
M
L
K
J
H
G
F
E
06
07
08
11
13
02
Voltaoe is present 2 to 5 seconds.
+5 Vdc present at these points indicates that
both distribution cables are open from PS 102
to 01A-A2:
1.
2.
3.
Check cable plugging.
Check PS 102 output voltages.
Go to step 2S.
ZH
ZF
ZG
'" ••••• •
ZE
ZO
ZC
ZB
13
ZA
•••••• •• • ••• 02
L'_'_o,_,_,,_,_,,_,_,__
,_o,_,_,o_o_,,_,_,,___
,,_,_,,_,_o,_,_,,~,__
o_,,_,_,_o._._
••_._.__
,,_._
••_._,._._
••_.__,_
••_._._
,,_,_,o_,_,__
,,_,_,,_,_,_,,_,_,,__o_,_o,_,_,_o,_o_"-J'
03
~
PIN SIDE
Q6A04
TRI02
5 Vac
t
PSI02
·-J/P02-2
·--j/P02-3
·-J/P02-5
·-J/P02-6
rotn
L-J/P02-9
·-J/P02-1
I
fOlH2l
I
(yJ)
J/P05-A--(+5V)--YD
r--AIA13--(+5V
J/P06-A--(+5V)--y~E
J/P08-A--(+5V)--ZG
J/P09-A--(+5V)--ZH
K2D03
eZF)
OIA-AI
[]2
sns)--Q6A04--·--D05
L-DIO
·-J/P02-4
5 Vac
4381
B/M 2676380
I~~q
C Copyright IBM Corp. 1984
'l l
I'
[I lUI
ooeooo()oo
0000000000000000000000000
Step
"JI
·-j/P02-7
·-J/P02-10
L-J/P02-13
--J/P02-S
·-j/P02-11
·-J/P02-12
·-J/P02-14
L-j/P02-15
BA145
PR 283
GOOOOOOOOOOOOOOOOOOOOoooooor
o
(}I
000000000000000 0000000000 000000000
PR 291
Power Codes 7 A, A 7, 08,80
Power codes 7A, A7, OB, and BO indicate +8.5 Vdc missing or out of tolerance at the 01A-A2 board.
Possible causes:
•
Open in +8.5 Vdc distribution
•
Open in +8.5 Vdc sense line
•
o1A-A 1V2 card
•
PS102.
Step
1
Conditions
Go to Instructions column.
o
I I
Instructions
1.
2.
3.
2
3
Is a power code disRI~ed7
Go to Instructions column.
o
Set PCC CB 1 and Ca2 off.
Set PCC CB 1 and Ca2 on.
Wait 30 seconds.
This ensures a valid power code.
Go to step 20.
Measure for +8.5 Vdc at the following points:
PS102
- lead at PS 102 J/P 15-9
+ lead at PS102 J/P15-12.
To make
1.
2.
a voltage check:
Jack
(Pin Side)
Press Check Reset.
Press service panel Power On.
J/P15
Volta~e
4
5
Is voltage greater than +8
Vdc?
Go to Instructions column.
i"s present 2 'to 5 seconds. .
Go to step 9.
AMD
107
1.
2.
3.
PS
111
Set PCC CB 1 and CB2 off.
Disconnect PS 102 PO 1 .
Set' PCC CB 1 and CB2 on.
Measure for 8.5 Vec at the following points:
PS102 P01-6 to 12
PS102 P01-9 to 12
(cable end).
To make a voltage check:
PS
105 PS
106
1.
2.
PCC
Press Check Reset.
Press service panel Power On.
Voltage is present 2 to 5 seconds.
Front View
Left Side View
4381
B/M2616380
I~~g
o Copyright IBM Corp. 1984
BA150
PR 291
PR 292
Step
6
Conditions
Is voltage greater than 8 Vac
at both points?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange PS102.
Step
12
Conditions
Go to Instructions column.
Instructions
Measure for +8.5 Vdc at the following points:
-lead at 01A-A 1V2D08
+ lead at 01A-A 1Q6C04.
Note: Check cable connectors for pushed in
7
8
Is voltage less than 8 Vac at
both points?
Is voltage less than 8 Vae at
one pOint?
pins and seating before exchanging power
supply.
To make a voltage check:
3. Go to step 23.
Go to page PR 361.
1.
2.
1.
2.
Set PCC CB1 and CB2 off.
Exchange TR 102.
Note: Check cable connectors for pushed in
pins and seating before exchanging TR 102.
9
Go to Instructions column.
13
Is voltage greater than +8
Vdc?
14
Go to Instructions column.
Voltaae is present 2 to 5 seconds.
1. Set PCC ce 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 23.
Measure for +8.5 Vdc at the following points:
- lead at 01 A-A 1 V2D08
+ lead at 01A-A2A1C13.
3. Go to step_ 23.
Measure for +8.5 Vdc at the following points:
To make a voltage check:
- lead at 01 A-A 1V2D08
+ lead at 01 A-A 1V2D06
+ lead at 01A-A 1V2D1'.
1.
2.
To make a voltage check:
1.
2.
10
Is voltage greater than +8
Vdc at both points?
11
Is voltage less than +8 Vdc
at one point?
Press Check Reset.
Press service panel Power On.
Voltaae is present 2 to 5 seconds.
1. Set PCC CB 1 and Ce2 off.
2. Exchange 01 A-A 1V2 card.
3. Go to step 23.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 23.
Press Check Reset.
Press service panel Power On.
15
Is voltage greater than +8
Vdc?
16
Go to Instructions column.
Press Cheek Reset.
Press service panel Power On.
Voltage is present 2 to 5 seconds.
1. Set pee CB 1 and eB2 off.
2. Exchange open cable from 01A-A2YJ to
01A-A1ZF.
3. Go to steo 23.
Measure for +8.5 Vdc at the following points:
- lead at 01 A-A 1V200S
+ lead at 01A-A2M6003.
,-
To make a voltage check:
j
!
1.
2.
Press Check Reset.
Press service panel Power On.
Voltaqe is oresent 2 t05 ,seconds.
A1C13
YG
YF
YE
............
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............ ............
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........................
X
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ZH
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S
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ZF
YO
...........
• • • • • • • • a-a • •
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• • e· • • • • • • • • •
............
•..•.rio....•
•••••'!!<••••• . •..• Y~ •
.~
••••• Y!"••••• .•.. •'!¥..•.•
.......... .. .. .........•..
..
p
N
M
L
ZE
K
ZD
J
YC
. .... !~..... . .... '!~.
06
07
08
. ........... ................ .................
H
G
ZC
F
E
0
ZB
C
B
A
ZA
1::9
C> Copyright IBM Corp. '984
BA150
I
Il
PN 6169095
.20f3
.
02
13
•••••••••••• 02
L••_._._
••_._._._
••_.___
••_._._._
••_._._._
••________~--------~~~~.~.• •_.-.••-._.••---.-.••_._.••-.-._.-.--.~.••-._._
••_._._._.__._._
••_._._._
••_._.~.
4381
B/M 26763S0
11
13
~
PIN SIDE
Q6C04
EC A2055S\
~_~O~1~O~ct~8~4~~.
M6D03
__________~________~________~________~
PR 292
OOOOO(){)OOOOOOO 0 0 0 0 0 0 0 0 0 0 0 ( ' ) 0 0 0 0 0 0 0
0000000000000000000000000 000000000
PR 293
SteD
17
Conditions
Is voltage greater than +8
Vdc?
18
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange 01A-A2 board.
3. Go to step 23.
Measure for +8.5 Vdc at the following points:
-lead at 01A-A lV2D08
+ lead at PS 102 J/P 15-10
+ lead at PS 102 J/P 15-11.
To make a voltage check:
1.
2.
19
Is voltage greater than +8
Vdc?
Press Check Reset.
Press service panel Power On.
Voltage is present 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange open cable fromPS 102 J/P 15
to 01A-A2Z0 and ZE.
PSI02
I
(ZE)
J/P1S-10-- (+8.SV)-M6D03
J/P15-11-(+8.5V)-N6A03
'---_J/....p 15-12-( +8. 5V )-N6 903
01A-A2
r
(VJ)
- (ZF)
OIA-A1
[LJ2
rAIC13-C+8.5V sns)-Q6C04--·-D06
l..-Dl1
I
t
K2B 1 ~
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
20
Go to Instructions column.
21
Is voltage less than +0.8
Vdc?
22
23
Go to Instructions column.
Go to Instructions column.
3. Go to steQ 23-.
Measure for +8.5 Vdc a,t the following points:
1.
2.
3.
Go
1.
2.
-lead at 01A-A;V2D08
+ lead at 01 A-A 1V2D06.
Set, PCC CB 1 and CB2 off.
Exchange 01 A';'A 1V2 card.
Goto step 23.
to page PR 351.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
PS102
01 A-A 1 board
01A-A2 board.
3.
4.
5.
4381
B/M 2676380
I~~g
C Copyright IBM Corp. 1984
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to_IJ8Re PR 901.
BA150
PR 293
o
0 0 0 () () 0 0 0 () 0 () 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0
(~)
0 0 0 0 0 C,"
!l"__...
l~lli!nnllnlm ...
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.
'd'"
.,4'71++++4
ff fU
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."-ri4
'"I'M'WU
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•
trM','u'!."wNM"'IIH
'
II '.!£J..I•.
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wr~''''''Ui"'''!nWWI'ri"'"''
ffJ,.,.(Ji~J(ffl.I,""'""~'~~""""_"""""'·.....
,.j,"'-'.'~_~""",-,.;....l.,l~~~~"';·""Lit!."!uW.ld""'!......
\ ....
1 ,,,,,-,-'n
u '",",!w·-u..n~'_"lllf"""".....
q!l"'"'!llf""'folh'-"-"'=1'.,'"-,,,,,,,,".'C""'VW,,,,"W,",,,I
"t'-'.:'~~L..LW----'li"""'J' ......
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JL' I"
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,
ioiJ:/iL'!
~_...u.,..1.!"'-'-"-~~~~"~'""""""""'-..~~"'"'-"~
I
000000000000000000000000 00.000000
PR 301
Power Codes 18, 81, 28, 82
Power codes 1B, B1, 2B, and B2 indicate +12 Vdc missing or out of tolerance at the 01A-A2 board.
Possible causes:
•
Open in + 12 Vdc distribution
•
Open in + 12 Vdc sense line
•
01A-A 1V2 card
•
PS102.
Step
1
2
3
Conditions
Go to Instructions column.
Is a power code disDlaved?
Go to Instructions column.
Instructions
1. Set pee CB 1 and CB2 off.
2. Set pec CB 1 and CB.2 on.
3. Wait 30 seconds.
This ensures a valid Dower code.
Go to step 20.
Measure for + 12 Vdc at the following
AMO
107
PS
111
points~
- lead at PS 102 J/P 14-9
+ lead at PS102 J/P14-1.
To make a voltage check:
1.
2.
4
5
Is voltage greater than + 11.5
Vdc?
Go to Instructions column.
Press Check Reset.
Press service panel Power On.
VoltaQe is present 2 to 5 seconds.
Go to step 9.
1.
2.
3.
4.
PS
105 PS
PCC
106
Set PCC CB 1 and CB2 off.
Disconnect cable at PS 102 JO 1Set pec CB 1 and CB2 on.
Measure for 12 Vae at the following
points:
Front View
PS102 P01-10 to POl-3
PS102 POl-13 to P01-3
(cable end).
Left Side View
To make a voltage check:
1.
2.
Press Check Reset.
Press service panel Power On.
VoltaQe is Dresent 2 to 5 seconds.
Plug
(Wiring Side)
J/P14
4381-3
B/M 2676380
@
I~~g
Copyright IBM Corp. 1984
BA155
PR 301
1
PR 302
SteD
6
Conditions
Is voltage greater than 11
Vac at both points?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange PS 102.
SteD
14
Conditions
Go to Instructions column.
Instructions
Measure for + 12 Vdc at the following points:
- lead at 01 A-A 1V2008
+ lead at 01A~A2A 1013.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
7
a
Is voltage less than 11 Vac
at bothp_oints?
Is voltage less than 11 Vac
at only one point?
. To make a voltage check:
1.
2.
3. Go to steo 23.
Go to page PR 361.
1.
2.
Set PCC CB 1 and Ca2 off.
Exchange TR 102.
16
Is voltage greater than + 11.5
Vdc?
Note: Check cable connectors for pushed in
Voltaae is Dresent 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.,
2. Exchange oper:' cable from 01A-A2YJ to
01 A-A 1ZF (card side).
pins and seating before exchanging TR 102.
9
Go to Instructions column.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging c~ble.
3. Go to steD 23.
Measure for + 12 Vdc at the following points:
- lead at 01 A-A 1V2DOa
+ lead at 01A-A1V2B13
+ lead at 01A-A1V2D12.
16
Go to Instructions column.
3. Go to step 23.
Measure for + 12 Vdc at· the following points:
- lead at 01 A-A 1V2DOa
+ lead at 01 A-A2A 1E07.
To make a voltage check:
1.
2.
10
Is voltage greater than + 11.5
Vdc at both points?
11
Is voltage less than + 11 .5
Vdc at one point?
12
Go to Instructi(ms column.
To make a voltage check:
Press Check Reset.
Press service panel Power On.
Volteme is present for 2 to 5 seconds.
i. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1V2 card.
3. Go to steo 23.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A.;.A 1 board.
3. Go to ste023.
Measure for + 12 Vdc at the following points:
Press Check Reset.
Press service panel Power On.
1.
2.
17
Is voltage greater than + 11.5
Vdc?
18
Go to Instructions column.
Press Check Reset.
Press service panel Power On.
Voltaae is present 2 to 5.secol"ids.
1. Set PCC CB 1 and CB2 off ~
2; Exchange 01 A-A2 bCi~rd..
3. Go to step 23.
Measure for +12 Vdc at the following points:
- lead at 01 A-A 1V2008
+ lead at PS102 J/P14-1.
- lead at 01 A-A 1V2D08
+ lead at 01A-A 1Q6004.
To make a voltage check:
"<',:':::.
To make a voltage check:
1.
2.
13
Is voltage greater than + 11 .5
Vdc?
4381-3
B/M 2676380
·1
1.
2.
Press Check Reset.
Press service panel Power On.
Press Check Reset.
Press ser~ice panel Power On.
Voltaae is present 2 to 5 seconds.
Voltage is present 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A-1 board.
3. Go to steD 23.
MI
Seg BA155
PR 302
«> Copyright IBM Corp. 1984
30000000
o
OOOOOO(")O()OOO
o
0000
o
000
tit,
!
'wn'
,
tlfW"WI!=t'
H
, .. I,,,
.',
0000000000000000000000000 00000000.
PR 303
Step
19
Conditions
Is voltage greater than + 11.5
Vdc?
Instructions
1. Set pcc CB 1 and CB2 off.
2. Exchange open cable from PS 102 J/P 15
and J/P14 to 01A-A2YA and ZA (pin
side).
/rslO2!
J/P14-1-(+12
I
(YA)
Vdc)-·-AIE07
L-BIC07
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
20
Go to Instructions column.
eZF)
I
I
OIA Al
lJ2
,AID13-(+12V sns)-Q6D04--·---B13
I--D12
I
D2Pll
3. Go to steD 23.
Measure for + 12 Vdc at the following points:
21
Is voltage less than +0.8
Vdc?
1.
2.
22
23
Go to Instructions column.
Go
3.
Go to Instructions column.
OlA-A2
1.
2.
- lead at 01 A-A 1V2D08
+ lead at 01A-A1V2B13.
Set PCC CB 1 and CB2 off.
Exchange 01A 1-A lV2 card.
Go to step 23.
to paoe PR 351.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
PS102
o1A-A 1 board
01A-A2 board.
A1E07
YO
YF
YC
YE
YH
YO
YB
............
·...........
............
·...........
·...........
·...........
·...........
...... " ..
·........... ·........... ·........... ·........... ·........... ............ ............ ............
· •..• Yft. .•.• • ..•. Y9..•.. • •••• Y~ ••••• ••••• Y!'I••••• •••• •Y~••••• ••• • •Y!-••.•• ••••• Y!<••••• ..... y~ .....
·............ ·........... ·............ ·........... ·........... ...........'.
X
3.
4.
5.
Y
W
V
U
T
S
R
Q
P
N
M
L
K
J
H
G
F
06
07
08
E
Reset any tripped CPs.
Set PCC CBl and CB2 on.
Go to paoe PH 901.
ZH
ZG
ZF
ZE
ZO
13
ZC
ZB
ZA
•••••••••••• 02
03
L--------------------------+----------~P-IN-S~I~D~E-------------------------------------J
04
Q6004
4381-3
B/M 26763BO
CI)
Copyright IBM Corp. 1984
PR 303
!I,.
1':11
II
I'f
I)
. ~
o
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O:jI~
H
o
0"*1'" bHt"t#IItW'i 't '.'.
