T_TSG601 T TSG601
User Manual: T_TSG601
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Service Manual
TSG 601
Serial Digital Generator
070-8911-02
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to the Safety Summary prior to
performing service
Copyright Tektronix, Inc., 1994. All rights reserved. Printed in U.S.A.
Tektronix products are covered by U.S. and foreign patents, issued and
pending.
Information in this publication supersedes that in all previously published
material. Specifications and price change privileges reserved. The following are registered trademarks: TEKTRONIX and TEK.
For further information, contact: Tektronix, Inc., Corporate Offices, P.O.
Box 1000, Wilsonville OR 97070–1000, USA. Phone: (503) 627–7111;
TLX: 192825; TWX: (910) 467–8708; Cable: TEKWSGT.
Warranty
Tektronix warrants that the TSG 601 Serial Digital Generator will be free from
defects in materials and workmanship for a period of one (1) year from the date
of shipment. If this product proves defective during the warranty period, Tektronix, at its option either will repair the defective product without charge for parts
and labor, or will provide a replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of
the defect before expiration of the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for packaging and shipping the defective product to the service center designated by
Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the
product to Customer if the shipment is to a location within the country in which
the Tektronix service center is located. Customer shall be responsible for paying
all shipping charges, duties, taxes, and any other charges for products returned to
any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. Tektronix shall not be
obligated to furnish service under this warranty a) to repair damage resulting
from attempts by personnel other than Tektronix representatives to install, repair
or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction
caused by the use of non-Tektronix supplies; or d) to service a product that has
been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product.
This warranty is given by Tektronix with respect to this product in lieu of
any other warranties, express or implied. Tektronix and its vendors disclaim
any implied warranties of merchantability or fitness for a particular purpose. Tektronix’ responsibility to repair or replace defective products is the
sole and exclusive remedy provided to the customer for breach of this warranty. Tektronix and its vendors will not be liable for any indirect, special,
incidental, or consequential damages irrespective of whether Tektronix or
the vendor has advance notice of the possibility of such damages.
TSG 601 Service Manual
iii
iv
TSG 601 Service Manual
DECLARATION OF CONFORMITY
We
Tektronix, Inc.
Television Products Division
P.O. Box 500
Beaverton, Oregon U.S.A.
declare under our sole responsibility that the
TSG 601 Serial Digital Generator
to which this declaration relates is in conformity with the following standards:
EN50081-1, Generic Emission Standard
EN50082-1, Generic Immunity Standard
EN60555-2, Power Line Harmonics Standard
following the provisions of the Directive(s) of the Council of the European Union:
EMC Directive 89/366/EEC.
TSG 601 Service Manual
v
vi
TSG 601 Service Manual
Contents
TSG 601 Service Manual
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
viii
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ix
General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xi
Service Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xiii
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Standard Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EMI Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specification Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Waveform Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1–1
1–1
1–1
1–2
1–2
1–2
1–3
1–12
Operating Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Powering the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keypad and Display Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using your TSG 601 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outputting Serial Video Test Signals . . . . . . . . . . . . . . . . . . . . .
Adjusting the Output Amplitude . . . . . . . . . . . . . . . . . . . . . . . . .
Controlling the Video Component (Y, Cr, Cb) Channels . . . . . .
Specifying 8- or 10-bit Data Words . . . . . . . . . . . . . . . . . . . . . .
Specifying CRC Content of the Signal . . . . . . . . . . . . . . . . . . . .
Inserting ID Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Editing ID Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Positioning ID Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting up an ID Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable Simulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Detecting Incorrect Termination . . . . . . . . . . . . . . . . . . . . . . . . .
Saving (Storing) Presets and IDs . . . . . . . . . . . . . . . . . . . . . . . .
Recalling Presets and IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2–1
2–1
2–2
2–3
2–4
2–5
2–5
2–6
2–6
2–7
2–7
2–7
2–8
2–9
2–9
2–9
2–10
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Diagram Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RS-232 Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Startup Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Serializer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Return-Loss Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3–1
3–1
3–1
3–4
3–4
3–4
3–5
3–6
3–6
3–6
3–6
3–7
3–7
vii
Contents
50 m Cable Simulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3–7
Performance Verification and Adjustment Procedures . . . . . . . . . . .
Required Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Verification Checklist . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Verification Procedures . . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–1
4–1
4–2
4–2
4–2
4–3
4–6
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The BATTERY LOW Message . . . . . . . . . . . . . . . . . . . . . . . . .
Low Battery Shut Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Static-Sensitive Components . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Foldout Pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Board Illustrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Diagnostic Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Corrective Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Obtaining Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back Cover Removal/Replacement . . . . . . . . . . . . . . . . . . . . . .
Connector Panel Removal/Replacement . . . . . . . . . . . . . . . . . . .
Main Board and LCD Removal/Replacement . . . . . . . . . . . . . .
Keypad Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keypad Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5–1
5–1
5–1
5–1
5–2
5–2
5–2
5–3
5–3
5–3
5–4
5–4
5–4
5–4
5–6
5–6
5–7
5–7
5–7
5–7
5–8
5–8
5–8
Replaceable Electrical Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–1
Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7–1
Replaceable Mechanical Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8–1
Figure 1–1: Analog/Digital Line Timing, 625/50 Systems . . . . . . . .
Figure 1–2: Analog/Digital Line Timing, 525/60 Systems . . . . . . . .
Figure 1–3: Analog/Digital Field Timing, 625-line Systems . . . . . .
Figure 1–4: Analog/Digital Field Timing, 525-line Systems . . . . . .
Figure 1–5: 75% Color Bars, Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–6: 75% Color Bars, B–Y . . . . . . . . . . . . . . . . . . . . . . . . . .
1–5
1–5
1–6
1–7
1–12
1–13
List of Figures
viii
TSG 601 Service Manual
Contents
Figure 1–7: 75% Color Bars, R–Y . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–8: 100% Color Bars, Y . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–9: 100% Color Bars, B–Y . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–10: 100% Color Bars, R–Y . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–11: Pluge 1, Y only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–12: 625 Line Pluge 2, Y Channel Only . . . . . . . . . . . . . . .
Figure 1–13: 525 Line Pluge 2, Y Only . . . . . . . . . . . . . . . . . . . . . .
Figure 1–14: 5-Step Staircase and Modulated 5-Step, Y . . . . . . . . .
Figure 1–15: 5-Step Staircase, B–Y and R–Y . . . . . . . . . . . . . . . . . .
Figure 1–16: 625 Line Modulated 5-Step, B–Y and R–Y . . . . . . . .
Figure 1–17: 525 Line Modulated 5-Step, B–Y and R–Y . . . . . . . .