1111/1,',*,".;..,.'"11
"
Jtle#"'H"dt*" ttf"t'c t 'rl"ttMWM't "
"ftt
"M s1'Mt'# ±tit' ...... JiiWI #tM""
''dW±H''t* "#'Wffit't"j, .. I.. #'
t
0 0 0 0 0 0 0 0 0 . 00 0 0 0 0000000000 000000000
PR 311
Power Codes 3B, B3
Power codes 38 and B3 indicate +24 Vdc missing or out of tolerance at the 01A-A2 board.
A 3B or B3 power code does not cause the processor to power down.
Possible causes:
•
PS101
•
PS102
• o1A-A 1V2 card.
Step
Conditions
Instructions
1
Go to Instructions column.
2
Is a power code displayed?
1. Set PCC CB 1 and CB2 off.
2. Set PCC CB 1 and CB20n.
3. Wait 30 seconds.
Go to step 18.
3
Go to Instructions column.
Measure for +24 Vdc at the following points:
- lead at 01 A-A2V2008
+ lead at o1A-A 1V2013.
AMO
107
To make a voltage check:
1.
PS
111
Set service panel Power Off switch to
Power Off and then back to Normal.
Press Check Reset.
Press service panel Power On.
2.
3.
Voltaae is Dresent for 2 to 5 seconds.
4
Is voltage greater than +22
Vdc?
Set PCCCB 1 and CB2 off.
Exchange 01 A-A 1V2 card
(see note).
1.
2.
Note: If still failing, exchange PS 101 .
.
3.
5
Go to Instructions column.
PS
105 PS
106
PCC
.
Go to step 29.
Measure for +24 Vdc at the following points:
- lead at 01 A-A2V2008
+ lead at 01 A-A 1S6A04.
Front View
To make a voltage check:
1.
2.
3.
Set service panel Power Off switch to
Power Off and then back to Normal.
Press Check Reset.
Press service panel Power On.
left Side View
Voltaae is Dresent 2 to 5 seconds.
4381-3
81M 2676380
e Copyright IBM Corp. '984
PR 311
PR 312
Step
Conditions
Instructions
6
Is voltage greater than +22
Vdc?
1.
2.
3.
7
Go to Instructions column.
Measure for +24 Vdc at the following points:
Locating
Pin
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 29.
-lead at 01A-A2V2D08
+ lead at 01A-A2C lA 13.
To make a voltage check:
1.
2.
3.
o
Set service panel Power Off switch to
Power Off and then back to Normal.
Press Check Reset.
Press service panel Power On.
Voltaoe is Dresent 2 to 5 seconds.
8
Is voltage greater than +22
Vdc?
1.
2.
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A2Y J to
01A-A lZF.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
9
Go to Instructions column.
3. Go to steD 29.
Measure for +24 Vdc at the following points:
Plug
(Wiring Side)
Connected
- lead at 01 A-A2V2D08
+ lead at 01A-A2A lC07.
To make a voltage check:
1.
2.
3.
J/P12
Set service panel Power Off switch to
Power Off and then back to Normal.
Press Check Reset.
Press service panel Power On.
10
Is voltage greater than +22
Vdc?
Voltaoe is Dresent 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A2 board.
3. Go to steD 29.
11
Go to Instructions column.
Measure for +24 Vdc at the following points:
-lead at 01A-A2V2D08
+ lead at PS 102 J/P 14-3.
C1A13
SlE08
YD
YC
YF
YE
YB
VG
............
..•.........
.Y~••••• ·..........
·...........
·...........
............ ·.......... ·........... ·........... . ........... ............ .............
..... y~..... ..•.. yR ..•. •••• •Y~ ••••• .••.. y!'l•.••• ••• ••Y~••••• ••••• Y!-••••• ••••• Y!<•••••
. .. '!~ .....
............ ·........... ·........... ·........... ............ ............ ............ ............
••• 0
X
w
v
U
T
S
R
Q
P
N
M
L
K
J
H
G
F
E
D
To make a voltage check:
1.
2.
3.
A1C07
C
B
A
06
07
08
11
13
Jack
(Pin Side)
J/P14
02
Set service panel Power Off switch to
Power Off and then back to Normal.
Press Check Reset.
Press service panel Power On.
Voltaae is Dresent 2to 5 seconds.
ZH
• •••• ~~. ••• •
........ .
• •••• ~~. ••• •
• •••• ~~. ••••
• •••• ~~.....
• •••• ~~.. •••
0........
• •••• ~~.....
13
" •••• ~..... 02
03
L-"_'_'_"_'_o_,,_,_,__,_,_,,_._,_,_,,_,_,_,__,~,,~,_,_,'_'_'_'_"___
0'_'_'_"_'_'_0_"_'__'_'_"_'_'_"_'_"_'0___
"_0_'_"_'_'_'_"_'__'_'_'_'_"_'_"_"_"_'__'_'_"_'_'_"_'_'_"~M
PIN SIDE
S6A04
4381-3
BIM 2676380
o CopyriQIIt IBM Carp.
o o
I~~g
BAt60
PR 312
1984
0000000000000 000 0000000 000000000
1
,
"10. ," ..' .I,'!~cr
'" ::"
'~J...J:.i-' ..
"Ii
"
"
I, 01
,J
wi
H'" rIOh"rlrl8h,,, '" .~ .:,1 •• ", 11r!% .irl!t4JHW" '.",",., ."
w
........ rl
bd' '"'
. tif·:';''' .. ,," +W' ... 'W·.. :!:Mt.",dU!!.....,..!dit.......rI!-
hiM
Hie;"
000000000000000 0000000000 000000000
PR 313
Step
12
Conditions
Is voltage greater than +22
Vdc?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PS102 J/P14 to
01A-A2VA.
SteD
17
Conditions
Go to Instructions column.
Note: Check cable connectors for pushed in
pins and seating before exchanging pc;)wer'
supply.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
13
Go to Instructions column.
3. Go to step 29.
Measure for +24 Vdc at the following points:
18
-lead at 01A-A2V2D08
+ lead at PS102 J/P12-1.
1.
14
Is voltage greater than +22
Vdc?
Press Check Reset.
Press service pariel Power On.
Voltage is present 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange PS102.
Go to Instructions column.
19
Is voltage less than +22
Vdc?
20
Go to Instructions column.
To make a voltage check:
2.
21
Is voltage greater than +4.5
Vdc?
Go to Instructions column.
3. Go to st~p29.
Measure for +24 Vdc at the fol/owing points:
1.
2.
3.
..
22
Go to Instructions column.
2.
3.
4.
Set service panel Power Off switch to
Power Off and then back -to Normal.
Press Check Reset.
Press service panel Power On.
Voltaae is present 2 to 5 seconds.
1. Set PCC CB 1 and CB2 off.
2. Exchange cable frorn PS101 J/P05 to
PS10~ J/P12.
-
Note:
Check cable connectors for
pushed in pins and seating before
exchanging cable.
3.
4381-3
B/M 2676380
I~~g
10 Copyri~t IBM Corp. 1984
1.
2.
- lead at 01 A-A 1V2D08 .
+ lead at PS101 J/P03-1 L
Set PCC CB1 and CB2 off.
Exchange PS 10 1.
3.
1.
To make a voltage check:
Is voltage greater than +22
Vdc?
- lead at 01 A-A 1V2D08
.,
+ lead at 01A-A 1V2013.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1V2 Gard.
3. Go to step 29.
Measure for +5 Vdc at the following points:
Note: Check cable connectors-for pushed in
pins and seating before exchanging powi!r,
supply.
- lead atO 1A-A 1V2D08
+ lead at PS101 J/P05-1.
16
3. Go to step 29.
Measure for +24 Vdc at the following point$:
pins and seating before exchanging power
supply.
Note: Check c,:able conn~tors for pushed in
Hi
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange PS 101 .
23
Is voltage greater than +4.5
Vdc?
24
Go to Instructions column.
Goto step 29.
Set PCC CB 1 and CB2 off.
Remove o1A-A lV2card.
Set PCC CB 1 and CB2 on.
Measure for +5 Vdc at \he following
points:
- lead at 01 A-A 1V2D08
+ lead at 01A-A 1V2U02"
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1V2 .card.
3. Gotb steD 29.
!\i1easure for +5 Vdc at the following po!nts:
;
\
25
.
Is voltage greater than +4.5
Vdc?
- lead at olA-A lV2D08
- +Iead at 01A-A 1S1E08.
1. ' Set pce CB 1 and CB2 off.
2; . Exchange 01 A-A 1 board.
3 . Go to steD 29.
.-
,
Go to .step 29.
BA160
PR 313
Step
Conditions
26
Go to Instructions column.
Instructions
1.
OIA-AI
Set PCC CB 1 and CB2 off.
Disconnect cable at PS101 J/P03.
Set PCC CB 1 and CB2 on.
Measure for +5 Vdc at the following
points:
2.
3.
4.
~2-S1E08~
-lead at 01A-A 1V2D08
+ lead at PS101 P03-11
(cable end).
27
Is voltage greater than +4.5
Vdc?
1.
2.
CPiCk PSIOI
JI'':OS-3--J/r 2- 2
I
Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
1.
2.
~---------------------
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
1.
2.
!
DRIVE I
!
DRIVE 2
J/~Ol
Check cable connectors for pushed in
pins and seating before exchanging power
supply.
Go to Instructions column.
J/tlO
~----------------------~
Note:
29
I
J/Pl1
Go to step 29.
Set PCC CB 1 and CB2 off.
Exchange PS 101.
3.
Go to Instructions column.
I
I
[ { PSIOI
PSI02
OIA-A2
J/P05-1--C24V)--J/P12-1
eYA)
CYJ)
J/P03-11 I
'J/P14-3~AIC~1
Note:
28
I
I
Set PCC CB 1 and CB2 off.
Exchange cable from PS 10 1 J/P03 to.
01A-A1YG.
K3)~
Cl~131
I
u'24V 5n5)----'
eZF)
rJ2
OlA-AI
'
S6A04--DI3 ,
o
io-----J/~ 0 1
PS101
PS102
01 A-A 1 board
01 A-A2 board
Diskette drive 1
Diskette drive 2.
Jack
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to ~aJle PR 901.
3.
4.
5.
(Pin Side)
J/P03
o
o
I
4381-3
B/M 2676380
Mi
I
IpN 6169097 II EC A20558I ECA20562,'I
Oct 84 . 30 Aug 85 .
I.;::;;S.::.:gL..:B;.;A~16.:;.;0:..-.....&..~4..:o;,;.f~4_ _----I.. 01
o COpyright IBM Corp.
1984
PR 314,
O~" 0 0 () 0 0 0 0 0 0 0 0 0 0 '0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
I
•
\""
'•
I
I
' _ ,',
J
\, , .,' i i . , _ "
'I
'I
"
~
I~
.11
',.'
f
I
,•
,.
I,
'
,
"
r
~
"
•
•
,',
'.
' t
"
1
, , "
I
,",
'
W"jrrlTr'FI"
"""·!I1.""''flIft'rtT'PJ"flTI5"''FHI¥!JI"!!!I!!'5!F''''\
'
iliA!
!1!!!"!!Jdl'+dd.!
I'"
't·,,·,
·'·'_"!!'d"·'W9·iH~·'t'j·n\*·'I' at '·tHl:Iid,·te
.t
........ ;.,. ......
'.;e;Mw+Wf ......n .... ".tfiiewe• •
• •..
"i/"d'
"'rf'
l'f'"
0000000000000000000000000 000000000
PR 321
Power Codes 48, 84
Power codes 48 and 84 indicate AFS 103 or AMD 103 has failed.
Possible causes:
AFS103
•
AMD103
•
Dirty filter
•
01A-A 1V2 card.
St8~
1
Conditions
Go to Instructions column.
AFS107
Instructions
1. Set PCC CBl and C82 off.
2. Set PCC CB 1 and C82 on.
3. After MBC On indicator turns on. allow 30
seconds for AFS 103 sensor to heat to a
fault condition.
B1
and
Plenum Gate
A 48 or B4 power code at this time indicates
AFS103 failed to heat to a fault condition.
2
3
Is a Dower code dis(!laved?
Is no power code displayed?
Go to pace PR 341.
1. Check that the AFS is aligned for proper
airflow.
2. Press Check Reset.
3. Press service panel Power On.
4. Visually check that AMD103 and
AMD 104 are turning and the filter is
clean.
Note:
PS
105
AFS106
B2
and
Plenum Gate
AMOs wit! turn for approximately
5 seconds.
4
Is AMD103 turning?
5
Is AMD104 not turnina?
6
Go to Instructions column.
Go to page PR 341
(AFS103 Failure).
Go to step 9.
Measure for line voltage at the following
points:
AMD103 J/P01-1 to 3.
Note:
For line voltage value. see label on
PCC box.
To make a voltage check:
1.
2.
7
Is line voltage present?
1.
2.
3.
Press Check Reset.
Press service~anel Power On.
Set PCC CB 1 and CB2 off.
Exchange AMD 103.
Go to steD 16.
Jack
(Pin Side)
J/P01
AMD 103
4381-3
B/M 2676380
«> Copyright IBM CorP. 1984
PR 321
PR 322
SteD
8
Conditions
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB20ff.
2. Exchange cab/efrom PCC J/P05 to
AM0103.
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
9
Go to Instructions column.
DoD
3. Go to step 16.
Measure for line voltage at the following
points:
~a~
pee J/P05-3 to 4.
Note: For line voltage value, see label on
pee box.
To make a voltage check:
10
Is line voltage present?
1.
2.
1.
2.
Press Check Reset.
Press service panel Power On.
Set pce CB 1 and CB2 off.
Exchange cable from PCC J/P05to
AM0103.
o
J/P05
0
Q ..1efl 0
Note: Check cable:'connectors for
ot!]
pushed in pins and seating before
exchanging cable.
11
Go to Instructions column.
Primary Control Compartment (pee)
3. Go to steo 16.
Measure for +24 Vdc at the following points:
- lead at pec J/PO 1-3
+ lead at PCC J/P01-1.
W1E06
W1A08 V1008
To make a voltage check:
12
Is voltage greater than +22
Vdc?
~
~~
1.
2.
1.
2.
Press Check Reset.
Press service panel Power On.
Set PCC CB 1 and CB2 off.
Isolate to one of the following:
.•••. YR •••• ••••• YP: ••••
x w
v
............
u
T
YC
VB
YA
YE
YF
·...........
..
.
....YD
.
.......... ·...........
·
...........
··...........
··...........
...........
·
...........
.
.
.
.
.
.
·
...........
·
...........
............
07
08
·....rr.....
11
•
•••••
S
III
•••••
R
••••• Yl"••••• •••• •Y~••••• ••••• Y!-•• •••
·........... ............
p
Q
.. .. ..
..
.
N
L
M
J
K
. .... '!~ .....
~ ••• •Y~•••••
·........... F ·........... ·..... .....
"
G
H
E
D
C
B
A
06
13
02
PCC K02
Cable from
J/P01
pee K02 coil to pee
AC distribution from PCC TB 1
through K02 to PCC J/P05.
3.
Go to step 16.
ZH
ZG
L -____.....____________
•
• III •
•
• • • • 111.l1li
~
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
• • • • • • • • III • •
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
______________________
•
•
•
•
•
•
•
•
•
•••••••••••••
•
•
•
•
•
•
•
•
•
•
•
•
•
•••••••••••
•
........... .
13
ZA
•••••••••••• 02
03
~----------------------------------~
04
PIN SIDE
4381-3
BIM 2676380
I~~q
ID Copyright IBM Corp. 1984
BA165
PR 322
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OO()OOOOOO
ib
o
".I'd'
!ilit"t'f''','ey'l!!
fH'"'t'f=''NIM +
I
d
!t'H&'j"'C.II'f':.L'r4'jI'P
h'D"".'_f_,."y*tWffi
,Jlt
,! " " '!I ",. ,H MWH iww'''t4nti H MM." bt'MuI'+t
0 0 0 0 0 0 0 0 0 0 0 0.0 0 0 0 0 0 0 •
t".
Mft"'NJ,JH..!W! ,"!lfMI!I.i...'Hluyllj.,',j,'....,.JeI I..
"t"
Ir'H'WfNiMM,"".e, , nl!! W9,"W.,·",d""H"'';ri",;.'M'di*''1'M
'\"'
."j, It"", "
ftt
t "' '1" ,
I,
L
It 'Ht'
"4
.
vet
13
Conditions
Go to Instructions column.
o
Instructions
Measure for +24 Vdc at the following points:
- lead at PS 101 J/P04-6
+ lead at PS101 J/P04-2.
To make a voltage check:
1.
2.
14
Is voltage greater than +22
Vdc?
1.
2.
Press Check Reset.
Press service panel Power On.
Set PCC CB 1· and CB2 off.
Exchange cable from PS 101 J/P04 to
PCC J/P01.
Jack
(Pin Side)
P/J04
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
3.
15
Go to Instructions column.
1.
2.
o
o
Go to step 16.
Set PCC CB1 and CB2 off.
Exchange PS 10 1.
Note: Check cable connectors for pushed in
pins and seating before exchanging power
supply.
3.
16
Go to Instructions column.
1.
2.
Go to step 16.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
o
PCC box
PS101
AFS103
AMD103
01 A-A 1 board.
3.
4.
5.
Reset any tripped CPs.
Set pce CB 1 and CB2 on.
Go to page PR 901.
pee Box
l;}
Bl
PSIOI
~
At1D 103
3
Ll-o
.-Tl-J/P05-4---J/POl-l
5
l3-o
o-T3--J/P05-3
I-I
I
L~_Oid
I
J/POl-3
I
24V-J/P04-2--J/POl-l----""
rtn--J/P 04-6----J/PO 1-3,----------·
AFSI03
(YH)
J/POl-l--(+24 Vdc)--VID08
I
I
OlA-AI
I
I
J/POl-2--(+AFS Sense)-WIA08
J/POl-3-.-·-(rtn)----WIE06
4381-3
B/M 2676380
I
MI
IPN
6169098
II ~C
A20558I EC A20560
. 18 Feb 85
L...:.S.:.e9;:L....:B~A:..:..:..16=5_--L..3.;;....;;o_f...,;3_ _ _........ 01 Oct 84
~ Copyright IBM Corp. 1984
riJt~
"#'t1L f*
"
00 0 0 0 0 0 0 0 0 0 0 0
PR 323
Step
'1"e1'"
PR 323
0000000000000000000000000000000000
, m'"
'!!!B'"!"N"';'W'W'" ''''''''H#r!H'
'_'~,I
",Pk_mYHi/'IMaW","
!4j!i5tb""'~.·(;;,tlliluu~~llt.I.iJi"!!l!IIi':"'eRlW!t!'M'·'+.H"olrlt'lIi':':'-"';'!t!tJ';
''H'I''''''jl''1',,[II·' [f'W,,·, \",\ M,!,"· " ··j'l
,.'
"
1"' ..
t·_ht,,,,,
*" .... .111\\:..'6.. ·'
d·,
'JIt.+·\:;.""
_!.-.=,',".-'ulyl....
lliI/I _ _01L1....
rULe"
I
·rw'i"i"'flC9ITf,Il'(fijl
r'
,,+,
000000000000000 00000 • • 000 000000000
PR 331
Power Codes 58, 85
Power codes 58 and 85 indicate AFS104 or AMD104 failed.
Possible causes:
•
AFS104
•
AMD104
•
Dirty filter
•
01A-A 1V2 card.
AFS101
Instructions
SteD
Conditions
1
Go to Instructions column.
1.
2.
3.
Set PCC CB1 and CB2 df.
Set PCC CB 1 and CB2 on.
After MBC On indicator turns on, allow 30
seconds for AFS104 sensor to heat to a
fault condition.
B1
and
Plenum Gate
A 5B or B5 power code at this time indicates
AFS 104 failed to heat to a fault condition.
2
Is a Dower code disDlaved?
Go to Dace PR 341.
3
Go to Instructions column.
1.
2.
3.
4.
Check that AFS is aligned for proper
airflow.
Press Check Reset.
Press service panel Power On.
Visually check that AMD103 and
AMO 104 are turning and the filter is
etean.
PS
105
AFS106
B2
and
.Plenum Gate
Note: AMOs will turn for approximately
5 seconds.
4
Is AMD104 turning?
Go to page PR341.
(AFS 104 Failure).
5
Is AMD103 not turniml?
Go to steo 9.
6
Is AMD103 turning?
Measure for ae line voltage at the following
points:
AM0104 J/P01-1 to 3.
Note: Forline voltage value, see label on
PCCbox.
To make a voltage check:
7
Is line voltage present?
1.
2.
Press Check Reset.
Press service Danel Power On.
1.
Set PCC CB 1 and CB 2 off.
E:xehange AMD 104.
Go to steD 16.
2.
3.
Jack
(Pin Side)
J/P01
AMD 104
4381-3
B/M 2676380
I
I
II
MI
PN6169099
L:?Se~g~B~Al..!1~7~0:............L.
. .:..1.,:::0:,:.f.::,3_ _---..Io
0
EC A20558 , EC A20560
01 Oct 84
18 Feb 85
0
PR 332
SteD
8
Conditions
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange cable from PCC J/P05 to
AMD104.
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
9
Go to Instructions column.
3. Go to steD 16.
Measure for ac line voltage at the following
points:
PCC J/P05-3 to 4.
Note: For line voltage value,
see label on
Jack
PCC box.
(Wiring Side)
To make a voltage check:
1.
2.
10
Is line voltage present?
1.
2.
J/POl
Press Check Reset.
Press service oanel Power On.
Go to Instructions column.
coan
~
Set PCC CB 1 and CB2 off.
Exchange cable from pec J/P05 to
AMD104.
Note: Check cable connectors for
pushed in pins and seating before
exchanging cable.
11
DoD
P/J05
3. Go to steD 16.
Measure for +24 Vdc at the following' points:
o
o
o
. - lead at PCC J/PO 1-3
+ lead atPCCJ/P01-1.
0
~
oQ 0 lllf=:Ho
Primary Control Compartment (PCC)
To make a voltage check:
1.
2.
12
Is voltage greater than +22
Vdc?
1.
2.
Press Check Reset.
Press service oanel Power On.
Set pec CBl and CB2 off.
Isolate to one of the following:
pce K02
Cable from
J/POl
pee K02 coil to PCC
, AC distribution from PCC TB 1
through K02 to pce J/P05.
3.
Go to steD 16.
4381-3
B/M 2676380
PR 332
Cl Copyright IBM Corp. 1984
o
0' 0 0 0 0 0 0 0 0 O· 0 '0 0
o
0 0 0 0'0 0 0 0 0
000000000
0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 0 0 . 0 0 • • 000 0 0 0 0 0 0 0 0 0
PR 333
Step
13
Conditions
Go to Instructions column.
Instructions
Measure for + 24 Vdc at the following points:
- lead at PS 101 J/P04-6
+ lead at P$101J/P04-2.
To make a voltage check:
1.
14
2.
1.
2.
Is voltage greater than +22
Vdc?
Press Check Reset.
Press service ~anet Power On.
Set PCC CB l' and CB2 off.
Exchange cable from PS101 J/P04 to
PCC J/P01.
o
o
Note: Check cable connectors for
pl,IShed in pins and seating before
exchanging cable.
3.
15
Go to Instructions column.
1.
2.
PCC
16
Go to Instructions column.
1.
2.
Ai-iD 104
3
ll-.
-,-TI-J/POS-4,
5
l3-.
.-T3--J/P05-3------J/POl~3
1-"
J/POl-l
I
I
COIlJ'
A-B
I
24V-J/P04-2--J/POl-l---'
rtn-' J/P04-6--J/POl-3--~~--J
o
•
Go to steD 16.
EnSure PCC CB 1 and C82 are off.
ReinstaU and check all cables and cards
for proper seating in the following areas:
I
PS101
PCCbox
AM0104.
3.
4.
Ll L
PSI01
pins and seating before exchanging power
supply.
3.
~
Bl
Go to steD 16.
Set PCC CB1 andC82 off.
Exchange PS 10 1.
Note:' Check cable connectors for pushed in
Box
I
AFSI041.
I
Set pec CB 1 ancf CB2 on.
Go to paoe PR 901.
OlA-A!
~~!:~=~--'----::;:SV:::-5e-)~-::f::
J/POl-3--(+24V Rtn)-t.JlE06
o
~'----------------------X1A08
W1E06
VA
·.. .........
·...........
•• •• •'!Po ••••
Yr ••••• ••••• Yr'••••• •••• •'!'!'••••• •••••'!!-••••• .... .r~..... ••••. "!~
..x.....w..... ...•....•...
•........... ............ ........•..• ............. .•.••.....•• ·...........
V
. ..T S .R. . . . .
. ..L.. · · J . · .G.. . .
.. . A
·
.
.
·
.
.
.
.
.
.
,. ·
··· ··· ··· . . . . . .. .
VF
•••.....••..
........
.. .... ... ... . ....•.•....•
...... y~ ••••
W1D08
VE
YO
VC
VB
•..••.•..•..
............
..•....••.••
....•......•
••..•....... ...•.•..•.•. ............. ............
'
07
0., •• 11
+5V
< +O.8V
> +5V
> +5V
Pin Location
Line Name
01 A-A 1X4B02
01 A-A 1X4B03
01A-A lX4B04
01A-A lX4B05
+
+
+
+
MBC Hex Display
Blank Display
Latch Digit 2
Latch Digit 1
Voltaae After Check Reset
MBC Hex Display
Blank Display
Latch Digit 2
Latch Digit 1
<
<
<
<
+O.8V
+O.8V
+O.8V
+O.8V
AMD
107
PS
111
Measure for de voltages indicated in table
1i.1:
1.
5
Pin Location
1.
- lead at 01 A-A 1V2D08
+ lead at pin location.
PS
Record voltaaes measured.
105 PS
106
pee
Press Check Reset. Measure for dc
voltages indicated in table
151:
- lead at 01 A-A 1V2D08
+ lead at pin location.
2.
6
Is any voltage not correct?
1.
2.
3.
Front View
Record voltaaes measured.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
Check board nets:
o1A-A lX4B02 to V2S08
......
. . . . . YF
. . . . . .. . .. . . .. . YE
.. .. . . .. . .
.. .. . .. . .. . .. .. .
y~•..•.
..••• y~•.••• •••. •Y~ •••• •••• •Y~ •••••
YG
. .. . .. .. ..
.. ......................
••..• Y~.•..•
.. .... .. .. . .. . .. .. . ..
.. ............
..... . . YO
.......
.
YA
. . .. . .. .. . ........................
. . . .. . . . .. .. .. .. . Ya
. . . . YC
...............
............ ·...........
............ ............
YJ
'(1)1••••• ••••• Y!-••••• ••••• Y!<••••• ·...........
............ ............ ............ ............ ............ ............ ............ ·...........
••• o.
Left Side View
)(
W
V
U
T
S
R
Q
P
N
M
o •
0
L
••
K
J
H
G
F
E
0
C
a
A
06
07
08
11
13
02
01A-A 1X4B03 to V2S07
01 A-A 1X4B04 to V2J09
01 A-A 1X4B05 to V2J07.
4.
5.
Set PCC CB 1 and CB2 on.
Go to steD 9.
ZB
... ..ZH
....... ........ZG
............ .....ZF
....... .....ZE....... .....ZO
....... ............
.ZC........ ...........
. ......ZA0.....
.
L••_o_
.._o_o_
.•_o_o_o____o_oo_o_o_.o_._o_o._o_____
o._._._o._0_'_'_0'_'__'_'_'_"_'_'_'_"_'_'__'_0'_'_0_"_'_0_"_'___
••_._._
••_._._._
••_.__ ••_._._._
••_._.__._._._
•._._._._
••
._._.~
_.~.
13
02
03
M
PIN SIDE
4381-3
81M 2676380
o Copyright IBM corp. 1984
PR 381
PR 382
SteD
Conditions
7
Are all voltages correct and
the hex display does not
equal OA or AO?
8
Instructions
Is the hex display not equal
to OA or AO?
1.
2.
3.
4.
5.
1.
2.
Set PCC CB 1 and CB2 off.
Exchange service panel.
Set PCC CB 1 and CB2 on.
Trip PS102 CPl.
Reset PS102 CPl.
Set PCC CB 1 and CB2 off.
Exchange the following FRUs in the order
given:
01A-A lV2 card
Cable from 01 A-A 1X4 to the service
panel connector A2
01 A-A 1 board.
2.
Set PCC CB 1 and CB2 on.
Go to steo 9.
Insert DIAG 1 in diskette drive 1.
Press service oanel Power On.
1.
Run MSS Diagnostic Option 90.
3.
4.
9
10
11
Go to Instructions column.
Is MSS Diagnostic screen
displayed?
Does the hex display equal
80000?
1.
For instructions to run Diagnostic 90, see
Volume A06, Service Aids, "Service Panel
Checkout Procedure."
Diagnostic Option 90 failed to start, press
Logic Reset again.
1.
If 80000 is still displayed, perform the
following pushbutton checkout.
•
"Logic Reset" procedure on PR0451
•
•OCP IML' procedure on PR0391 .
Note: FUNCl required for switch
checkout procedure.
12
Does Diagnostic Option 90
visual checkout fail?
1.
Exchange the following FRUs one at a
time in the order given, and rerun MSS
Diagnostic Option 90.
01A-A2G4 card
Service panel
Cable from 01 A-A2ZC (card side) to
service panel connector B2
01A-A2 board.
2.
4381-3
B/M 2676380
o Copyright IBM Corp.
I~~g
Go to steD 13.
BA195
1984
000000000000000
000000000
000000000000000 0000000000 000000000
PR 383
Step
Conditions
Instructions
13
Go to Instructions column.
1.
2.
OIA-AI
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
01 A-A 1 board
01 A-A2 board
Service panel.
3.
4.
5.
6.
Reset any tripped CPs.
Set PCC CB 1 and CS2 on.
Set CE Mode switch to Normal.
Go to_ptme PR 901.
V2
SERVICE PANEL
1
+MBC Hex Oisplay--X4B 02--A2B02----------------------------------~
+Blank OJ splay--X4B 03--A2B03--------------------------------~
+Latch Di 9i t 2--X4B 04--A2B04-----------------------------~
+latch Digit l--X4B OS---A2BOS--------------------------~----~
+Bit A
X4B 10. --A2B10--,.
Jl1 +Bit B
X4B 11--A2Bll--1
J12 +Bit C
X4B 12--A2BI2-·l
JJ3 +Bit D
X4j 13--A2B 13---'
508
507
J09
J07
JI0
J
~--------------------.+_--~M
01A-A2
G4
(ZC)
G13 +Dlsp Bi t O--H6C04-'-B2Bl1-,
I--H6E02--B2Dl3-·
Gl2
Jl3
2--H6D04--B2B12j
3--H6 EO 4---B2B 13
Jl2
J02 -Di sp Bi t O--H6C02--B2Dl1-,
I--H6B02--B2DIO-·---------'
J04
JOS
2--H6A02---B2009j
'3--G6002--B2001
J06
4--G6C02--B2D06-,
J01
5--G6BO 2--B2DO 5-·--------------'''''
J09
JI0
6--G6A02--B2D04j
7--F6D02--B2D02
Jll
8--H6B04--B2BIO-,
G02
oJ
G03
9--H6 AO 4--B2BO
G04
1 O--G6 EO 4--B2B 08j
11--G6D04--B2B01
GOS
12--G6B04--B2BOS.
G01
13-·-G6 A0 4--B2 B0 4-.-----------------------------....
G08
G09
14--F6E04--B2B03j
lS--H6D02--B2D12
GI0
9-.-------------------
4381.,3
B/M 2676380
I
I
I'
I EC
I
MI
PN 6169104
ECA20558
A20562
~S_e~g~B~A~19_5____._3~o_f_3_·____~. L2LQ.~ct~8~4~~.~3~0~A~u~gL8~5~~.________~________~______~
~ Copyright IBM Corp. 1984
PR 383
0' 0 0'"
'l.,
-'
,_
'I
,0
~.jJ
0," '0" 0,', '0 0,' 0 0'
-' '
"
' __ '
,I
' ,
"', ,;
10'"
I,
(0 0" 0,,' 0"'100, 0 0" 0 0 0 (0, 0 0,' 0" 0' () 0 0" 0,
(')
\~,"
"
i'
"',
I:
,', '
,~
\.'
I'
" , '
,'\(
"
_
"
"
I' -.
'
,
",,'
1
'
,"
~,
'I,:
1("'"
,-,y.:
,',t
000000000000000 0000000000 000000000
PR 391
Operator Control Panel (OCP)
You are here because of a failing OCP pushbutton or to verify console pushbutton operations.
Use the following chart to locate the repair actions.
Pushbutton
Go to
Power On/IML
Power Off
Lamp Test
Channel To Channel
Step 1
Step 15
PR 371
Step 16
Power On/IML
•
With power complete and CE Mode switch set to Normal:
Pressing Power On/IML with power complete willlML the processor and display the General Selection (0) screen.
•
With power incomplete and CE Mode switch set to Normal:
Pressing Power On/IML with power incomplete will power up the complete system and display the Program Load (OL)
screen.
AFS107
Step
Instructions
1
Conditions
Does OCP IML fail?
Go to step 10.
2
Does OCP Power On fail?
1.
2.
B1
and
Plenum Gate
Set CE Mode switch to Normal.
Measure for +24 Vdc at the following
points:
-lead at 01A-A 1V2D08
+ lead at 01A-A lX5B02.
3
4
Is voltage greater than +22
Vdc?
Go to Instructions column.
Go to step 7.
PS
-lead at 01 A-A 1V2D08
+ lead at 01A-A lX3B05.