Figure 1–18: Limit Ramp, Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–19: Limit Ramp, B–Y and R–Y . . . . . . . . . . . . . . . . . . . . .
Figure 1–20: Shallow Ramp, Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–21: Shallow Ramp, B–Y and R–Y . . . . . . . . . . . . . . . . . . .
Figure 1–22: 625 Line Mod Pulse and Bar, Y . . . . . . . . . . . . . . . . . .
Figure 1–23: 625 Line Mod Pulse and Bar, B–Y . . . . . . . . . . . . . . .
Figure 1–24: 625 Line Mod Pulse and Bar, R–Y . . . . . . . . . . . . . . .
Figure 1–25: 525 Line Mod Pulse and Bar, Y . . . . . . . . . . . . . . . . . .
Figure 1–26: 525 Line Mod Pulse and Bar, B–Y . . . . . . . . . . . . . . .
Figure 1–27: 525 Line Mod Pulse and Bar, R–Y . . . . . . . . . . . . . . .
Figure 1–28: 60% Line Sweep with Markers, Y . . . . . . . . . . . . . . . .
Figure 1–29: 60% Line Sweep with Markers, B–Y and R–Y . . . . . .
Figure 1–30: 500 kHz Bowtie (reduced amplitude), Y . . . . . . . . . . .
Figure 1–31: 500 kHz Bowtie (reduced amplitude), B–Y and R–Y .
Figure 1–32: Bowtie Markers, Y Channel Only . . . . . . . . . . . . . . . .
Figure 1–33: Convergence, Vertical Lines; Y Channel Only . . . . . .
Figure 1–34: Convergence, Horizontal Lines; Y Only . . . . . . . . . . .
Figure 1–35: Active Picture Markers, Vertical Limits, Y Channel . .
Figure 1–36: Active Picture Markers, Horizontal Limits . . . . . . . . .
Figure 1–37: The Significance of the Active Picture Markers . . . . .
Figure 3–1: Block Diagram of the TSG 601 . . . . . . . . . . . . . . . . . . .
1–13
1–14
1–14
1–15
1–15
1–16
1–16
1–17
1–17
1–18
1–18
1–19
1–19
1–20
1–20
1–21
1–21
1–21
1–22
1–22
1–22
1–23
1–23
1–24
1–24
1–25
1–25
1–26
1–26
1–27
1–27
3–3
Table 1–1: Encoding Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–2: Timing Relationships . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–3: Test Signal Characteristics . . . . . . . . . . . . . . . . . . . . . . .
1–3
1–4
1–7
List of Tables
TSG 601 Service Manual
ix
Contents
Table 1–4: Serial Digital Video Output . . . . . . . . . . . . . . . . . . . . . .
Table 1–5: Cable Simulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–6: Character Identification . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–7: Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–8: Physical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–9: Environmental Characteristics . . . . . . . . . . . . . . . . . . . .
Table 1–10: 75% and 100% Color Bars Timing . . . . . . . . . . . . . . . .
Table 1–11: Pluge Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–12: 5-Step Staircase and Modulated 5-Step Timing . . . . . .
Table 1–13: Active Picture Markers Timing . . . . . . . . . . . . . . . . . . .
Table 3–1: Circuit Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–2: Low Battery Voltage Thresholds . . . . . . . . . . . . . . . . . .
Table 4–1: Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . .
x
1–10
1–10
1–11
1–11
1–11
1–12
1–13
1–16
1–17
1–27
3–2
3–4
4–1
TSG 601 Service Manual
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it.
Only qualified personnel should perform service procedures.
Safety Terms and Symbols
Terms in This Manual
These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result
in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms on the Product
These terms may appear on the product:
Danger indicates an injury hazard immediately accessible as you read the
marking.
Warning indicates an injury hazard not immediately accessible as you read the
marking.
Caution indicates a hazard to property including the product.
TSG 601 Service Manual
xi
General Safety Summary
Symbols on the Product
The following symbols may appear on the product:
ATTENTION
Refer to Manual
Double
Insulated
To Avoid Fire or Shock Hazards:
Use the Proper AC
Adapter
Use only the specified AC adapter provided with this product to connect it to the
mains (local AC) supply.
Use an Appropriate
Power Source
Do not operate this product from any power source that applies more than the
specified voltage.
Observe These Battery
Precautions
For information on replacing and recharging batteries specific to this product,
refer to the detailed instructions provided in this manual.
Replace Batteries Properly
Before replacing batteries, turn the instrument off and disconnect the AC adapter.
Use only the size and type of batteries specified for this product. Be sure to
install the batteries in the proper polarity. Use care not to short battery terminals
together when replacing batteries.
When replacing alkaline batteries, all batteries should be replaced at the same
time.
Recharge Batteries Properly
Do not attempt to recharge alkaline batteries.
Recharge NiCad batteries only in accordance with the instructions provided in
this manual. Do not continue recharging for longer periods than recommended in
the instructions.
Replace the NiCad battery pack if the batteries do not recharge within the recommended time, or if the operating time from a full charge seems significantly
shortened.
NOTE. Always discard batteries in accordance with all local regulations.
xii
TSG 601 Service Manual
Service Safety Summary
Battery Recycling
This product contains a Nickel Cadmium (NiCd) battery, which must be recycled
or disposed of properly. For the location of a local battery recycler in the U.S. or
Canada, please contact:
RBRC
Rechargeable Battery Recycling Corp.
P.O. Box 141870
Gainesville, Florida 32614
Observe All Ratings
(800) BATTERY
(800) 227-7379
www.rbrc.com
Observe and follow all ratings and markings on the product. Consult the product
manual(s) for further ratings information before making any connections to the
product.
This product is intended to be connected to electrical devices with their common
at ground potential. Do not connect to elevated or floating common voltages.
Use in a Suitable
Environment
Do not operate this product in wet/damp conditions or locations.
This product is not designed for use in an explosive atmosphere.
Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Use the Proper Fuse
Use only the type and rating fuse specified for this product.
TSG 601 Service Manual
xiii
xiv
TSG 601 Service Manual
Specifications
Specifications
Introduction
The material in this section is organized into two main groupings: the specification tables and the supporting figures. The specification tables include:
H
General signal characteristics and specifications.
H
Signal level specifications.
H
Power supply, physical, and environmental specifications.
The supporting figures (waveform diagrams and related data) follow the specification tables.