5
Is voltage greater than +22
Vdc?
105
Measure for +24Vdc at the following points:
1.
2.
3.
AFS106
Set PCC CB 1 and CB2 off.
Exchange 01A-A 1 board.
Go to steo 37.
B2
and
Plenum Gate
AMD
103
4381-3
B/M 2676380
I
I
MI
PN 6169105 II EC A20558I EC A20562
L,;S::,;e:::;.:9:a..·..:B~A.::2::.:0~0~.....&....:1...;0:::;.:f_4.:..-_ _...... . 01 Oct 84 . 30 Aug 85
ID Copyright IBM Corp. 1984
PR 391
PR 392
Step
Conditions
6
Go to Instructions column.
Instructions
1.
2.
Set PCC CB 1 and CB2 off.
Exchange service panel.
Note: Check board for bent pins and cable
connector for pushed in pins and seating at
o1A-A 1X3 and service panel connector A 1
before exchanging service panel.
7
Go to Instructions column.
3. Go to step 37.
Measure for +24 Vdc at the following points:
-lead at 01A-A 1V2D08
+ lead at 01A-A 1X5B03.
8
Is voltage greater than +22
Vdc?
9
Go to Instructions column.
1°
Press Power On/lML on the OCP.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 37.
1.
2.
Set PCC CB 1 and CB2 off.
Exchange OCP (Display and Keyboard).
Display
Console
Optional
Displays
or Printers
Note: Check for open cable, board for bent
pins, and cable connector for pushed in pins
and seating at the following points before
exchanging OCP.
01A-A lX5B02 to 01F J/Pl-3
01A-A lX5B03 to 01F J/Pl-2
01F J/Pl-3 to OCP J/P3-11
01F J/P1-2 to OCP J/P3-12.
10
Go to Instructions column.
OCP Jack (Pin Side)
3. Go to step 37.
Measure for +24 Vdc at the following points:
Gate 01 F (Local Displays)
- lead at 01 A-A 1V2D08
+ lead at 01 A-A 1U2B02.
Press Power On/IML on the OCP. The Voltage
is expected to_~o tram 24V to OV.
4381-3
81M 2676380
o Copyright IBM Corp.
o
I~~g
BA200
PR392
1984
0 0---0 0 0 0 0 0 0 0 0 0 0
o
0 0 0 0 0-0 0 0 0
000000000
'''''," .
."jeU;···.
0'"
OJi,.'.:/,"'.NM_S'jO '"
-.·+&&·Y. . . . " •.
0000000000000000000000000 000000000
PR 393
Step
Conditions
11
Did voltage go from 24V to
OV?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange the 01A-A 1U2 card.
3. Go to step 37.
Go to Instructions column.
Measure for +24 Vdc at the following points:
12
- lead at 01 A-A 1V2D08
+ lead at olA-A lXSD12.
Press Power On/IML on the OCP. The Voltage
is expected to go from 24V to OV.
13
14
Did voltage go from 24V to
OV?
Go to Instructions column.
1.
2.
3.
1.
2.
Channel To Channel
Pressing Channel To Channel on the OCP causes the Chan-Chan Disabled indicator to light and CTCA interfaces to be disabled.
Step
16
Conditions
Is operation correct?
Instructions
Go to~aae PR 901.
17
Go to Instructions column.
Press Lamp Test on the OCP.
18
Does Chan-Chan Disabled
indicator fail to light?
Go to page PR 371.
19
Go to Instructions column.
Measure for 0 Vdc at the following points:
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 37.
-lead at o 1A-A lV2D08
+ lead at 01A-A 1B2GOS.
Set PCC CB 1 and CB2 off.
Isolate to one of the following:
Note: The CTCA is assumed to be enabled
at this time.
OCP (Display and Keyboardt.
20
Cable from 01 F-J 1 to
21
o1A-A2XSD 12
Is voltage less than +O.S
Vdc?
Go to Instructions column.
Go to step 37.
22
23
24
Power Off
Is voltage greater than +O.S
Vdc?
Go to Instructions column.
Go to step 3S
Go to Instructions column.
Measure for +4 Vdc at the following points:
Does OCP Power Off fail?
1.
2.
Set PCC CB 1 and CB2 off.
Exchange OCP (Display and Keyboard).
Note: Check for open cable, bent pins, and
+ lead at 01 A-A 1B2502.
26
Is voltage greater than +3.S
Vdc?
Go to Instructions column.
Go to step 34.
27
Go to Instructions column.
Measure for +4 Vdc at the following points:
25
cable connector for pushed in pins and seating
before exchanging OCP.
3.
Go to step 36.
- lead at 01 A-A 1V2DOS
Pressing OCP Power Off causes the complete system to power down.
15
Measure for 0 Vdc at the following points:
- lead at 01 A-A 1V2D08
+ lead at 01A-A lXSDOS.
OCPcable.
3.
Go to step 24.
Go to step 27.
- lead at 01 A-A 1V2DOS
+ lead at 01A-A 1B2GOS.
Go to step 37.
Press Channel To Channel.
28
4381-3
B/M 2676380
I
I
Is voltage less than +3.5
Vdc?
Go to step 34.
II
MI
PN 6169105
EC A20558I EC A20562
L.S::.e::.;g:l....:B:.;A..:::2:;.;O;.;0__--'...;:3;...;0:;.;f;...;4~_ _.....I• • 01 Oct 84 . 30 Aug 85
~ Copyright IBM Corp. 1984
PR 393
PR 394
Step
Conditions
Instructions
29
Go to Instructions column.
Measure for 0 Vdc at the following points:
SERVICE PANEL
- lead at 0 1A-A lV2D08
+ lead at 01 A-A 1B2502.
30
31
Is voltage less than +0.8
Vdc?
Go to Instructions column.
33
34
Is voltage less than +0.8
Vdc?
Go
to Instructions column.
Go to Instructions column.
35
Is voltage less than +0.8
Vdc?
1.
2.
4.
Go to Instructions column.
o<--o~--------~
+24V-o
Go to step 36.
3.
36
GHD
Go to step 3S.
2.
3.
4.
1.
2.
Set service panel Power Off switch to
Power Off and then back to Normal.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1B2 and C2 CTCA cards.
Go to steo 37.
Set service panel Power Off switch to
Power Off and then back to Normal.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A2 board.
Go to step 37.
Set PCC CB 1 and CB2 off.
Exchange OCP (Display and Keyboard).
logic Reset
r~:J:CL ~~;~~=~=j~~~~=~-l-=~
37
Go to Instructions column.
1.
2.
- --
1..-,.._ _ _ _ _ _ _ _ _ _ _---1
.--o--L> 0
I
0
OIA-A!
I
Go to step 37.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
Iv2l
XSD09--.--8~
XSD, 06
Go to oaae PR 901.
LI
D?4
~~!t I
01 A-A 1 board
Service panel
OCP (Display and Keyboard).
3.
I
OlF
/POl-8-X5D12
U2B02 IML
/POl-3-XSB02I
L
0
r-J/P02-2-J/P03-12-J /POl-2-X5B03
V2 806 Check
--:JfrJ/P02-9-J/P03-S-J /POl-9-X5Dll
Power O~f J/P02-1--J/P03-13--J/POl 1
X5DIOI Reset
e-o,>o
,J/P02-1S-J/P03-24-J/P01-1S-XSD13,---+24V
I
: 0
I
I
Note: Check board for bent pins and cable
connector for pushed in pins and seating at
01A-A1XS, 01F J/Pl, and OCP before
exchanging OCP.
3.
V2B08 Powe r Off
V2B07 Powe r On
U2D12 IML
U2DOS Logi c Reset
,0
Measure for 0 Vdc at the following points:
1.
.---
,-
Go to step 34.
-lead at 01A-A 1V2D08
+ lead at 01 A-A 1XSD06.
32
OIA-AI
Power Off
r--o--> 0----------e
L-AIB02--X3B02
I Power On
AIB03--X3B03
e--o--> 0
AIB04----X3B04
~ Mode Normal I
AIB05--X3B05
0->0
r-AIB08--X3B08
o __
C_E_M_od_e---l1
rA 1 B0 9--X3 B0 9
0<-0
.
IML
I
XSD05
--Goa
I
... .
J~2~
I
I·
~~tt-XSB08
G07
.--G08
I
. I
( OlF
t
U2
I
+24V-,
OCP
..
I
0<-0
J/POl-22-J.lP03-17-J.lP02-22-Chan-Chan--·-o
I
I
I
Di sabled
.
JrO 1-21-J/r3-16-J/PQ2-23--~:t:
~--J.lPOl-24---J/P03-15--J/P02-24----o
I
I
I
t
nd
Channel To Channel
-----J/POI-IO-J/P03-4-J/P02-10--Lamp Test:-------,
'n
~,_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _~_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _~
I
4381-3
81M 2676380
o COpyright IBM Corp.
I
1984
0 () 0 0 () 00 0 00·0 0 0 0 0 0 0 0 0 0 0 0 0 0
PR 394
000000000
",,"IO'M'"
'*". """"'. " .. "'rII",,+,.... ·'t'
"-"11:" .. """",",
II';",.
,.,. ".
000000000000000 0000000000 000000000
PR 401
Convenience Outlet
You are here because there is a failure of the convenience outlet.
Possible causes:
•
Fuse F1
•
K01
•
TR100
•
CP1.
The convenience outlet is active when PCC CB 1, PCC CP 1, and Unit Emergency Only switch are all on and customer line
voltage is present at the PCC. at the PCC.
Step
1
Conditions
Is the service panel 24 Volt
indicator off?
Instructions
Go to page PR 021.
2
Go to Instructions column.
lo
2.
3.
4.
3
4
Does CP 1 continue to trip
or
does PCC F1 continue to
blow?·
Go to Instructions column.
Check for tripped PCC CP 1.
Check PCC Fl.
If necessary. reset CP. or exchange PCC
Flo
If convenience outlet is OK, go to page
END 001.
Go to step 25.
107
- lead at PCC KO 1-8
+ lead at PCC K01-A.
5
6
Is voltage greater than +22
Vdc?
Go to Instructions column.
DoD
AMO
Measure for +24 Vdc at the following points:
PS
111
Go to step 11.
aD
Measure for +24 Vdc at the following points:
o
- lead at PCC J/POl-2
+ lead at PCC J/PO 1-4.
7
8
Is voltage greater than +22
Vdc?
Go to Instructions column.
1.
Set PCC CBl and CB2 off.
Exchange cable from PCC J/PO 1 to PCC
K01.
3. Go to step 36.
Measure for +24 Vdc at the following points:
2.
PS
105 PS
106
J/P01
PCC
Is voltage greater than +22
Vdc7
lo
2.
3.
Set PCC CBl and CB2 off.
Exchange cable from pce J/PO 1 to
PS101 J/P04.
Go to step 36.
Front View
~
~
oF---=~===:I
o 0
o
- lead at PS 101 J/P04-1
+ lead at PS 10 1 J/P04-3.
9
o
0
0
o o
o no
o~
~
. ; ;.~.
~~
.
PrimarY Control Compartment (peC)
Left Side View
4381-3
B/M 2676380
I~~g BA205
~ Copyright IBM Corp. 1984
PR 401
PR 402
Step
Conditions
Instructions
10
Go to Instructions column.
1.
2.
Set PCC CB 1 and CB2 off.
Exchange PS 101 .
Note: Check cable connectors for pushed in
Ste....!!
18
Conditions
Go to Instructions column.
Instructions
Measure for 115 Vac at the following points:
19
Is ac voltage present?
1.
pins and seating before exchanging power
supply.
11
Go to Instructions column.
3.
Go to step 36.
1.
2.
If SO Hz. go to step 27.
Measure for line voltage at the following
points:
TR 100 TB 1-1 to 2
(200/208 Vac)
TR 100 TB 1-1 to 3
(220/240 Vac).
"
12
13
Is line voltl!9.e~esent?
Go to Instructions column.
14
Is line voltage present?
Note: For line voltage value, see label on
PCC box.
Go to step 18.
Measure for line voltage at the following
points:
1.
2.
Go to Instructions column.
20
Go to Instructions column.
21
Is ac voltage present?
22
Go to Instructions column.
23
Is ac voltage present?
3. Go to step 36.
Measure for 115 Vac at the fo~lowing points:
PCC CP1-L 1 to L2.
Set PCC CB 1 and CB2 off.
Exchange CP 1.
Go to step 36.
Measure for 115 Vac at the following points:
1.
2.
3.
1.
2.
exchanging cable.
3.
24
Go to Instructions column.
1.
2.
Is CP 1 tripped?
25
3.
Go to step 36.
1.
Isolate to the following:
Convenience outlet
PCC CPl
Cable from CP 1 to outlet.
PCC box.
17
Is line voltage present?
Go to Instructions column.
1.
2.
3.
1.
2.
Go to step 36.
Set PCC CB 1 and CB2 off.
Exchange TR 100.
Note: Check cable connectors for pushed in
pins and seating before exchangingTR 100.
Note: For line voltage value, see label on
16
TR 100 TB 1-4 to S.
Set PCC CB 1 and CB2 off.
Exchange cable from TR 100 to PCC CP 1.
Note: Check cable for loose wires before
3. Go to step 36.
Measure for line voltage at the following
points:
PCC KOl-7 to 9.
;,'
Note: Check cable for loose wires
before exchanging cable.
PCC KOl-4 to 6.
Set PCC CB 1 and CB2 off.
Exchange cable from PCC KO 1 to TR 100
TB1.
Note: Check cable for loose wires
before exchanging cable.
15
2.
PCC CP1 T1 to T2.
Set PCC CB 1 and CB2 off.
Exchange convenience outlet and cable
from PCC CP 1 to convenience outlet.
Set PCC CB 1 and CB2 off.
Exchange PCC KO 1.
Go to st~p 36.
Set PCC CB 1 and CB2 off.
Exchange cable from PCC TB 1 to PCC
K01.
2.
Go to step 36.
Note: Check cable for loose wires at
KO 1, F 1, and TB 1 before exchanging
cable.
3.
4381-3
B/M 2676380
e Cop~ IBM Corp.
,r,"')
I
'",-,
,
,
'
o
I~~g
Go to step 36.
:.. ....
,
BA20S
1984
0 0 0 0 0 0 0 0 0 0 0 0 OO()OOOOOOO 00'0"00'
1
~
:;
I
, J
,
..
I'
.
_
I
'
,
",
,I
'_
000
..............
-"
1
II"
$'
,""J
tT'h'1;
in lit,,: :
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _~____
tl'r~,",';"',,"",.',"",'.'.'" '
"".""""
........_,'..,,'.......
'
• • 00 000000000,
"
--- y.
Step
35
PR 403
Instructions
1. Set pcc CB 1 and CB2 off.
2. Exchange cable from PCC TB 1 to PCC
K01.
Conditions
Go to Instructions column.
Note: Check cable for loose wires at
KO 1, F 1, and TB 1 before exchanging
cable.
3.
36
1.
Go to Instructions column.
2.
Go to steo 36.
Ensure PCC CB 1 and CB2 are off;
Reinstall and check all cables and cards
for proper seating in the following areas:
PCC box
PS101.
3.
4.
5.
6.
,lloose wires
,.,:;,ie.
Reset any tripped CPs;
Set PCC CB 1 and CB2 on.
Retry convenience outlet.
Go to paQe PR 901.
,,)Itage at the following
Set PCC CB 1 and CB2 off.
Exchange CP 1 .
Measure for line voltage at the following
points:
Fl
PCC
1--7
6
6
Is line voltage present?
1.
2.
"----
Go to Instructions column.
CPl
Vac
Convenience
3 230/240 Vile 4
l1-Tl
5
l2-T2
Outlet
I
Note: Check cable for loose wires
before exchanging cable.
33
2 200/208
9
Set PCC CB 1 and CB2 off.
Exchange cable from PCC KOl to PCC
CPl.
I
36.
3.
1 Common
lHh4
TS1
32
TRIoa
KOl
Not found in 50 Hz machines
except in Japan.
Measure for line voltage at the following
points:
PCC K01·7 to 9.
Note:
34
Is line voltage present?
1.
2.
For line voltage value, see label on
PSIOI
PCC
Set PCC CB 1 and CB2 off.
Exchange PCC KO 1.
3.
Kl
RET-J/P04-1--J/P01-2
PO 1-4---, CR? 1
CP 2---+-0-- -..-I----J /P 0 4- 3 - - J /
EJ
K 01
24V
4381·3
B/M 2676380
I~~g BA205
ID Copyright IBM Corp. 1984
PR 403
,i
) 0
c-
(.) ()
•
0 0 0 0 0 0 0 0 0
0000000000000000000000000 000000000
PR 411
Power On Failure
You are here because the system fails to power on and there is no error indication.
Possible causes:
01A-A 1V2 card
01A-A1U2 card
01 A-A 2 0 2 card
•
01 A-A2E2 card
•
Top card connectors misplugged or missing.
Step
1
Conditions
Go to Instructions column.
Instructions
1. Set PCC CB 1 and CB2 off.
2. Verify that the console is connected
(01 F-J/P1, OCP-J/P3).
3. Set PCC CB 1 and CB2 on.
4. Press OCP Power On/IML. If power is
complete, go to page PR 901.
5. Set CE Mode switch to Normal.
6. Insert DIAG 1 in diskette drive 1.
2
Is the Basic Check indicator
on?
1.
3
4
5
2.
3.
Set PCC CB 1 and CB2 off.
Exchange 1A-A 1V2 card.
Go to st~43.
o
Only fails to power on from
OCP?
Only fails to power on from
service panel?
Go to page PR 391.
Fails to power on from both
panels?
Measure for +24 Vdc at the following points:
o
-7
PS
111
Go to page PR 441 .
-lead at 01A-A lV2D08
+ lead at 1A-A 1V2B08.
6
AMD
107
Is voltage greater than +22
Vdc?
Go to step 21 .
Go to Instructions column.
Measure for +24 Vdc at the following points:
PS
105 PS
106
PCC
-lead at 01A-A 1V2D08
+ lead at 01A-A 1X3B03.
8
Is voltage greater than +22
Vdc?
9
Go to Instructions column.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to st~ 43.
Measure for +24 Vdc at the following points:
Front View
o
-Iaed at 1A-A lV2D08
+ laed at 01A-A lX3B02.
4381-3
81M 2676380
C Copyright IBM
Corp.
I~~g
1984
BA2l0
Left Side View
PR 411
PR 412
Step
Conditions
Instructions
10
Is voltage less than 22 Vdc?
Go to step 14.
11
Is voltage greater than +22
Vdc?
1.
2.
3.
Set PCC CB 1 and CB2 off.
Disconnect cable at service panel
connector A 1.
Check seating and continuity between the
following points:
VF
VE
VG
............
·....
..... ·...........
·...........
... :tt
.....
·...........
·........... ·........... ............
Is an open indicated?
1.
2.
•••••••••••
x
w
v
VB
............
VC
...• y~••••• ••.•• y~••••• . .... y~ ..... •••.• y!"!•..••
10
81C08
VA
............ ............ ............
'
01A-A 1X3B02 to service panel connector
A1B02
12
J1E13
Kl E13
..... :~ .....
• •••• Y~•..•. •••• •Y!<•••••
............ ............ ............ ............
·........... ·........... ............
p
u
T
S
R
Q
N
M
L
K
J
H
G
F
E
o
c
B
A
06
07
08
11
13
02
01A-A 1X3B03 to service panel connector
A 1B03.
Set PCC CB 1 and CB2 off.
Exchange cable from 01A-A 1X3 to
service panel connector A 1.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
ZH
ZB
·...........
..... ZG
... .. .. .. ...ZF
....... .. ...ZE
....... .....ZO
....... .....ZC
....... . ..........
.
'
L'_'_'_"_'_"_'_"_'__'_'_"_'_'_"_'_"_'__'_'_o,_o_,_,,_,_"_'__'_0_"_'_'_0'_'_"_'__'_"_'_'_0'_0_"_0_'__0_0'_'_"_o_,_,,_,_,__,_,,_,_o,_,_,_,,_,_,__,_,,_o_,,_,_o_
••_.~.
3.
Go to step 43.
Set PCC CB 1 and CB2 off.
Exchange service panel.
Go to step 43.
13
Go to. Instructions column.
1.
2.
3.
14
Go to Instructions column.
Measure for +24 Vdc at the following points:
13
••••• ~••••• 02
03
~
PIN SlOE
-lead at 01A-A 1V2D08
+ lead at 01A-A lX5Dl0.
15
Is voltage greater than +22
Vdc?
16
Go to Instructions column.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01A-A 1 board.
3. Go to step 43.
Measure for +24 Vdc at the following points:
-lead at 01A-A 1V2D08
+ lead at 01 A-A 1X5D 13.
17
18
Is voltage less than +22
Vdc?
Is voltage greater than +22
Vdc?
1.
2.
3.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 43.
1.
Set PCC CB 1 and CB2 off.
Check seating and continuity at the
following cable points:
2.
1°
Display
Console
Optional
Displays
or Printers
01A-A1X5D13 to01F Jl-15
01 A-A 1X5D 10 to 01 F J 1-1
01F Pl-15 to OCP J3-24
01 F P 1-1 to OCP J3-13.
OCP Jack (Pin Side)
Gate 01 F (Local Displays)
4381-3
81M 2676380
IMI
I
PN' 6169107
II'
1-~:.;8_ga....;:;;B.;..;A;:=2..;..10,;;.....---I.1-:2;..;0;;,;f_4____.......
I
EC A20558
EC A20562
01 Oct 84 • 30 Aug 85
PR 412
o Copyright IBM corp. 19B4
O O 000000000000
,
'.i
,
·'!
_:JI
o o
0 0 0 0 0 0 0 0 00
o
()OOOOO
000000000000000 0000000000 000000000
PR 413
Step
Conditions
Instructions
Step
Conditions
Instructions
19
Is open indicated in either
cable?
1.
28
Is voltage greater than +3
Vdc?
2.
2.
3.
Exchange open cable.
Reconnect cable from .0 1F J 1 to OCP J3.
Go to step 43.
20
Go to Instructions column.
1.
2.
3.
Exchange OCP keyboard.
Reconnect cable from .0 1F J 1 to OCP J3.
Go to step 43.
21
Go to Instructions column.
1.
Measure for +24 Vdc at the following
points:
- lead at .0 1A-A 1V2D.o8
+ lead at .0 1A-A 1V2B.o7.
2.
3.
Set CE Mode switch to CE Mode.
Press service oanel Power On.
22
Is voltage less than +22
Vdc?
Go to service panel "Power On" pushbutton
checkout procedure on page PR 441.
23
Go to Instructions column.
1.
2.
Set service panel Power Off switch to
Power Off and then back to Normal.
Measure for +3.3 Vdc at the following
points:
1.
Set PCC CB 1 and CB2 off.
Exchange cable from .0 1A-A 1YM to
01A-A2YA.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
"
29
Go to Instructions column.
3. Go to step 43.
Measure for +3.3 Vdc at the following points:
- lead at .0 1A-A 1V2D.o8
+ lead at .olA-A 1V2U.o7.
30
Is voltage greater than +3
Vdc?
1.
Set PCC CB 1 and CB2 off.
Exchange .0 1A-A 1 board.
Go to step 43.
Set pec ca 1 and Ca2 off.
Exchange .0 1A-A 1V2 card.
Go to step 43.
31
Go to Instructions column.
2.
3.
1.
2.
3.
32
Go to Instructions column.
Measure for +3.3 Vdc at the following points:
- lead at .0 1A-A2D2D.o8
+ lead-at .olA-A2D2J12.
-lead at .o1A-A2E2D08
+ lead at .o1A-A2E2G.o4.
24
Is voltage greater than +3
Vdc?
Go to step 32.
33
Is voltage greater than +3
Vdc?
Go to step 41.
25
Go to Instructions column.
Measure for +3.3 Vdc at the following points:
34
Go to Instructions column.
Measure for +3.3 Vdc at the following points:
- lead at .0 1A-A2D2D08
+ lead at.olA-A2A lC.o8.
26
27
Is Voltage greater than +3
Vdc?
Go to Instructions column.
1. Set PCC CB 1 and CB2 off.
2. Exchange .o1A-A2 board.
3. Go to step 43.
Measure for +3.3 Vdc at the foflowingpoints:
-lead at .olA-A2D2D.oa
+ lead at .olA-A2B1C.o8 .
.-
35
36
Is voltage greater than +3
Vdc?
Go to Instructions column.
1.
2.
3.
Set PCC CB 1 and CB2 off.
Exchange .olA-A2 board.
Go to step 43.
Measure fot' +3.3 Vdc at the following points:
- lead at 01 A-A 1V2D.o8
+ lead at .0 lA-A lJ1E13.
- lead at 01 A-A 1V2D.o8
+ lead at .0 1A-A 1K 1E 13.
37
Is voltage greater than +3
Vdc?
1.
2.
Set PCC Cal and CB2 off;
Exchange cable from .0 1A-A 1YM t~
.olA-A2YA.
Note: . Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
3.
4381-3
BIM 2676380
I~~g
~ Copyright IBM Carp. 1984
BA210
Go to step 43.
PR 413
PR 414
Step
Conditions
Instructions
Step
Conditions
Instructions
38
Go to Instructions column.
Measure for -;-3.3 Vdc at the following points:
47
Does the machine still fail
without error indication?
1.
2.
39
Is voltage greater than +3
Vdc?
40
Go to Instructions column.
41
Go to Instructions column.
. - lead at 01 A-A 1V2D08
+ lead at 01A-A 1V2G12.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 43.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1V2 card.
3. Go to step 43.
1.
01 A-A 1V2 card
o1A-A 1U2 card
01A-A2D2 card
01A-A2E2 card
01A-A2F2 card
PS101
Top card connectors.
Measure for +3.8 Vdc at the following
points:
3.
4.
- lead at 01 A-A2D2D08
+ lead at 01 A-A2D2J 12.
2.
3.
42
Is voltage less than +3 Vdc?
1.
2.
Go
to Instructions column.
3.
Go to step 43.
1.
Set PCC CB 1 and CB2 off.
Check all cables and cards for proper
seating in the following areas:
2.
Set PCC CB 1 and CB2 on.
Go to oaoe PR 901.
Press service panel Power On.
Voltage should change from +3.3 Vdc to
+3.8 Vdc.
Set PCC GB 1 and GB2 off.
Isolate to 01A-A2D2 or 01A-A 1V2 card.
Note: Check seating of top card connectors
at 01A-A2D2W2, X3 and 01A-A 1V2.
43
Ensure PCC CB 1 and CB2 are off.
Exchange the following cards or power
supply:
01 A-A 1 board
01 A-A2 board
Service panel
01F J/P1
OCP (Display and Keyboard).
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
5. Press service oanel Power On.
Go to page PR 901.
I
I
SE~__
VI;~ PA~.El
01A-A!
OlA -A2
Power Off
~KIE13--BIC08 .
AIB02-X3B 02--.....
~
0->0
AIB03--X3B03-----r~
D2
Power O--AIB04--.X3B..04::t
. V2
".
.
J12
On
--1AIBOS-X3BOS]1 I
~~~ .
", . .
CE ~-o-d~~
·-+----B07 .
~
I
:U
,...----XSB 0 2
·---XSB03 .
XSDIO--....
XSD13-(+24V)
I
J
I
U?7-JIE13--AIC08-G~
3.
4.
44
Is the MSS Diagnostic screen
displayed?
45
Is a MSS Ref Code
displaved?
Follow instructions displayed on console
screen.
46
Is there any two-digit power
code or service panel
indicator failure?
Go to page PR 001.
4381-3
B/M 2676380
I~~g
e Copyright IBM corp. 19B4
o
OlF-Jl
OCP
lS
J/P03-24-·J/P02-15
Power Off
::J
1
I
.'
.---0<-0
J/P03-13--· J/P02-1~
0
. I
2
J/P03-12-· J/P02-2~0<--~
3
J/P03-11--J/P02-3--,
Po~er
On
BA210
PR 414
OOOO()OOOOOOOOO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 )
000000000000000 0000000000 000000000
PR 421
Power Off Failure
You are here because the processor fails to power off.
Possible causes:
•
OCP (Display and Keyboard)
•
Service panel
•
01 A-A 1V2 card
•
01A-A2D2 card
•
01A-A2E2 card,
SteD
Conditions
Instructions
1
Only fails to po~er off from
service panel?
1.
2.
3.
Set PCC CB 1 and CB2 off.
Exchange service panel.
Go to step 16.
Only fails to power off from
OCP?
1.
Set PCC CB 1 and CB2 off.
Exchange OCP (Display and Keyboard).
2
2.
AMD
107
PS
111
Note: Check for open cable, bent pins and
cable connector for pushed in pins and seating
before exchanging OCP,
3
Fails to power off from both
pariels?
3.
Go tasteD 16.
1.
Measure for +24 Vdc at the following
points:
.
PS
105 PS
106
-lead at 01A-A 1V2D08
+ lead at 01 A-A 1V2B08.
2.
3.
4
S
Is voltage greater than +22
Vdc?
Go to Instructions column.
1.
2.
3.
PCC
Set service panel Power Off switch to·
Power Off and then back to Normal.
Voltage is expected to go from 24V to
OV.
Front View
Set PCC CB 1 and CB2 off.
Exchange service panel.
Also suspect board net from
01A-A 1X3B03 to 1A-A 1V2B08.
Go to steD 16.
o
4.
Measure for +4 Vdc at the following points:
Left Side View
K1E13
o
-lead at 1A-A 1V2D08
+ lead at 01A-A lJ1E13.
6
Is voltage greater than +2.5
Vdc?
1.
2.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
Note: A TCC could also be defective. Ensure
TCCs are seated and the TCe arrow is pointing
up.
3.
4.
Slcoa AlCOa
J1E13
VC
VB
VE
VF
, , , , ,'!t', , , , • " ... y~., .. ·...........
.............
...........
··...........
·...........
........... ·...........
............ ...... ...... ·........... ·...........
•• ,., Y~" •• , •, , , ,Y!<•• , , • · .,. ,'!~. , , ..
••.• ,Yft., ••• ...•. '!~ ••.. • •••• Y~ •• ,., •"., Y!'I.,."
............ ...... ...... ·.............. ·................ .... .. .. .. . .. .. .. .. ............ .. ................ ·.....................
x
w
v
u
T
s
Q
R
p
N
M
L
K
J
H
G
F
E
o
c
B
A
06
07
08
11
13
02
Also suspect net from 01 A-A 1V2U07 to
01A-A1J1E13.
Go to steo 16.
. ... .. . ZH
.. . . . . .. .. .. . . .. ZG
. .. .. . .. .. ..
. . .... .. ... .
. .. .. . . ... . .. ZE.. . . ... . ..
ZF
.. . .. .. . .. .
.. . .. .. .. ZO
. .. . .. .. ..
.
. .. . .. . ZC
.. .. . .. .. . ..
.. ............. .
ZB
. ....................
.
ZA
0' 0 0.00 •••• °
13
02
03
L'_o_,_,,_,_,,_,_,,_'__,_,_,,~._.'_'_,_,'_'__,_,_.'_'_o,_'_0_"_'__'_'_"_'_"_'_'_"_'__'_"_'_'_"_'_"_'_'__
0_"_'_'_"_'_"_'_'__0_"_'_"_'_0_'0_'_'__
'_"_'_"_'_'_"_'~' ~
PIN SIDE
4381-3
B/M 2676380
I~!g
o Copyright IBM Corp. 1984
BA215
PR 421
PR 422
Step
Conditions
Instructions
7
Go to Instructions column.
Measure for +4 Vdc at the following points:
S
Is voltage greater than +2.5
Vdc?
1.
2.
SteD
16
Conditions
Go to Instructions column.
- lead at OlA-A lV2DOa
+ lead at OlA-A2A lCOa.
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A 1YM to
OlA-A2VA.
01 A-A 1 board
01 A-A2 board
Service panel
OCP (Display and Keyboard).
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
g
Go to Instructions column.
10
Is machine not failin!l?
Go to Instructions column.
11
Instructions
1. Ensure PCC CB 1 and CB2 are off.
2. Aeinstall and check all cables and cards
for proper seating in the following areas:
3.
4.
5.
Aeset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to Daoe PA 901.
3.
1.
2.
3.
Go to steD 16.
Set PCC CB 1 and CB2 off.
Exchange 01A-A2E2 card.
Also suspect open net from
01A-A2E2G04 to OlA-A2A lCOa.
Go to step 16.
Measure for +4 Vdc at the following points:
-lead at 01A-A lV2DOa
+ lead at OlA-A2B1COa.
12
Is voltage greater than +2.5
Vdc?
13
Go to Instructions column.
Set PCC CB 1 and CB2 off.
Exchange 01A-A2D2 card.
Also suspect open net from
01A-A2D2J12 to OlA-A2B lCOS.
4. Go to steD 16.
Measure for +4 V dc at the following points:
1.
2.
3.
SERVICE
PANEL
- lead at 01 A-A 1V2DOa
+ lead at OlA-A lK lE13.
14
Is voltage greater than +2.5
Vdc?
1.
2.
Go to Instructions column.
3.
1.
2.
L1V2l
:24~o-AIB03-X3B03-~~~
Set PCC CB 1 and CB2 off.
Exchange cable from 01A-A2YA to
·OlA-AlYM.
o
Power Off
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
15
(YA)
OlA-AI
I
(YM)
I
KIE13
(YM)
1~7-JIEI13
,
~
OlA-A2
BIC08
!w.
~!fMBC
(YA)
rE2l
AIC08--G~
pwr
off
to MSS
Go to steD 16.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
Note: A TCC could also be defective. Ensure
TCCs are seated and the TCC arrow is pointing
up.