Reference Documentation
The following documents were used as references in the preparation of this
section:
Product Classification Environmental Test Summary, 13 June 1977; Tektronix Standard 062-2853-00
Electromagnetic Compatibility Environmental Test, 31 March 1977; Tektronix Standard 062-2866-00
Recommendations and reports of the CCIR, 1978; Transmission of Sound
Broadcasting and Television Signals Over Long Distances (CMTT)
IEEE Standard Dictionary of Electrical Terms, Second Edition (1977); IEEE
Standard 100-1977
Safety Standard for Electrical and Electronic Test, Measuring Controlling
and Related Equipment, February 1988; ANSI/ISA-S82.01
International Electrotechnical Commission Standard “Safety Requirements
for Electronic Measuring Apparatus”; IEC 348
Canadian Standards Association Electrical Standard for Electrical and Electronic Measuring and Testing Equipment; CAN/CSA C22.2 No. 231
Standard for Electrical and Electronic Measuring and Testing Equipment,
Second Edition, July 21, 1980
TSG 601 Service Manual
1–1
Specifications
Performance Conditions
The Performance Requirements are valid if the instrument has been adjusted at
approximately 25° C, is being operated within environmental limits (see Table
1–9), and has had a minimum warm-up of 20 minutes.
Safety Standard Compliance
The following safety standards apply to the TSG 601:
H
ANSI S82 — Safety Standard for Electrical and Electronic Test, Measuring,
Controlling, and Related Equipment, 1988.
H
CAN/CSA C22.2 No. 231 M89 — CSA Safety Requirements for Electrical
and Electronic Measuring and Test Equipment.
H
IEC1010-1 — Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use (1990).
H
UL1244 — Standard for Electrical and Electronic Measuring and Testing
Equipment, Second Edition (1980).
EMI Compliance
The following electromagnetic interference (EMI) standards apply to the
TSG 601:
H
47 CFR, Chapter 1 (FCC Rules), Part 15, Class A
H
EN 50 081-1 Generic Emission Standard. Part 1: Residential, commercial
and light industry.
H
EN 50 082-1 Generic Immunity Standard. Part 1: Residential, commercial
and light industry.
NOTE. Shielded cables were used in the certification of this instrument;
therefore, shielded cables are recommended to be used when operating. (EC 92)
1–2
TSG 601 Service Manual
Specifications
Specification Tables
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Table 1–1: Encoding Parameters
Characteristic
Performance Requirements
Supplemental Information
Standards Conformance
Coded Signals
Samples Per Complete Line
CCIR rec 601
Y, B–Y, and R–Y
525/60 625/50
Luminance (Y)
Color Difference (B–Y & R–Y)
Sampling Structure
858
864
429
432
Orthogonal, line, field, and picture repetitive.
R–Y and B–Y samples co-sited with odd (1st,
3rd, 5th, etc.) Y samples in each line.
Sampling Frequency
Luminance (Y)
B–Y and R–Y
Form of Coding
13.5 MHz
6.75 MHz
Uniformly quantized PCM, 10 bits per sample,
for the luminance signal and each color difference signal.
Samples Per Digital Active Line
Luminance (Y)
B–Y and R–Y
Correspondence Between Video Signal
Levels and Quantization Levels
Luminance (Y)
B–Y and R–Y
TSG 601 Service Manual
720
360
877 quantization levels with the black level
(0 mV) corresponding to level 64 and the peak
white level (700 mV) corresponding to level 940.
897 quantization levels in the center of the quantization scale (corresponding to ± 350 mV) with
zero signal (0 mV) corresponding to level 512.
1–3
Specifications
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Table 1–2: Timing Relationships
Characteristics
Supplemental Information
Standards Conformance
Line Timing
ANSI/SMPTE 125M, CCIR Rec 656, and EBU Tech 3267–E
625/50
525/60
Field Timing
See Figure 1–1
See Figure 1–2
625/50
525/60
Timing Reference Signal
EAV / SAV
(* are protection bits)
See Figure 1–3
See Figure 1–4
Protection Bit States
1–4
Bit
9
8
1001
100F
Preamble Signal
Fixed
F= 1 during field 2 (change state when H = 1 in EAV).
F = 0 during field 1.
V = 1 during vertical blanking (change state when H = 1 in EAV).
V = 0 during active video.
H = 1 at start of horizontal blanking. H = 1 EAV.
H = 0 SAV.
7
100V
6
100H
5*
4*
3*
2*
1*
0*
1
1 0 0 P3
1 0 0 P2 Hamming Code 6:3
1 0 0 P1 Even parity bits 1 – 6
1 0 0 P0
0000
0000
F
V
H
P3
P2
P1
P0
9
1
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
0
1
1
0
0
0
1
1
0
1
1
1
0
0
1
1
1
0
0
0
0
1
1
0
1
1
0
1
0
0
0
1
1
1
1
0
1
0
0
0
0
1
1
1
1
0
1
1
0
1
1
0
1
1
0
0
0
0
0
0
0
1
1
1
1
0
0
0
1
0
0
TSG 601 Service Manual
Specifications
Figure 1–1: Analog/Digital Line Timing, 625/50 Systems
Figure 1–2: Analog/Digital Line Timing, 525/60 Systems
TSG 601 Service Manual
1–5
Specifications
Figure 1–3: Analog/Digital Field Timing, 625-line Systems
1–6
TSG 601 Service Manual
Specifications
Figure 1–4: Analog/Digital Field Timing, 525-line Systems
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Table 1–3: Test Signal Characteristics
Characteristic
Supplemental Information
75% Color Bars
100% Color Bars
Pluge (BBC 1)
See Figures 1–5, 1–6, and 1–7, and Table 1–10
See Figures 1–8, 1–9, and 1–10, and Table 1–10
See Figure 1–11 and Table 1–11
Field Timing, 625/50
700 mV
105 mV
Lines 83–166
Lines 167–250
Field Timing, 525/60
700 mV
105 mV
Lines 72–142
Lines 143–212
TSG 601 Service Manual
1–7
Specifications
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁ
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Table 1–3: Test Signal Characteristics (Cont.)
Characteristic
Supplemental Information
Pluge (BBC 2)
See Figures 1–12 and 1–13, and Table 1–11
Field Timing, 625/50
700 mV
450 mV
200 mV
110 mV
Lines 63–114
Lines 115–166
Lines 167–218
Lines 219–270
Field Timing, 525/60
700 mV
450 mV
200 mV
110 mV
5-Step Staircase
Lines 55–98
Lines 99–142
Lines 143–185
Lines 186–229
See Figures 1–14 and 1–15, and Table 1–12
Amplitude
Y Channel
B–Y, R–Y
Mod 5-Step
0 to 702.4 mV in 176-word steps
–351.6 to +351.6 mV in 180-word steps
See Figures 1–14, 1–16, and 1–17; and Table 1–12
Amplitude
Y Channel
525 B–Y, R–Y
625 B–Y
625 R–Y
Limit Ramp
0 to 702.4 mV in 176-word steps
–157.3 mV
83.7 mV
94.4 mV
See Figures 1–18 and 1–19
Shallow Ramp
In 8-bit, extends from word 01 to 254;
in 10-bit, extends from word 04 to 1016.
See Figures 1–20 and 1–21
Amplitude
80 mV
Pedestal (variable)
Y Channel
B–Y, R–Y
0 to 700 mV
–350 to +350 mV
Rise Times
Y Channel
B–Y, R–Y
200 ns
280 ns
Mod Pulse and Bar (625 lines/50 Hz)
1–8
See Figures 1–22, 1–23, and 1–24
4T Pulse HAD
10T Pulse HAD
400 ns
1000 ns (1.0 µs)
Pulse Amplitude
Y
B–Y
R–Y
350.0 mV
196.3 mV
248.1 mV
2T Pulse HAD
200 ns (Y channel only)
TSG 601 Service Manual
Specifications
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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Table 1–3: Test Signal Characteristics (Cont.)
Characteristic
Supplemental Information
Mod Pulse and Bar (525 lines/60 Hz)
See Figures 1–25, 1–26, and 1–27
12.5T Pulse HAD
1562.5 ns (in NTSC, encodes to 12.5T modulated pulse, ∅ = 60.7°)
Pulse Amplitude
Y Channel
B–Y
R–Y
350.0 mV
196.3 mV
248.1 mV
2T Pulse HAD
60% Line Sweep With Markers
200 ns (Y channel only)
See Figures 1–28 and 1–29
Amplitude
420 mV
Frequency Range
Y Channel
R–Y, B–Y
250 kHz–5.75 MHz
125 kHz–2.75 MHz
Marker Frequencies
Y Channel
R–Y, B–Y
500 kHz Bowtie (half amplitude)
Y Channel
R–Y, B–Y
Amplitude
Convergence
0.5, 1, 2, 3, 4, and 5 MHz
0.25, 0.5, 1, 1.5, 2, and 2.5 MHz
See Figures 1–30, 1–31, and 1–32
500 kHz sine wave
502 kHz sine wave
350 mV
See Figures 1–33 and 1–34
Amplitude
525 mV (75%)
Pattern
Crosshatch: 14 horiz./15 vert. lines
Pulse HAD
Equalizer SDI Checkfield
PLL SDI Checkfield
Matrix SDI Checkfield
Field Timing, 625/50
Equalizer
PLL
Field Timing, 525/60
Equalizer
PLL
Active Picture Markers
225 ± 25 ns
Per SMPTE RP 178
Per SMPTE RP 178
Per SMPTE RP 178
Lines 24 through 166
Lines 167 through 310
Lines 21 through 141
Lines 142 through 262
See Figures 1–35, 1–36, and 1–37, and Table 1–13
Field Timing, 625/50
Vertical Limits
Horizontal Limits
Lines 24 and 310
Lines 25 through 309
Field Timing, 525/60
Vertical Limits
Horizontal Limits
Lines 21 and 262
Lines 22 through 261
TSG 601 Service Manual
1–9
Specifications
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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ÁÁÁÁÁÁÁÁÁÁÁÁÁ
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Table 1–4: Serial Digital Video Output
Characteristic
Performance Requirements
3 BNCs, 75 Ω
1 component serial video
CCIR 601 Component 525/625, 8 or 10 bits
data, Scrambled NRZI; complies with SMPTE
259M and CCIR 656.
270 Mb/s
75 Ω
≥ 15 dB from 5 MHz to 270 MHz
instrument switched on
Connectors
Number of Outputs
Digital Format
Bit Rate
Source Impedance
Return Loss
Termination Detector
Triggers display symbol when return loss of
the signal path is ≤ 10 dB (approximates termination impedance of ≤ 37.5 Ω and ≥ 150 Ω)
Variable from 600 mV to 1000 mV in the following steps
Coarse: 100 mV on even 100 mV
increments
Fine:
20 mV increments
Signal Amplitude
Absolute Accuracy
@ 800 mV setting
Relative Accuracy
Coarse increments
Fine increments
DC Offset
Rise and Fall Times
Jitter
Error Detection Ancillary Data
Supplemental Information
800 ± 20 mV
100 ± 8 mV
20 ± 8 mV
0 ± 0.5 Volts
400–1000 ps
less than ± 360 ps
From last 100 mV setting
Performance Requirements
Supplemental Information
20% to 80% amplitude points
Over a period of one line.
Active picture CRC (0-AP-CRC, Tektronix proprietary) on lines 9 & 272 (525) or 5 & 318 (625).
EDH (SMPTE RP-165)
Table 1–5: Cable Simulator
Characteristic
–5.4 dB ± 0.5 dB at 135 MHz (Approximates a
50 meter length of Belden 8281 coax cable)
Length
Return Loss
1–10
≥ 20 dB from 5 MHz to 270 MHz
TSG 601 Service Manual
Specifications
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Table 1–6: Character Identification
Characteristic
Information
Number of Characters Displayed
Display Position
Character Amplitude
Two lines of up to 16 Characters per line.
Moveable over the Safe Action area of the field.
Black, 70 mV equivalent
White, 630 mV equivalent
Table 1–7: Power Supply
Characteristic
Performance Requirements
DC Input Range
Supply Accuracy
9 to 15 VDC
+5D
+5A
Hum
+5 V ± 250 mV
+5 V ± 250 mV
+5D
+5A
Noise
≤ 25 mV
≤ 25 mV
+5D
+5 A
Fuse
Power Limit
Without adapter
With adapter
Power Consumption
Back light off
Back light on
≤ 50 mV
≤ 20 mV
Supplemental Information
≤ 5 MHz Bandwidth
4 A fast blow, 32 V min
5.0 W
6.0 W
Typical:
4.0 W
4.5 W
Table 1–8: Physical Characteristics
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Characteristic
Information
Height
Width
Depth
Net Weight
TSG 601
TSG 601 with battery pack
Shipping Weight (with AC adapter)
5.6 cm (2.2 in)
9.1 cm (3.6 in)
19.1 cm (7.5 in)
TSG 601 Service Manual
0.48 kg (1.06 lb)
0.68 kg (1.5 lb)
1.50 kg (3.31 lb)
1–11
Specifications
Table 1–9: Environmental Characteristics
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Characteristic
Temperature
Operating
Storage
Altitude
Operating
Storage
Equipment Type
Equipment Class
Installation Category
Pollution Degree
Transportation
Information
0° C to +35° C (32 to +95° F)
–30° C to +65° C (–22 to +149° F)
to 15,000 feet (4572 m); IEC 1010-1 compliance to 2000 m
to 50,000 feet (15420 m)
Test
Class III (as defined in IEC 1010-1, Annex H)
Category II (as defined in IEC 1010-1, Annex J)
Note: Rated for indoor use only.