3.
4.
4381-3
81M 2676380
INil
I
Also suspect open net from
01A-A 1K lE 13 to 01A-A lV2G12.
Go to steD 16.
PN 6169108
II
EC A20558 .•/ EC A20562
. 30 Aug 85·
1..~::.;e::gL.:B:.:;;:A:::2~1.=.5_...j.L.:2::..:o::.:f~2=--_ _...j.. 01 Oct 84
PR 422
o Copyright IBM Corp. 1984
{)
OOOOOOOOOOO()O
o
0000
000000000:
000000000000000 0000000000 000000000
MBC Reset
PR 431
You are here because of a MBC reset line failure.
Possible causes:
01A-A 1U2 card
•
01A-A 1V2 card
•
01 A-A2F2 card.
Step
1
Instructions
Conditions
Go to Instructions column.
1.
2.
2
Is voltage greater than -t:0.8
Vdc?
1.
2.
Set service panel Power Off switch to
Power Off and then back to Normal.
Measure for +4 Vdc at the following
points:
- lead at 01 A-A 1V2D08
+ lead at 01A-A 1V2U06.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
AMO
107
Note: A TCC could also be defective. Ensure
PS
111
TCCs are seated correctly and the TCe arrow is
pointing up.
3
3. Go to step 32.
Measure for +4 Vdc at the following points:
Go to Instructions column.
-lead at 01 A-A 1U2D08
+ lead at o1A-A 1U2B 12.
4
Is voltage greater than +0.8
Vdc?
1.
2.
Set PCC CB 1 and CB2 off.
Exchange 01A-A 1U2 card. (See note.)
Note:
PS
105 PS
106
pee
If still failing, exchange 01 A-A 1
board.
5
3.
1.
Go to Instructions column.
2.
3.
4.
6
81M 2676380
I~~g
fI Copyright IBM Corp. 19B4
BA220
Front View
Left Side View
Voltaae should chanoe from 0 to +4V.
Go to step 15.
Is voltage less than +2.4
Vdc?
4381-3
Go to step 32.
Set service panel Power Off switch to
Power Off and then back to Normal.
Measure for +4 Vdc at the following
points:
- lead at 01 A-A 1V2D08
+ lead at 01A-A 1V2U06.
Press service panel Power On.
Wait 10 seconds and record voltage.
tPN
6169109
1 of 4
EC A20558
01 Oct 84
EC A20560
18Feb85
PR 431
PR 432
Step
Conditions
7
Go to Instructions column.
Instructions
1. Set service panel Power Off switch to
Power Off and then back to Normal.
2. Measure for +4 Vdc at the following
points:
-lead at 01A-A 1V2D08
+ lead at 0 1A-A 1U2B 12.
3.
4.
8
Is voltage less than +2.4
Vdc?
9
Is voltage greater than +2.4
Vdc?
10
Go to Instructions column. -
Press service panel Power On.
Wait 10 seconds and record voltage.
Voltaae should chanoe from 0 to +4 Vdc.
1. Leave the CE Meter connected to
01A-A 1U2B 12.
2. Set PCC CB 1 and CB2 off.
3. Disconnect cable at 01 A-A 1YN (card
side).
4. Set PCC CB 1 and CB2 on.
5. Press service panel Power On.
6. Wait 10 seconds before check ina voltaae.
Go to step 20.
YO
. .... Y~.... . .... Y~.... . ....'!~.....
x
VC
VB
..... '!~ ....
. ...........
. ...........
.•.......... ............ ............
.... .'!~..... • •••• Y!-••••• • •••• Y!C••••• . .... '!~ .....
.:
w
v
u
T
s
R
Q
p
N
M
L
K
J
........... ............
H
G
F
E
o
• a·a • • • • • • • • •
c
B
A
06
07
08
11
13
02
Measure and record voltages at the following
points:
.. ..
Go to page PR 45 1 "Logic Reset" pushbutton
failure.
13
Is voltage less than +0.8 Vdc
at 01 A-A 1U2B02?
Go to page PR 391 "Power On/IML"
Dushbutton failure.
14
Go to Instructions column.
ZG
Go to page PR 451 "IML" pushbutton failure.
1.
2.
13
'" •• ~••••• 02
L -______________________________________________________________________~M
• • • . . • • . • . . • . . . . . . . . .. • • . . • • • • . • • . • • • • . . . . . • • . • . • . • . • •. . •• • • • • • . • • •• • • • • • ..... _•• ., . • • • • • • • . . . • • .• 03
ZH
Is voltage less than +.0.8 Vdc
at 01 A-A 1U2D12?
Is voltage greater than +22
Vdc at 01A-A 1U2D05?
12
VF
.•... '!'tt... .. •.... y~ ••.•
-lead at 01A-A 1V2D08
+ lead at 01A-A 1U2D12
+ lead at 01A-A 1U2D05
+ lead at 01 A-A 1U2B02.
11
M1B13
M1E13
PIN SIDE
Set PCC CB 1 and CB2 off.
Exchange 01A-A 1U2 card.
,
Note:
If still failing, exchange 01 A-A 1
board.
3.
4381-3
BIM 2676380
o Copyright IBM Corp.
I~~g
IPN
BA220
Go to .stec 32.
6169109
2 of 4
EC A20560
18 Feb 85
PR 432
19B4
000000000000000 0000000 000 00000000
1
o
"".'1",,',
,
000000000000000 0000000000 000000000
PR 433
Step
Conditions
Instructions
St~
Conditions
Instructions
15
Go to Instructions column.
1.
21
Is voltage greater than +2.4
Vdc?
Go to step 27.
22
Go to Instructions column.
1.
2.
2.
3.
Set PCC CS 1 and CS2 off.
Disconnect cable at 1A-A 1VN (card
side).
Measure for +4 Vdc at the following
points:
o
3.
4.
-·Iead at 01 A-A 1V2DOS
+ lead at 1A-A 1V2U06.
o
4.
5.
6.
Set PCC CS 1 and CS2 on.
Press service panel Power On.
Wait 10 seconds and record voltage.
5.
6.
23
Is voltage less than +O.S
Vdc?
1.
2.
Voltaae should change from 0 to +4 Vdc.
16
17
Is voltage greater than +2.4
Vdc?
Go to Instructions column.
Go to step 20.
1.
2.
3.
Set PCC CS 1 and CS2 off.
Remove lA-A 1U2 card.
Measure for +4 Vdc at the following
points:
24
Go to Instructions column.
1a
19
Is voltage greater than +2'.4
Vdc?
Go to Instructions column.
1.
2.
3.
Set pee CSl snd CS2 off.
Exchange 1A-A 1U2 card~
Go to step 32.
1.
2.
Set PCC CS 1 and CS2 off.
Exchange 01 A-A 1V2 card.
20
Go to Instructions column.
3.
1.
2.
Set PCC CS 1 and CS2 off.
Reconnect cable at 01 A-A 1YN if
disconnected (card side).
Remove cards 01 A-A2G2 through
01A-A2X2.
leave meter connected to the failing pin
(U2S12 or V2U06).
Set PCC CS 1 and CS2 on.
Press service panel Power On.
Wait 10 seconds and record voltage.
3.
4.
5.
6.
7.
43S1-3
BIM 2676380
I~~g
~ Copyright IBM Corp. 1984
BA220
IPN
6169109
3 of 4
EC A20558
01 Oct 84
Set PCC CB 1 and CS2 off.
Remove 01A-A2F2 card.
Measure resistance at the following
points:
o
Note: leave meter connected.
25
Is a short indicated?
1.
2.
Exchange 01 A-A2 board.
Go to step 32.
26
Is an open indicated?
1.
2.
3.
Set PCC CB 1 and CB2 off.
Exchange 01A-A2F2 card.
Go to step 32.
27
Go to Instructions column.
Note:· If still failing, exchange 01 A-A 1
Go to step 32.
Go to step 32.
1.
-lead at 01 A-A 1V2D08
+ lead at failing pin (01 A-A 1 U2B 12 or
lA-A lV2U06).
o
board.
3.
2.
3.
o
o
-lead at lA-A 1V200S
+ lead at 1A-A 1V2U06.
Set PCC CS 1 and CS2 on.
Press service panel Power On.
Wait 10 seconds and record voltaae ..
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A 1YN to
01A-A2VB.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
o
4.
5.
6.
Set PCC CS 1 and CS2 off.
Disconnect cable at 01A-A2VB (card
side).
Set PCC CB 1 and CB2 on.
Leave meter connected to failing pin
(U2S12 or V2U06).
Press service panel Power On.
Wait 10 seconds and record voltaae.
Measure for +4 Vdc at the following·
points:
- lead at 01 A-A2D2D08
+ lead at 01A-A2D1C08
+ lead at 01A-A2C1E08.
EC A20560
18 Feb 85
PR 433
PR 434
SteD
Conditions
Instructions
28
Is voltage less than +0.8 Vdc
at either point?
1.
2.
3.
Set service panel Power Off switch to
Power Off and then back to Normal.
Set PCC CB 1 and CB2 off.
Exchange cable from 01 A-A 1YN to
01A-A2YB.
Note:
If still falling. exchange 01 A-A 1
board.
29
Go to Instructions column.
Go to step 32.
1.
Set service panel Power Off switch to
Power Off and then back to Normal.
Reinstall one of the cards removed from
board 01A-A2 in step 20.
Leave meter connected to the failing pin.
Press service panel Power On.
Wait 10 seconds and record voltage.
Set service panel Power Off switch to
Power Off and then back to Normal.
Exchange card just reinstalled.
Repeat steps 29. 30. and 31 until all
cards have been reinstalled in 01A-A2.
then QO to step 32.
Repeat steps 29, 30, and 31 until all
cards have been reinstalled in 01A-A2.
then ao to step 32.
3.
4.
5.
30
Is voltage less than +0.8
Vdc?
1.
2.
3.
31
Is voltage greater than +2.4
Vdc?
32
Go to Instructions column.
1.
1.
2.
I
~
Uj
~~:~~ _ _ ._:~~2
OV IMl X3B08---
4.
2.
OV Power Off
+24V Power On
I
loglc Reset X3B09-
OIA-AI
fe-power off)
I
(YM)
(YA)
OIA-A2
JIE 13--AIC 08~::::;
1
I
--G2B07
U07
(YN)
(YB)
--K2P05
U06-.-(-power on reset)-MIE13--Dlc08----l2P05
l~
I
I
r F2G12
(YH)
(YB)
--G2J12
U2
fMIB13--CIEOS-.-. G4D02
D13
--H2J12
OCP Power On X5B03
'-------D12
--K2S03
1-------D05
--L2S03
I BI2-(-reset)
--P2J05
(YN)
--R2J06
OV OCP IMl X5D12'--------------B02 I
I B()7-(-alt SW)-MIC13l.
.
--S2D09
~
--T2D09
'-----------------------------------~--V2GIO
L-X2P13
(YA)
DIA08--H2JI0
I
I.
I
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
o1A-A 1 board
01 A-A2 board
Service panel.
3.
4.
4381-3
B/M 2676380
o Copyright IBM Corp.
I~~g
1984
I
Set PCC CB 1 and CB2 on.
Go to paQe PR 901.
PN 61691. 09
BA220
4of4
EC A20558
01 Oct 84
PR 434
00000000000000 00'00000000 000000000
000000000000000 0000000000 000000000
PR 441
Service Panel
You are here because of a service panel switch or pushbutton failure or to verify service panel switch/pushbutton operations.
The fol/owing chart will direct you to the proper switch or pushbutton repair or repair procedure.
Switch I Pushbutton
Go To
Power On
Power Off
CE Mode
Check Reset
Logic Reset
IML
Copy SP Storage Data
I/O Power Hold
Lamp Test
Step 1
Step 18
PR 461
PR 451
PR 451
PR 451
PR 471
PR 461
PR 371
Power On
With CE Mode switch set to Normal:
Pressing service panel Power On causes the IPL screen to display and the Power Power Complete indicator on the OCP
and the service panel to light.
With CE Mode switch set to CE Mode:
Pressing service panel Power On causes the Partial Power Up/Down screen to display and the Power In Process
indicator on the OCP and the service panel to light.
AMD
107
Step
Conditions
Instructions
1
Is operation correct?
Go to step 32.
2
Go to Instructions column.
1.
2.
3.
3
4
Is voltage less than +22
Vdc?
Go to Instructions column.
111
Set service panel Power Off switch to
Power Off and then back to Normal.
Set CE Mode switch to CE Mode.
Measure for +24 Vdc at the following
points:
-lead at 01A-A 1V2D08
+ lead at 01A-A 1V2B08.
Go to step 19.
1.
PS
Measure for +24 Vdc at the following
points:
PS
105 PS
106
pee
-lead at 01A-A 1V2D08
+ lead at 01A-A1V2B07.
2.
Press and hold service Danel Power On.
Front View
(If Present)
Left Side View
4381-3
B/M 2676380
I
M'
,pN-6169110
II
L.S~e;:;.;g:a...::B;.:.A.:::2:;:2:.;:5~--,. ..:.1..;:o;.;;.f.;:;3_ _ _.....
o Copyright IBM CorP. 19B4
ECA20558·' ECA20562
01 Oct 84 . 30 Aug 85
PR441
PR442
St8P
Conditions
5
Is voltage greater than +22
Vdc?
6
Go to Instructions column.
Instructions
Go to step 15 .
1.
7
Is voltage greater than +22
Vdc?
8
Go'to Instructions column.
1.
Press and hold service panel Power On.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 32.
Measure for +24 Vdc at the following
points:
- lead at 01 A-A 1V2D08
+ lead at 01A-A lX3B02.
9
Is voltage greater than +22
Vdc?
2.
1.
2.
Conditions
Go to Instructions column.
- lead at 01 A-A 1V2DOB
+ lead at 01 A-A 1X5D 13.
13
Is voltage greater than +22
Vdc?
3.
14
15
Go to Instructions column.
1.
Go to Instructions column.
2.
3.
1.
Press and hold service panel Power On.
Set PCC CB 1 and CB2 off.
Exchange service panel.
Check board for bent pins and cable
connector for pushed in pins and seating at
01 A-A 1X3 and service panel connector A 1
before exchanging service panel.
3.
Go to Instructions column.
Go to step 32.
Measure for +24 Vdc at the following points:
1.
2.
Set PCC CB 1 andCB2 off.
Exchange OCP (Display and Keyboard).
Note: Check board for bent pins and cable
connector for pushed in pins and seating at
01 A-A 1X5, 01 F-J/P 1, and OCP before
exchanging cable.
Go to step 32.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 32.
Measure for +24 Vdc at the following
points:
- lead at 01 A-A 1V2DOB
+ lead at 01 A-A 1V2U02 .
.
Note:
10
Instructions
Measure for +24 Vdc at the following points:
Measure for +24 Vdc at the following
points:
- lead at 01 A-A 1V2D08
+ lead at 01 A-A 1X3B04.
2.
1.
2.
3.
St8D
12
16
Is voltage greater than +O.B
Vdc?
17
Go to Instructions column.
2. Press service panel Power On.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01A-A lV2
card.
,
3. Go to step 32
Power On is functioning correctly., Go to page
PR901.
.'
-lead at o lA-A lV2DOB
+ lead at 01A..A lX5Dl0.
11
Is voltage greater than +22
Vdc?
1.
2.
3.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 32.
•
4381-3
B/M2676380
I~~g
C Copyright IBM Corp. 1984
BA225
PR 442
00000000000000 0000000000 000000000,
[0
00000000000000 0000000000 000000000
I:
I
PR 443
Power Off
Setting the service panel Power Off switch to the Power Off position causes a sequential power down of the I/O devices
and processor power supplies.
•
Step
30
The Power Off switch must be set to the Normal position for Power On operations.
31
Step
Conditions
Instructions
18
Is operation correct?
Go to step 32.
19
Go to Instructions column.
1.
2.
20
21
Is voltage less than +0.8
Vdc?
Is voltage greater than +22
Vdc?
22
Is voltage greater than +22
Vdc?
23
Is voltage less than +0.8
Vdc?
Conditions
Is voltage less than +0.8
Vdc?
Instructions
1. Set pcc CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 32.
Is voltage greater than +22
Vdc?
1.
2.
Note: Check board for bent pins and cable
connector for pushed in pins and seating at
01 A-A 1X5, 01 F-J/P 1, and OCP before
exchanging cable.
Set service panel Power Off switch to
Power Off and then back to Normal.
Measure for 0 Vdc at the following
points:
3.
- lead at 01 A-A 1V2D08
+ lead at 01A-A 1V2B08.
Go to step 25.
32
Go to Instructions column.
Set service panel Power Off switch to Power
Off and then back to Normal.
1. Set PCC CB 1 and CB2 off.
2. Exchange service panel.
3. Go to stQQ32.
1. Set service panel Power Off switch to
Normal.