Pollution Degree 2 (as defined in IEC 1010-1)
Meets the requirements of NTSB Test Procedure 1A, category II (24 inch drop)
Waveform Diagrams
NOTE. The following diagrams represent the analog equivalents of the TSG 601
digital test signals. Horizontal axis units are microseconds after the start of Digital Active Video. Unless specified in the caption, each illustration represents
both 525 line/60 Hz and 625/50 Hz signals.
Figure 1–5: 75% Color Bars, Y
1–12
TSG 601 Service Manual
Specifications
Figure 1–6: 75% Color Bars, B–Y
Figure 1–7: 75% Color Bars, R–Y
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Table 1–10: 75% and 100% Color Bars Timing
625/50
525/60
A
0.74 µs
0.37
TSG 601 Service Manual
B
7.26
6.96
C
13.70
13.56
D
20.22
20.07
E
26.74
26.67
F
33.18
33.26
G
39.70
39.85
H
46.15
46.37
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Specifications
Figure 1–8: 100% Color Bars, Y
Figure 1–9: 100% Color Bars, B–Y
1–14
TSG 601 Service Manual
Specifications
Figure 1–10: 100% Color Bars, R–Y
Figure 1–11: Pluge 1, Y only
TSG 601 Service Manual
1–15
Specifications
Figure 1–12: 625 Line Pluge 2, Y Channel Only
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Table 1–11: Pluge Timing
625 & 525
A
21.57 µs
B
23.87
C
26.17
D
28.47
E
40.07
F
52.07
Figure 1–13: 525 Line Pluge 2, Y Only
1–16
TSG 601 Service Manual
Specifications
Figure 1–14: 5-Step Staircase and Modulated 5-Step, Y
Figure 1–15: 5-Step Staircase, B–Y and R–Y
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Table 1–12: 5-Step Staircase and Modulated 5-Step Timing
625 & 525
A
6.96 µs
TSG 601 Service Manual
B
13.48
C
20.07
D
26.59
E
33.18
F
39.70
G
46.30
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Specifications
Figure 1–16: 625 Line Modulated 5-Step, B–Y and R–Y
Figure 1–17: 525 Line Modulated 5-Step, B–Y and R–Y
1–18
TSG 601 Service Manual
Specifications
Figure 1–18: Limit Ramp, Y
Figure 1–19: Limit Ramp, B–Y and R–Y
TSG 601 Service Manual
1–19
Specifications
Figure 1–20: Shallow Ramp, Y
NOTE. You may set the shallow ramp pedestal to one of the ten levels shown. To do so, use the A and " keys
to select from levels 0 through 9 when the TSG 601 is in normal operation and the Shallow ramp is “active.”
Figure 1–21: Shallow Ramp, B–Y and R–Y
1–20
TSG 601 Service Manual
Specifications
Figure 1–22: 625 Line Mod Pulse and Bar, Y
Figure 1–23: 625 Line Mod Pulse and Bar, B–Y
Figure 1–24: 625 Line Mod Pulse and Bar, R–Y
TSG 601 Service Manual
1–21
Specifications
Figure 1–25: 525 Line Mod Pulse and Bar, Y
Figure 1–26: 525 Line Mod Pulse and Bar, B–Y
Figure 1–27: 525 Line Mod Pulse and Bar, R–Y
1–22
TSG 601 Service Manual
Specifications
Figure 1–28: 60% Line Sweep with Markers, Y
Figure 1–29: 60% Line Sweep with Markers, B–Y and R–Y
TSG 601 Service Manual
1–23
Specifications
Figure 1–30: 500 kHz Bowtie (reduced amplitude), Y
Figure 1–31: 500 kHz Bowtie (reduced amplitude), B–Y and R–Y
1–24
TSG 601 Service Manual
Specifications
Figure 1–32: Bowtie Markers, Y Channel Only
Figure 1–33: Convergence, Vertical Lines; Y Channel Only
TSG 601 Service Manual
1–25
Specifications
Figure 1–34: Convergence, Horizontal Lines; Y Only
Figure 1–35: Active Picture Markers, Vertical Limits, Y Channel Only
1–26
TSG 601 Service Manual
Specifications
Figure 1–36: Active Picture Markers, Horizontal Limits, All Channels
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Table 1–13: Active Picture Markers Timing
625/50: Y
625/50: B–Y and R–Y
525/60: Y
525/60: B–Y and R–Y
A
B
C
D
E
0.72 µs
—
0.16
—
52.72
—
53.02
—
1.04
1.04
0.29
0.29
52.44
52.44
52.89
52.89
53.26
53.18
53.26
53.18
Figure 1–37: The Significance of the Active Picture Markers
TSG 601 Service Manual
1–27
Specifications
1–28
TSG 601 Service Manual
Operating Information
Operating Information
This section duplicates material contained in the TSG 601 User manual (Tektronix p/n 070-8910-00). The material is included here for your convenience. Please
check the User manual whenever you need more information on any topic.
Powering the Instrument
The TSG 601 is DC powered. You may power it with the standard AC adapter,
the optional 9.6 V NiCad battery pack, eight standard AA batteries, or a “BP”
type battery pack with the correct voltage and polarity. The external DC power
connector is on the left side of the instrument (see the illustration above). Open
the battery compartment by sliding the compartment door in the direction of the
inscribed arrow until the door tabs line up with the slots in the case, then remove
the door. When selecting a power source for your TSG 601 please remember:
H
TSG 601 Service Manual
Attempting to use an improper AC adapter can damage the instrument. USE
AN APPROPRIATE DC POWER SOURCE ONLY: Voltage must be be-
2–1
Operating Information
tween 9 and 15 VDC; the center contact of the connector must be NEGATIVE polarity; and open-circuit voltage must not exceed 18 VDC. For best
results, use the adapter supplied with the instrument.
H
There is no need to remove the optional NiCad battery pack for recharging.
The TSG 601 will “trickle charge” the battery pack whenever the standard
AC adapter is used. It can take up to 16 hours to fully charge the battery
pack. Note that charging will occur only if the adapter supplies at least
12 V; make sure that the adapter you use is appropriate for the local AC
supply.
H
AA batteries are not included with the instrument; buy them locally.
Rechargeable AA batteries may be used, but they are NOT recharged
automatically. To recharge AA batteries, remove them from the instrument
and use an appropriate battery charger. For safety, read and follow the battery
charger instructions. Do NOT attempt to recharge standard alkaline batteries.
H
After a minute with no key press, the display back light will be dimmed to
conserve battery charge.
H
To guard against battery discharge if you forget to turn the TSG 601 off,
enable Auto Power Down through the Diagnostic menu (see page 5–4).
H
The TSG 601 can sense low battery voltage. It will warn you when the
charge is sufficient for approximately ten more minutes of operation. The
instrument will shut itself down when the battery voltage becomes too low
for reliable operation. See the Battery Hints in the Maintenance section of
this manual (page 5–1).
The ON key toggles instrument power On and Off.
Keypad and Display Conventions
Please see the Instruction card (p/n 070-8909-00) supplied with the TSG 601 for
a “tour” of the keypad and an explanation of the display symbols. For your convenience, the following panels are taken from the card.
2–2
TSG 601 Service Manual
Operating Information
Using your TSG 601
Here’s a list of what you can do with your TSG 601. Simple instructions for each
operation begin on the indicated page. For more information on any subject, see
the User manual.
H
TSG 601 Service Manual
Output serial video test signals (page 2–4).
h
Specify the peak-to-peak amplitude of the serial output, from 600 to
1000 mV (page 2–5).
h
Choose the video components (Y, Cr, Cb) to be included in the serial
output (page 2–5).
h
Specify 8- or 10-bit video sample words (page 2–6).
H
Embed CRC information (used for “Error Detection and Handling,” or EDH)
in the output to detect or simulate errors originating in the serial data path
(page 2–6).
H
Add an ID message to the video signal, and place it where you want in the
picture (page 2–7).
H
Store up to eight ID messages for later use (pages 2–7, 2–9).
2–3
Operating Information
H
Create a sequence of (up to four) stored ID messages that will cycle
continuously in the output (page 2–8).
H
Simulate the effect on your system of 50 m (164 ft.) of coaxial cable (page
2–9).
H
Detect improper termination of the serial video signal path (page 2–9).
H
Save all current instrument settings as a “Preset” for later recall (page 2–9).
Outputting Serial Video
Test Signals
1. Connect the Serial Video Output of the instrument to your system. Use 75 Ω
cable and be sure that the signal path is terminated properly.
2. Power the TSG 601 (page 2–1) and switch it on. By default, the instrument
will begin with most settings that were in effect when it was switched off.
Two exceptions: all video component channels will be ON (see page 2–5);
and the output amplitude will be 800 mV.
3. Select the appropriate serial video standard (625/50 or 525/60) through the
Diagnostic menu (pages 5–4, 5–6).
4. Return to normal operation by pressing the Test Signals key.
5. Select the desired test signal one of three ways:
2–4
h
Press the Test Signals key repeatedly until the name of the signal you
want appears on the display. The signal will be output as soon as the
name is visible. Or...
h
Use the Y and B keys to scroll through the list of signals until you get to
the desired signal. Or...
h
Press the appropriate letter key (A through P) to “Direct-Select” the
signal. The available signals and their corresponding keys are listed in
the following table.
TSG 601 Service Manual
Operating Information
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
Test Signal
Direct-Select Key
75% Color Bars
A
100% Color Bars
B
Pluge 1 (BBC 1)
C
Pluge 2 (BBC 2)
D
5-Step Staircase
E
Limit Ramp
F
Shallow Ramp
G
Modulated 5-Step
H
Modulated Pulse and Bar
I
60% Line Sweep with Markers
J
Bowtie
K
Convergence
L
Equalizer SDI Checkfield
M
PLL SDI Checkfield
N
Matrix SDI Checkfield
O
Active Picture Markers
P
Adjusting the Output
Amplitude
1. Press the key marked “Output Ampl.”
2. Select the desired output level with the arrow keys. The Y / B keys change
the level to the next higher or lower 100 mV increment; A / " keys change it
in 20 mV increments. Holding an arrow key down will continually increase
or decrease the level until it reaches its minimum or maximum.
3. Press any rectangular key to exit the Output Amplitude Adjust function.
Controlling the Video
Component (Y, Cr, Cb)
Channels
1. Enter the Output menu (press Shift, then Output Ampl.) and press ENTER to
reach “Channel Output Selection.” The display will look something like this:
TSG 601 Service Manual
2–5
Operating Information
2. Use the A and " keys to position the flashing underline cursor to the status
(ON or OFF) of the channel you wish to change.
3. Toggle the status with the Y or B key. The channel status will change
instantly—you don’t have to press ENTER.
NOTE. All three component channels default to ON whenever the TSG 601 is
switched off and back on, regardless of prior “Channel Output” settings.
Specifying 8- or 10-bit
Data Words
1. If necessary, enter the Output menu (press Shift, then Output Ampl.).
2. Scroll down to the “Video Data Word Length” item with the down arrow key
and press ENTER to reach the word length selection display.
3. Use the A or " key to toggle between 8 and 10 bits; press ENTER to confirm
the selection.
4. Press any rectangular key to exit the Output menu.
Specifying CRC Content
of the Signal
1. Enter the CRC menu (press Shift, then CRC On/Off). The display will resemble
the following illustration.
2. Use the A / " keys to select FFCRC (Full Field CRC) or APCRC (Active
Picture CRC). Notice that the up/down symbol on the second display line
will move to indicate the chosen type of CRC.
3. Use the Y / B keys to select the type of CRC to be encoded into the output.
The choices for the two types of CRCs are:
2–6
h
FFCRC — NORM or ERR (Error)
h
APCRC — NORM, ZERO, or ERR (Error)
TSG 601 Service Manual
Operating Information
See the User manual for an explanation of these options.
4. Once the desired CRC choices appear on the display, press ENTER to
accept/invoke the selections.
5. Press any rectangular key to exit the CRC menu.
6. Toggle the inclusion of CRC data or errors on and off by pressing the “CRC
On/Off” key. The CRC status will be reported on the second line of the
display, alternating with the ID status.
Inserting ID Messages
H
Toggle the ID message or cycle on and off with the “ID On/Off” key.
Editing ID Messages
1. Enter the ID menu (press Shift, then ID On/Off).
2. Press the B key once to reach the “Edit ID #X” menu item. Note that the ID#
first shown on the display always indicates the current (most recently
recalled) ID.