2. Measure for 0 Vdc at the following points:
25
Is voltage less than +0.8
Vdc?
Go to Instructions column.
3. Press service~anel Power Off.
Service panel Power Off .switch is operating
correctlv. Go to step 32.
Measure for +24 Vdc at the follOwing points:
~.
- lead at 01 A-A 1V2D08
+ lead at lA-A 1X3B02.
o
26
Is voltage greater than +22
Vdc?
1.
2.
Set PCC CB 1 and CB2 off.
Exchange service panel.
3.
4.
5.
6.
SERVICE PANEL
Power Off
0
r-.>0
IPower On
o
3.
,0
27
Go to Instructions column.
I L-AlB02
.
0<--0
Gnd
28
Is voltage greater than +22
Vdc?
1.
2.
3.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 32.
29
Go to Instructions column.
Measure for 0 Vdc at the following points:
- lead at 01 A-A 1V2D08
+ lead at 01 A-A 1X5D13.
OlA-Al
I
I
U2
D12 IML
005 logic Reset
0<--0------'
logic Reset
Measure for +24 Vdc at the following points:
-lead at 01A..A 1V2D08
+ lead at 01 A-A 1X5D 10.
Set PCC CB 1 and CB 2 on.
Set CE Mode switch to Normal.
Set service panel Power Off switch to
Normal.
Go to oaoe PR 901.
1
- - - - - - - ' -
IMl
+24V-o
Go to step_ 32.
Go to steo 32.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
X3B02
V2
AlB03---------------X3B03--------+-----------B08 Power Off U07-Power Off to MSS
.--0-->0
A1B04
X3B04
.----B07 Power On U02-pick PS101 K3
ICE Mode Normal r--A1B05
X3B05
'
I
o-->o--------J r---A1B08
X3B08
o CE Mode Ir--AlB09
X3B09~--~~--
Note: Check board for bent pins and cable
connector for pushed in pins and seating at
lA-A 1X3 and service panel connector A 1
before exchanging service panel.
1.
2.
01 A-A 1 board
Service panel
01F
OCP (Display and Keyboard).
- read at 01A-A 1V2D08
+ lead at 01A-A 1V2U07.
24
Set PCC CB 1 and CB2 off.
Exchange OCP (Display and Keyboard).
OPERATOR PANEL-KEYBOARD
Power On
r---~
r~:I~
I ~wer :ff
.--0,>0
I
:
I
U2
B02
IMl OCP
I
X5 D12'-1---+--+-....1
X5B02
X5B03·--J----I
,
V2
X5D1l---+---------B06 Check Reset
X5D10
X5D13-- +24V
0
·-----0->0
o
4381-3
B/M 2676380
I
I
II
I
iVII
PN 6169110
EC A20558
EC A20562
..._S_eg;a...,.;B~A...;;2_2_5___---,.....3...0....f...3______--,. _ 01 Oct 84 . 30 Aug 85
ID Copyright IBM Corp. 19B4
PR 443
\
aooooooooooooooooooooooooooooooooo
.'
,",0';1,'" 'M
['II'
11"1"
000000000000000 0000000000 000000000
PR 451
Logic Reset, Check-Reset, And IML
The following chart will direct you to the proper step for the pushbutton functions.
Pushbutton
Go To
Step 1
Step 6
Step 11
Logic Reset
Check Reset
IML
Logic Reset
Pressing Logic Reset causes a hardware reset of the MSS and posts an EC Ref Code on the ERD screen.
Step
Conditions
1
Go to Instructions column.
Instructions
1. Measure for +24 Vdc at the following
points:
-lead at 01A-A lU2D08
+ lead at 01A-A1U2D05.
2
3
Is voltage greater than +22
Vdc?
2.
1.
2.
3.
Go to Instructions column.
1.
Press and hold Logic Reset.
Set PCC C8l and C82 off.
Exchange 01 A-A 1U2 card.
Go to steD 16.
Measure for +24 Vdc at the following
points:
AMD
107
PS
111
-lead at 01 A-A 1U2D08
+ lead at 01A-A 1X3809.
2.
4
5
Is voltage greater than +22
Vdc?
Go to Instructions column.
1.
2.
3.
,.
2.
Press and hold LOQic Reset.
Set PCC CB1 and CB2 off.
Exchange 01 A.;,A 1 board.
Go to step 16.
Set PCC CB 1 and CB2 off.
Exchange service panel or cable from
01 A-A 1X3 to se~ice panel connector A 1.
PS
105 PS
106
PCC
/
Note: Check board for bent pins and
cable connector for pushed in pins and
seating at 01 A-A 1X3 and service panel
connector A 1 .before exchanging service
panel.
3.
Front View
Go to step 16.
(If
Presen t)
Left Side View
4381
BIM 2676380
I~~g
~ Copyright IBM Corp. 1984
BA230
PR 451
PR 452
Check Reset
Pressing Check Reset resets 01A-A lV2 (MBC card).
Step
Conditions
Instructions
6
Go to Instructions column.
1.
Measure for +5 Vdc at the following
points:
-lead at 01A-A 1V2D08
+ lead at 01 A-A 1X3D07.
7
2.
1.
2.
Is voltage less than to.8
Vdc?
Press Check Reset.
Set PCC CB 1 and CB2 off.
Exchange service panel or cable from
01 A-A 1X3 to service panel connector A 1 .
Note:. Check board for bent pins and
cable connector for pushed in pins and
seating at 01 A-A 1X3 and service panel
connector A 1 before exchanging service
panel.
3.
8
Go to Instructions column.
1.
Go to step 16.
Measure for +5 Vdc at the following
points:
-lead at 01A-A 1V2DOB
+ lead at 01A-A 1V2G03.
3.
Press Check Reset.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1V2 card.
Go to step 16.
1.
2.
3.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 16.
2.
9
10
Is voltage greater than +3.5
Vdc?
Is +5 Vdc present?
4381
81M 2676380
e Copyright IBM Corp. 1984
1.
2.
.2PNof63169111
1
II
EC A20568
01 Oct·84
~~~~~~--------~~--~----~--~----~--------~
PR452
OOOOOOOOOOOOO()O O()()OOOOO()O 0 0 0 0 0 0 0 0 0 ,
0000000000000000000000000 000000000
PR 453
IML
Pressing IML causes an IML of the processor and the General Selection (Q) screen is displayed.
Step
Conditions
11
Go to Instructions column.
Instructions
1. Measure for +5 Vdc at the fol/owing
points:
SERVICE PANEL
+24--0-->0
- lead at 01A-A 1U2D08
+ lead at 01A-A 1U2D12.
12
Is voltage less than +0.8
Vdc?
2.
1.
2.
3.
13
Go to Instructions column.
1.
I
I.
OlA-A1.
~
o-A 1B0 9-X3B 0 9---005
Logic Reset
Press and hold IMl.
I
B12-Ml B13--( re set)
~7--MlC13--(alt sw)
.
I
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1U 2 card.
Go to st~ 16.
Measure for +5 Vdc at the following
points:
- lead at olA-A 1U2D08
+ lead at 01A-A 1X3B08.
2.
14
Is voltage less than +0.8
Vdc?
15
Go to Instructions column.
1.
2.
3.
1.
2.
Press and hold IMl.
Set PCCCB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 16.
SERVICE PANEL
OlA-A!
~SVO-->~-A!D07-X3D07--Gt3
V21
Check
Reset
Set PCC CB 1 and CB2 off.
Exchange service panel or cable from
01 A-A 1X3to service panel connector A 1.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating at 01 A-A 1X3 and service panel
connector A 1 before exchanging service
panel.
16
Go to Instructions column.
3.
Go to step 16.
1.
2.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following areas:
01 A-A 1 board
Service panel.
3.
4.
5.
:~~1 2676380 I~~g
~ Copyright IBM Corp. 1984
I
.30f3
OIA-AI
LJ2
0
Ir--o--> o-AIB08-X3B08---D12
Gnd
IML
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to paQe PR 901.
PN 6169111
BA230
SERVICE PANEL
II
EC A20558I
_ ~.~O~1~O~c~t~8~4~~___________~________~__________~________~
PR 453
0000000000000000000000000000000000
''''dO"''',,,,
·IJ/I·w' .... ,'"·",,,·1I',.,, .. ;··;,,1
0000000000000000000000000 000000000
PR 461
CE Mode And I/O Power Hold
The following chart will direct you to the proper step for the switch functions.
Switch
CE Mode
Normal Mode
I/O Power Hold
Go To
Step 1
Step 41
Step 15
CE Mode
•
CE Mode position:
Turns Basic Check indicator on.
Test will be displayed on console line 22.
Allows CE screens to be displayed.
Disables OCP Power On function.
•
Normal position:
Turns Basic Check indicator off.
Inhibits display of CE screens.
Enables OCP Power On function.
SteD
1
2
3
Conditions
Is operation correct?
Go to Instructions column.
Go to Instructions column.
Instructions
Go to step 14.
Set CE. Mode switch to CE Mode•.
Measure for +24 Vdc at the following points:
4
Is voltage greater than +22
Vdc?
5
Go to Instructions column.
- lead at 01A..A 1V2008
+ lead at 01A-A1V2B05.
1. Set PCC CSl and CB2 off.
2. Exchange. service panel.
3. Go to step 14.
Measure for +5 Vdc at the following points:
6
Is voltage less than +O.B
Vdc?
7
Go to Instructions column.
AMD
107
PS
111
PS
105 PS
-lead at 01A-A202008
+ lead at 01A-A20280B.
1. Set pec CB 1 and CB2 off.
2. Exchange 01A-A202 card.
3. Go to step 14.
Measure for +5 Vdc at the following points:
106
PCC
- lead at 01A-A2D2D08
+ lead at 01A-A2C1B06.
Front View
Left Side View
4381
BIM 2676380
I~~g
CI Copyright IBM Corp. 1984
BA235
I~~f ~169112 IL. 1. ;:~;. :~:. . ~=-C;:;.:2~:. . ;:=-!.;. 8~
_ _ _ _ _,--_ _ _ _....._ _ _ _--,-_ _ _ _
J
PR 461
PR 462
Step
B
Conditions
Is voltage less than +O.B
Vdc?
9
Go to Instructions column.
10
Is voltage less than +O.B
Vdc?
Instructions
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A2 board.
3. Go to step 14.
Measure for +5 Vdc at the foflowing points:
1.
2.
- lead at 01 A-A 1V2DOB
+ lead at 01 A-A 1L 10 11 .
Set PCC CB 1 and CB2 off.
Exchange cable from 01A-A 1YM to
01A-A2YA.
V1A06
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
11
Go to Instructions column.
12
Is voltage less than +0.8
Vdc?
13
Is the Basic Check indicator
off?
or
Is the console line 22 test
indicator off?
3. Go to step 14.
Measure for +5 Vdc at the following points:
1.
2.
3.
1.
2.
3.
4.
5.
14
Go to Instructions column.
1.
2.
-lead at o1A-A 1V2DOB
+ lead at o1A-A 1V2U 10.
Set PCC CB1 and CB2 off.
Exchange o1A-A 1 board.
Go to step 14.
Set PCC C8l and CB2 off.
Exchange 01 A-A 1V2 card.
Exchange 01A-A2D2 card.
If still failing, use second level to isolate
failure.
Go to step 14.
Set PCC CB 1 and CB2 off.
Check afl cables and cards for proper
seating in the following areas:
C1B06
L1D11
VO
VC
VB
VE
VF
..... '!~.....
.••.........
.•....•..••.
..•....•.•..
............
••..........
........................
......•.....
..
......................
............
.. .. . .. . .. .. .. . . .. . .. .. .. .. . .. . .. .. . .. . . ...........
..... y~••..•
.. .. . ..
U1E06
... . .. .. .. ..
••.•• Y!l••••• ••••• Y~ •••• .....rr..... ••••• Y!'I••••• • ••••'(IYI••••• .......... y~......... ........ •Y!<......... . .... '!~ .....
. ..................... .. . .. .. .. . .. .. . . . .. . . . . . . .. .. . .. .. . ....•....•.. ............. . ...... ... ............
.
.. . .. .. .. .. .. .. .. .. .. ..
X
W
V
U
T
S
R
Q
P
N
M
L
K
J
H
G
F
.
E
0
C
B
A
06
07
08
11
13
02
:
.
............ ............
. .........................•......•.•........................
........ . ........... .
...........• ........ .. ......•..••. ....•.... ..•......... ............
..~.........
.
~.
13
••••• ~••••• 02
03
~------------------------------------~P-IN~S~.~O-E------------------------------------~
04
o1A-A 1 board
Service panel.
3.
4.
5.
4381
BIM 2676380
I~~g
C Copyright IBM Corp. 1984
o ()
Set PCC CB 1 and CB2 on.
Set CE Mode switch to Normal.
Go to page PR 901.
BA235
PR 462
0 ()() 0 0 0 0 0 () 0 0 0 0 0 0 0 0 0 0 0 0 0 O()OOOOOOO
~-'!'r:{![""[I,'!r
1
""\,J",,,,,,,,,,,,,
0000000000000000000000000 000000000
PR463
I/O Power Hold
•
Normal position:
Allows normal powering off of I/O devices when processor power off sequence is initiated.
•
I/O Power Hold position:
Allows the I/O devices to remain powered up after the processor Power Off sequence is complete.
The I/O Power Hold indicator is on and an I/O Power Hold message is displayed on the console.
Step
15
16
Conditions
Is operation correct?
Go to Instructions column.
17
Is the I/O Power Hold
indicator on and I/O drops
power?
Go to Instructions column.
18
Instructions
Go to step 40.
Set the I/O Power Hold switch to the I/O
Power Hold position.
Go to step 33.
Measure for +24 Vdc at.the following points:
-lead at 01A.;.A 1V2D08
+ lead at 1A-A 1X3B11.
1. Set PCC CB t and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to steD 40.
Measure for +24 Vdc althe following points:
Step
24
Conditions
Go to Instructions column.
Is voltage less than +22
Vdc?
20
Go to Instructions column.
- lead at 01 A-A 1V2D08
+ lead at 1A-A1X3B 10.
Set PCC CB 1 and CB2 off.
Exchange service panel.
25
Is voltage less than +2.5
Vdc?
26
Go to Instructions column.
27
Is voltage less than +2.5
Vdc?
28
Go to Instructions column.
o
21
Is voltage less than +22
Vdc?
-
22
23
1.
2.
Go to.lnstructions column.
Is voltage less than +22
Vdc?
4381
B/M 2676380
I~~q
C Copyright IBM Corp. 1984
BA235
3. Go to step 40.
Measure for +24 Vdc at the following points:
1.
2.
3.
- lead at 01 A.;.A 1V2D08
+ lead at 01 A-A 1U2J05.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to steo 40.
-lead at 1A-A 1V2D08
+ lead at 01A-A1U2G05.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1U2 card.
3. Go to step 40.
Measure for +5 Vdc at the following points:
- lead at 01 A-A 1V2D08
+ lead at 01A-A 1K 1E 11.
1. Set PCC CB 1 and CB2 off.
2. Exchange 01 A-A 1 board.
3. Go to step 40.
Measure for +5 Vdc at the following points:
-lead at 01A-A 1V2D08
+ lead at 01 A-A2B 1
1. ··Set PCC CB 1 and CB2 off.
2. Exchange cable from 01A-A2VA to
01A-A1YM.
coe.
29
Is voltage less than +2.5
Vdc?
Note: Check for continuity between
01A-A 1X3B 10 to service panel connector
A 1B10 and 01A-A1X3B 11 to service panel
connector A 1B 11 before exchanging service
panel.
-
Measure for +5 Vdc at the following points:
o
o
19
Instructions
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
30
31
Go to Instructions column.
Is voltage less than +2.5
Vdc?
3. Go to step 40.
Measure for +5 Vdc at the following points:
1.
2.
3.
- lead at 01 A-A 1V2D08
+ lead at 01A-A2D2D07.
Set PCC CB 1 and CB2 off.
Exchange 01 A-A2 board.
Go to step 40.
1~~f~'69112 I LI~~~;~~~ct~20~:~!~8~__________~________~__________~__________~
PR463
PR464
Step
32
Conditions
Go to Instructions column.
33
Go to Instructions column.
Instructions
1. Set pcc C81 and C82 off.
2. Exchange 01 A-A 102 card.
3. Go to steo 40.
1. Set PCC C81 and C82 off.
2. Disconnect cable at PS 10 1 J/P03.
3. Measure resistance at the following
points:
- lead at PS 101 P03-2
+ lead at PS 10 1 P03-3
(cable end).
34
Is a short indicated?
1.
Exchange PS 101 .
Note:
Check cable connectors for pushed in
pins and seating before exchanging power
supply.
35
Go to Instructions column.
2. Go to step 40.
Measure resistance at the following points:
-lead at o1A-A 1V1A06
+ lead at 01A-A1U1E06.
36
Is a short indicated?
1.
Exchange the cabie from 01 A-A 1YG to
PS101 J/P03.
Note: Check board for bent pins and
cable connector for pushed in pins and
seating before exchanging cable.
37
Go to Instructions column.
2. Go to steo 40.
Measure resistance at the following points:
-lead at 01A-A 1X3B 13
+ lead at 01A~A1X3B'2.
38
Is a short indicated?
39
Go to Instructions column.
1.
2.
1.
Exchange 01 A-A 1 board.
Go to step 40.
Exchange service panel.
Note: Check for continuity between
01 A-A 1X3B 12 to service panel connector
A 1B 12 and 01 A-A 1X3B 13 to service panel
connector A 1B 13 before exchanging service
panel.
40
Go to Instructions column.
2.
1.
2.
Go to step 40.
Set PCC CB 1 and CB2 off.
Check all cables and cards for proper
seating in the following areas:
PS101
01 A·A 1 board
01 A-A2 board
Service panel.
3.
4.
5.
4381
B/M 2676380
I~~q
Set PCC CB 1 and CB2 on.
Set I/O Power Hold to Normal.
Go to page PR 901.
BA235
PR 464
C Copyright IBM Corp. 1984
I
(
)
(
)
o~
0000000000000000000000
o () ()
-0-----0-0 0 0- 0
111[1"
i
1\11
I
j,·,r
I
I.lJ
ull,'
hi'
1"16" "!
1111 Ll1:r~Pljl.4"bW·!!!'!1
"'"1 lIupenf' Ifbu blf"fn 1"1 "f"!blfl!ltP'lflfl"flHH.!¥i"0.
AIBIO-X3BIO
o No rma I
I
SERVICE PANEL
01 A-A 2
r-,----O-l-.A--A-l---..,I
Power
4.
rD2l
I
I
S ERVIC'E PAN EL
01 A-A 1 board
Service panel.
I
Ir:-V2l
OIA-Al
01A-A2
NORMAL
V2
.
,
24V-o->0-AIB07-X3B07-B05
(YM)
.
(VA)
CE MODE 0
I.
I
UIO-llDl1-(-CE MODE)-ClB06-B~
Kl,13- Gf 3
2
- lead at 01 A-A 1V2D08
+ lead at 01 A-A 1X3B07 .
Set PCC CB 1 and CB2 off.
Exchange 01 A-A 1 board.
Go to step 57.
Set PCC CB 1 and CB2 off.
Exchange service panel.
Go to step 57.
Ensure PCC CB 1 and CB2 are off.
Reinstall and check all cables and cards
for proper seating in the following ares:
I
.,
OIA-AI
I
U2
J05
II
~2
(YM)
G05-KIEII-BIC06-D07
"I
I
PSI01
(YG)
E]
AIB13-X3B13----V1A06--J/P03-2-RTN
I/O Power Hold I I
I
I
K5
0->0
AIB12-X3B12
UIE06-J/P03-3,-----i
o Normal
L
4381
B/M 2676380
I~~g
BA235
I
I
I ~N
6169112 1.1 ECA20558 .\
,60f6
. ~,~O~1_0~ct_B~4~~,__________~__~__~~__~____~__~____~
PR 466
CI Copyright IBM Corp. 1984
Ie)
0 0 0 00000000000 0000000000
o
0 0,0·0 0 00 0
IMi·· ..·"•• "
' .... ,
h'_'I""
1"'''''w«tileW!Y:d!HU d!:lffh
•
000000000000000 0000000000 000000000
PR 471
Copy SP Storage Data
Pressing Copy SP Storage Data causes 128K of service processor storage to be dumped to the FUNC2 diskette and a dump
complete message displayed on the console.
Step
1
Conditions
Is operation correct?
2
Go to Instructions column.
..
.. .. . .. .YH
.. .. .. .. .
Instructions
Go to paae PR 901.
Measure for +5 Vdc at the following points:
.. .. .. .. .. .. .. .. .. .. .. e
..... y~ ...• •••.• Y~ •••• ••••• Y~ •• o,.
.. .. . .. .. .. . .. .. . .. .. .. ................... "
........................
- lead at 01 A-A2E2008
+ lead at 01 A-A2FBOO4.
3
Is voltage greater than +3.5
Vdc1
4
Go to Instructions column.
X
Is voltage Jess than +3.5
Vdc?
6
Go to Instructions column.
7
Go to Instructions column.
W
V
U
T
S
R
a
YC
YB
..... '! f'-. ••••
.. .. .. . . .. .. .. .. .. . .. .. .. .. .. . .. .
. . . .. .. YE
. . .. . .. . . .. ... . .. YO
. . .. .. .. . .. . .. .. .. .. .. .. .. . . .. .. .. . . .. .. .. ...................... .. . .. . .. .. . .. .. .. .. . .. " ....................
•••. •Y!"•••.• • •, ••'!I!t1••• , • • •••• Y!-••••• •••• ,Yt<•••••
'!~, ""
. ......................
... .. .. .. .. .. .. .. .. .. .. . .................... ...................... ........................ "'"
................ II: . . . . .
.
'
p
N
M
L
K
J
H
. G,
F
E
0
C
B
A
06
07
08
11
13
02
Press COpy SP Storaae Data.
1. Set PCC CB 1 and CB2 off.
2. Exchange service panel.
3. Go to step 7.
Measure for +5 Vdc at the following points:
.. . ..ZH
. .... ....
- lead at 01A-A2E2D08
+ lead at 01A-A2G4B09.
5
.
.. . . . ..YF;
.. .. . . . ..
.. .. . .. .. .. .. .. . . .. ..
.. .. .. . .. YG
.. .. .. .. .. .. .
.. . .. .. .. .. .. .. .. . .. ..
ZB
... ..ZO
.. .. ... ... .. ....ZC
. .. . ..... ...............
.
...........
..
ZF
. . ... ... ... ZG
.. .. .. ..... . .. .. .. . .. .. .. . .. .
.. . . ZE
.. .. ... . .
.. .... .
ZA
13
,., ...... " . 02
03
L'_'_'_"_'_"_'_"_'__'_'_"_'_"_'_'_"_'__'_'_"_'_"_'-'-"-'--'-'-"-'-"-'-"-'-'--'-"-'-"-'-"-'-'-'--'-"-'-''-'-'-"-'~'--'-"-'-"-'-'-"-'-'--'-"-'-"-'-'-"-'~' ~
Press COpy SP Storaae Data.
1. Set PCC Cal and CB2 off.
2. Exchange 01A-A2G4 card.
3. Go to step 7.
1. Set pec CB 1 and CB2 off.
2. Exchange 01A-A2 board.
3. Go to step 7.
1. Ensure PCC Ca1 and CB2 are off.
2. Reinstall and check all cables and cards
for proper seating in the following areas:
PIN SiDE
F6D04
01 A-A2 board
Service panel.
3.
4.
Set pce CB 1 and CB2 on.
Go to oaoe PR 901.
AMD
107
PS
111
SERVICE PANEL
COpy
SP Storage Data
r--0----> 0
I
0--
tJ
'----
(ZC)
B2B02-F6D04,
gnd!~
OlA-A2
B09 G4
<
I
PS
105 PS
106
PCC
T
+5 Vdc
Front View
(If Present)
Left Side View
4381
B/M 2676380
I~~g
CI Copyright IBM Corp. 1984
BA240
PR 471
!~
00000000000000000000000000000000001
000000000000000 0000000000
oooOoof)oo
Miscellaneous Indicator Failures
PR 481
You are here because a service panel or OCP indicator is on when it should not be Qr off when it should be on.
Possible causes:
SERVICE PANEL
+5V-o->0
Lamp Test o--AIDD9----~
+24V-o->0
I
CE Mode
o--AIB07
• olA-A lV2 card
•
01A-A lU2 card
•
01A-A2D2 card
•
Service panel
•
I
OCP (Display and Keyboard)
01 A-A 1B2 (CTCA) card
I
01A-A 1C2 (CTCA) card
•
01A-A2U2 (system or wait) card
•
01A-A2T2 (system or wait) card.
1
2
Conditions
Go to Instruction column.
Do you have a problem with
the Basic Check indicator?
1.
I
r------,JIEII-G09
I
I
.-----LIC13-Gll
I
I
---llAI3-GI0
I
I
KIE13--G12
I
I
If indicators still fail. use
isolate the failure.
PN 6169114
II
dia~am
OlA-A2
I
i
ClB06
UIO--LID11~
I
I
-<-
~
D2
CE Model-· B08
SERVICE PANEL
B19-X3y13----AlyI3-I/O Power Hold,
S09-X3D06
--s13-x3boS
AID06-MBC On
•
+SV
AlbOS-Basic Check -!-A2D02
I
I A2D03
AID02--Power In Process-. A2D04
I
I A2DOS
Alfo4-power Complete---'
J
I
I
Sll-X3D02
I
I
rS12--X3D04
I
L
-
I
-
•
•~
24V
I
OCP
01F
I
U12-X5BIO-J/P01-S-J/P03-9--J/P02-5-Power Complete--·
UI1--XSB09-J/POI-7-J/P03-7--J/P02-7-Power In Process-.
I
U13-X5BI3-J/POl-4-J/P03-10-J/P02-4-Basic Check
KlfI3- Gll...3_ _ _ _ _...11
I
I'
,
01A-A2
II to
D2
B13-(- Basi c Check)---AIE06
I
I
AIC06
I
I
Gll-(- Power Complete)--CIA08----'
I
I
G12-(- Power In ProcQss)-B1D08--------'
I
I
J12-(- power off to MBC)-BIC08----------I
I
J07-(- PCA Ready)
Isolate to one of the followingFRUs:
01A-A1V2 card
01A-A2D2 carc;l
Service panel
OCP (Display and Keyboard).
a..;S;;;.;8;.;lg......:.8A_2;;;;.4.;.;5~....&._..;..1..-o_f2
_______-'__
o Copyright IBM Carp. 1984
1
•
2.
MI
If indicators still fail. use diagram
isolate the failure.
Go to step 9.
Test
r--
Kl,11- G 5
Service Panel
Power In Process'
Power Complete
Basic Check
MBCOn
I/O Power Hold.
OCP
Power In Process
Power Complete
Basic Check
Chan-Chan Disabled.
Go to page PR 001.
1. Isolate to one of the following FRUs:
01A-A 1V2 card
01A-A2D2 card
Service panel.
3.
I
I
I
m
Instructions
1. MSS or PU power must be on.
2. Set I/O Power Hold to Normal.
3. Press Lamp Test on the service panel.
4. The following indicators should be on:
Does lamp test fail?
Do you have a problem with
the Power In Process or
Power Complete indicators?
4381-3
B/M 2676380
:~A-Al
- - - - .X3B07-BOS~.. !
2.
4
,
X3Y09-G14
.
3
,
XSD09--B09
•
SteD
I
OCP
I olF I
0<--0--24 V
J/PO 1-1 0--J/P03-4--J/P02-1 0--0 Lamp
II to
DIO--(- set/reset)
(30 second timer)
BIB08----------~
~--~
,I
EC A20558I' EC A20562
01 Oct 84 _ 30 Aug 85 _
I
PR 481
PR 482
Step
5
Instructions
1. Isolate to one of the following FRUs:
01 A-A 1B2 card
01A-A 1C2 card
01A-A1U2 card
OCP (Display and Keyboard).
Conditions
Do you have a problem with
the Chan-Chan Disabled
indicator?
2.
3.
6
Do you have a problem with
the System or Wait
indicators?
1.
lfindicators still fail. use diagramm'to"
isolate the failure.,
~,
('}t..
": ~ '.. >::'
Go to step 9.
Isolate to·oneot the following FRUs:
01 A-A2U2card
01 A-A2T2card
OCP (Display and Keyboa(dl.
Ifindicators still fail. use diatirarrfB to •
isolate the failure.
.
3. Go to step 9.
Go to page PR 001.
2.
7
8
9
Do you have a problem with
the MBC On indicator?
Do you have a problem with
the I/O Power Hold indicator?
Go to Instructions column.
OlA-Al
,, I
X5,D06~--
I
X5DOS
1.
2.
•
3.
4.
5.
I
,
Ensure PCCCB 1 andCB2 are off.
Reinstall and checkallcables and cards
for proper seating in the following areas:
01 A-A 1 board
01A-A2board
Service panel
01F,
OCP (Display and Keyboard).
Reset any tripped CPs.
Set PCC CB 1 and CB2 on.
Go to page PR 901 ~
I
I .I
'-51
.
I
.
2
.
J02
C2
e-GOS
I
I
U2
D04
'
'
I B2 1
~~~
I
.,
.--GOS'
"
I
.
ocp
•
+24V---,
Chan-Chan,
I
J/POI-22-J/P03-17-J/P02-22-Disabled
Go to pagePR 001 .
.
LI
Iv2l
XSD09-'.'-B~
'I
OlF
I
.
I· I
'.
.
---.-0
t
rpOl-r-Jf03-16-J/P02-23-.-.~:!:
0<--0
nd
"---J/POI-24-J/P03-15-J/P02-24--0 Channel To Channel
I
I
I
L-O..--,---J/PO
1-1, O-J/PO 3-4-J/P02-1 O--Lamp T e s t - - - - - - -ooJ
,
I·
I
O1A,.,.A2
I
I
01A-Al
- ~~~~C~~d,~~!t~~~ Run-,
(YG)
U2
T2
(YB) , (YN)
.
l'-wICOS-MOS Jl1--S0S· UOS-EIC06-' HIEII--XSB12---w
L..-.---WID06-,M04 J05-.-504 U07-EIC08-HIE13--.X5Bll
U06
OlA-B2
TlE06-G~~. I
I
I
I
Wa,it lndicator--.J
STID08-G~
L '
(YB)
(YH)
- IPU/Channel Meter Run
Dl,08-,MI?13-.-X5 9
OIA-B1
I
,.
I
I
r
I
r---------------------------Lamp
07]
"
Test----------------------~----------------------~
~------------------------.System---------------------------------------~----~--~
~-------------------Wait----------------------------------------------------~
L
OCP
lamp
· I
+24V----,
Test
IJ/POl-13-J/P03-1-J/P02-13-Walt
OIF
I.-0
O<--Ol
,J/P01-14-J/P03-5-J/P02-14-5ystem ... ' .
'--.........-J/POl-l1-,J/P03-3-J/P02-11-.--------------'
-'
'
4381-3
I MI
I ~N 6169114 II EC A20558 '1 EC A20562, 1
81M 2676380, ....S
...8-=9.....,;:;;8A_.._2...
45
__. .......-.;;;2;",;,o_.f...;;;2__~
. ~.......... '. 01 Oct 84 '. 30 Aug 85 .
e Copyright IBM Corp.
PR 482
1984
OO()OOOOOOOOOOOO 0 0 0 0 0 0 0 0 0 0 0, : 00
"II"'"
o
00
0, 00
.,. ",v
000000000000000
o
O. 0 0 0 0 0 0 0 0
000000000
PR901
Power Repair Verification And Exit Procedure
•
Ensure that all CPs and CBs are set on.
•
Ensure that all modules, cards, or cables in the area of any FRUs exchanged, swapped, or disconnected are reinstalled.
Step
Conditions
1
Go to Instructions column.
.
Instructions
1.
Set service panel Power Off switch to
2.
3.
Set the CE Mode switch to Normal.
Power Off and then back to Normal.
4.
Ensure I/O Power Hold switch is set to
Normal.
Ensure FUNC 1 diskette is in diskette drive
5.
Ensure FUNC2 diskette is in diskette drive
6.
Press OCP Power On, and ent~r the time
and date when requested.
Wait for the ILO to seouence on.
Invoke your support structure.
Go to page PR 1001.
1.
2.
2
3
4
5
Do you have a Ref Code (UU
RRRR IS) with UU equal to
lX?
Do you have a two-digit
power code?
Do you have a Ref Code (UU
RRRR IS) with UU equal to
F6?
Is power complete?
7.
1.
2.
2.
1.
2.
3.
4.
5.
1.
2.
4381
B/M 2676380
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PS
Invoke your support structure.
Go to page PR 001.
Invoke your support structure.
Go to page MSS 036.
Perform the following proceSSing unit
checkout:
2.
Go to Instructions column.
107
111
1.
1.
6
AMO
Select the PU Diagnostic Selection (OG)
screen. If the screen fails to display, go to
step 5.
Select option I
(PU isolation diagnostics).
If an error message is displayed, verify
that cables, cards, and modules are
reinstalled and seated correctly before
following the displayed instructions.
If board 01 A-A3 or 01 B-A 1 was
exchanged, run the "Channel Wrap Test"
in Volume A07, Diagnostics.
Go topajle END 001.
Invoke your support structure.
Go to page START 001.
PS
105 PS
106
PCC
Front View
Left Side View
BB005
PR 901
I,
1
ci
1
~
1
1
1
I
i
I'
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0·00 0 O· 0 0·0·0 0 0 0 0 0 0 0 0 0 0 ·0 0 0 0
0
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