3. Use the horizontal arrow keys to display the number of the ID you want to
edit, then press ENTER.
4. Use the arrow keys to move the character cursor. Specify the character with
the letter keys; press Shift to select symbols and numbers. The “Sp” key will
enter a space, blacking out the underlying test pattern. The test pattern will
show through a “Blank” (Shift-SP).
5. When you have made all the desired changes, press ENTER to save them.
(Note: pressing any rectangular key will abort the edit and exit the ID menu.)
If the ID message you started with in step 3 was “on-screen” when you
began the edit, the new message will take its place. If not, and you wish to
insert the new message, press the Y key to reach the “Recall ID #X” menu
item, select the ID number with the horizontal arrow keys, and press ENTER.
6. As usual, press any rectangular key to exit the ID menu.
Positioning ID
Messages
TSG 601 Service Manual
NOTE. Only the position of the currently displayed ID may be changed. If you
wish to change the picture location of a message that is not displayed, you must
first recall it through the ID menu or the Recall menu.
2–7
Operating Information
1. Enter the ID menu (press Shift, then ID On/Off), if necessary.
2. With the Y and B keys, scroll to the “Position ID” menu item.
3. Press ENTER.
4. Use the arrow keys to move the message horizontally (H) and vertically (V)
in the picture.
5. When the ID occupies the desired position, press ENTER to save the new
location in memory and return to the ID menu. If you press any rectangular
key instead of ENTER, the ID will remain in its new position—but will revert
to the original location the next time it is recalled from memory.
6. As usual, press any rectangular key to exit the ID menu.
Setting up an ID Cycle
1. Edit and save the ID messages that you want to cycle (see “Editing ID
messages,” page 2–7). Note the numbers of the IDs, and the order in which
they should appear.
2. Scroll through the ID menu to reach the “ID Cycle Setup” item, then press
ENTER. The display will resemble the following illustration.
3. Use the A / " keys to move the underline cursor to one of the four sequence
“time intervals.” The IDs will appear in the order that their numbers appear
(from left to right) on the display.
4. Use the Y / B keys to select the number of the ID to appear during each
interval. Choose the hyphen (it’s below #1) to eliminate the interval. If you
want a blank interval (that is, a time gap between ID messages), you must
create an all-blank ID to put in that interval.
5. When the correct information is in all four time interval positions, press
ENTER to confirm the cycle setup. (Press any rectangular key to abort the
cycle edit.)
6. To set the duration of each cycle time interval, press the Y key to reach the
“ID Cycle time” menu item. Use the horizontal arrow keys to select the
duration between one and nine seconds. Press ENTER to confirm.
7. To replace the current ID with the ID cycle, scroll through the ID menu to
the “ID Cycle OFF” selection. Press a horizontal arrow key to change the
2–8
TSG 601 Service Manual
Operating Information
selection to “ID Cycle ON,” then press ENTER. The cycle will appear in the
picture if toggled on with the “ID On/Off” key.
Cable Simulation
H
To simulate the addition of 50 meters of 75 Ω coaxial cable anywhere in
your system, connect the TSG 601 into the signal path with the two BNCs
marked “APPROX 50M CABLE.” The connectors are interchangeable, and
the circuit will simulate 50 m of Belden 8281 cable—which attenuates the
signal by approximately 5.4 dB at 135 MHz—whether the TSG 601 is
switched on or off.
H
A special symbol will “flash” in the upper right corner of the TSG 601
display to indicate improper termination of the serial video signal path. The
symbol is displayed whenever the instrument detects return loss below
approximately 10 dB, which approximates termination impedance of less
than 37.5 or greater than 150
Detecting Incorrect
Termination
Saving (Storing) Presets
and IDs
1. Press Shift and then Recall. Note that the ID# first shown on the display
always indicates the current (most recently recalled) ID.
2. Scroll through the “STORE ID” (#1 through #8) and “STO PRESET” (#1
through #4) locations with the left/right arrow keys. The first line of any ID
message already stored in the # location will be shown in the bottom line of
the display; use the B key to see the second message line. Remember that
storing the current settings or ID will overwrite the contents of the Preset or
ID # location.
3. When the desired storage number is displayed, press ENTER to save the
current ID or instrument settings. If you have stored an ID, it will replace the
old # contents on the bottom display line.
4. Press any rectangular key to exit the Store function.
Note that IDs are normally saved—when they are edited—through the ID menu
(see “Editing ID messages,” page 2–7). You may use the Recall/Store button,
however, if you wish to copy the current ID to another memory location. Remember that the “current” ID is the last message recalled through the ID menu or
Recall; the ID will be copied (and the previous contents of the ID# location overwritten) even when no message appears in the TSG 601 output (ID=Off).
TSG 601 Service Manual
2–9
Operating Information
A preset includes all of the instrument settings in effect when the preset is saved,
including the current output format, test signal, ID#, and cycle setup. Note that
ID messages themselves are not stored. Thus, if a Preset “remembers” to display
ID#4 (for example), the latest message in ID#4 will appear whenever that Preset
is recalled. Remember, editing an ID message can have an affect on what you get
when you recall a preset.
Recalling Presets and
IDs
1. Press the Recall key. Note that the ID# first shown on the display always
indicates the current (most recently recalled) ID.
2. Scroll through the “RECALL ID” (#1 through #8) and “RCL PRESET” (#1
through #4) locations with the A / " keys. The first line of an ID message
will occupy the bottom line of the display; use the B key to see the second
line. For example, the “factory” ID#1 is “Tektronix TSG601 Serial Digital.”
The display will first look like this:
Pressing the B key will change it to this:
You may find this feature useful if you save two or more IDs with the same
first line of text.
3. When the desired storage number is displayed, press ENTER to recall the ID or
Preset.
4. Press any rectangular key to exit the Recall menu.
2–10
TSG 601 Service Manual
Theory of Operation
Theory of Operation
This section contains a description of the TSG 601 circuitry based on the block
diagram shown in Figure 3–1.
Block Diagram Description
Overview
The block diagram consists of the following major blocks:
Interface. The interface allows the user to control the operation of the instrument.
The TSG 601 has two standard methods of interfacing with the user. One method
is input through the instrument keypad, and the other method is output through
the liquid crystal display (LCD). The LCD consists of two lines with 16
characters per line. There is an alternate method of input through an internal
RS-232 port, but this is used for manufacturing purposes only.
Controller. The TSG 601 uses a microprocessor controller (A1U5) whose function
is to control the operation of the instrument. It does so by polling the different
inputs (keyboard or RS-232 port, battery low condition, and improper termination) and then responding accordingly.
Logic. The logic of the TSG 601 is contained in a FPGA (A1U2). The logic in
the FPGA can be blocked into three major groups:
H
Extended memory access for the microprocessor to peripheral circuits
The FPGA decodes the upper address from the microprocessor and enables
the appropriate circuits to read or write data from/to the microprocessor.
Table 3–1 lists the memory addresses for the various circuits.
The eight lower address bits of the microprocessor are multiplexed on the
same lines as the data (AD(0–7)). The FPGA latches these bits with the
ASTB (address strobe) line and outputs them as A(0–7).
H
Horizontal and Vertical Counters and Decoders
The H and V counter outputs, along with the output of the signal selection
register, are used in addressing the signal PROM and SRAMs to obtain the
appropriate signal information. The counter outputs are decoded for timing
information to enable the FPGA to process the signal before outputting it to
the serializer.
TSG 601 Service Manual
3–1
Theory of Operation
Table 3–1: Circuit Addresses
H
Hex Address
Circuit
7FFFF–0
Flash PROM (A1U4)
9FFFF–8000
Video Flash PROM (A1U6)
A7FFF–A0000
SRAM LSB (A1U26)
C7FFF–C0000
SRAM MSB (A1U21)
E0000
LCD Instruction Code
E0001
LCD Data Code
FFFFF–E0002
FPGA Registers (A1U2)
Signal Processing Circuit
The processing circuit receives the signal data (SD(0–9)) from the SRAMs,
then adds secondary information before scrambling the signal. The secondary information consists of EAV (end of active video) and SAV (start of active video) timing, character ID (if any), and CRC ancillary data.
Memory. The TSG 601 has two flash PROMs (128KX8) and two SRAMs
(32KX8). The first flash PROM (A1U4) serves three functions: it contains the
microprocessor code in hex addresses 0 to FFFF, NVRAM for the microprocessor in hex addresses 10000 to 17FFF, and the configuration data for the
RAM-base FPGA in addresses 18000 to 1FFFF. The other flash PROM (A1U6)
and the two SRAMs are used to generate signal information.
Output. The FPGA outputs a 10-bit parallel signal stream with a 27 MHz clock
to a serializer (A1U11). The serializer multiplies the clock rate by 10 and outputs
the data in a serial stream at 270 MHz. The output of the serializer passes
through a buffer (A1U16) before being applied to the output connector. The
buffer amplitude is variable and is controlled by the DAC output (SIG_LEVEL)
of the microprocessor.
Termination Detector. The output signal line is monitored with a return-loss
bridge and signal-strength meter IC to determine if the output is properly
terminated.
Power Supply. The TSG 601 uses a switching power supply to generate the +5 V
supply. Input power can be supplied either through the DC input jack or by
batteries mounted in the instrument’s integral battery compartment.
3–2
TSG 601 Service Manual
Theory of Operation
Keypad
4
RS-232
1
LCD Display
1
INTERFACE
MEMORY
Flash
PROM
1
Lower
Address Bus
Upper Address Bus
CONTROLLER
LOGIC
Address/Data Bus
Microprocessor
Kernel
1
Character ID
Generator
1
4000 Series
Xilinx FPGA
Test Signal
Frame/Line Data
(Flash PROM)
1
1
Video Test
Signal Data
(SRAM)
Watchdog
1
1
Reset
Serializer
2
Launch
Amplitude Adjust
Cable Open/
Short Indicator
Power Supply
3
Driver
2
DC Input
Battery Input
1
Serial
Video
Termination
Detector
2
+5V
TCXO
27 MHz
OUTPUT
Board Clock
50 m
Cable
Interchangeable
Input/Output
3
Figure 3–1: Block Diagram of the TSG 601
TSG 601 Service Manual
3–3
Theory of Operation
Keypad
The keypad board (Assembly A2) is configured in a row and column format with
the signal lines sent to the main board (Assembly A1) through A1J2. The row
signal lines are inputs to the microprocessor (A1U5 ports 2X and 7X) and are
pulled up to +5 V by A1R5. When a key is pressed, the 100 resistance of
the key connects the row to the column of the pressed key.
The microprocessor (A1U5) drives the column lines low (0 V) one by one, reading the row lines to decode a key press. The column lines are normally driven
high by the microprocessor (port 1X). When a column line is driven low, the other column lines are momentarily configured as inputs, leaving them floating.
This is done to avoid having two outputs driving each other, with different levels, when two keys have been pressed. Only single key presses are decoded, with
multiple key presses being ignored. The microprocessor polls the keypad board
every 22 ms checking for key presses.
When the ON key is pressed, the regulated voltage (V_KEYBD) is connected to
the ON_KEY control line. If the instrument is off, the ON_KEY line will turn
the instrument on. When the instrument is on, the activation of the ON_KEY
line will be detected by port 23 (/ONKEY_SAFE) of the microprocessor. The
microprocessor will finish housekeeping details before shutting the instrument
off using the PWR_DWN signal of port 07.
RS-232 Port
A portion of port 3X on A1U5 is used to run the RS-232 interface (A1J13). This
interface is for manufacturing purposes only. A1U7 is the interface driver.
Microprocessor
The microprocessor (A1U5) is used to gather data and control the operation of
the instrument based on this data. The microprocessor gathers data from several
sources: the keypad, the internal RS-232 port, the battery voltage level, the output signal termination circuit, and the reset signal. The keypad and RS-232 inputs are discussed above.
The low battery condition is monitored on the BATT_LO line which is applied
to port 70, which is an analog-to-digital converter input. When the battery voltage level (VIN) goes below a set threshold, the instrument will indicate low batteries on the LCD display. After going below another voltage threshold, the
instrument shuts itself off. These voltage thresholds are dependent on the battery
type and are listed in Table 3–2.
Table 3–2: Low Battery Voltage Thresholds
3–4
Battery Type
Low
Off
Alkaline
7.5 V
6.5 V
NiCad
9.3 V
8.6 V
TSG 601 Service Manual
Theory of Operation
The microprocessor exerts most of its control over the the instrument through
ports 4X, 5X, and 6X. Port 4X is a multiplex address (LSB) and data bus, while
ports 5X and 6X handle the upper address bus and the read, write, and wait control lines. With the extended memory capabilities of these ports, the microprocessor can fetch instruction code from the flash PROM (A1U4), store and recall
users presets in NVRAM (also in A1U4), control the logic circuits in the FPGA,
and change the readout on the LCD display.
The microprocessor also controls other peripheral circuits through its I/O ports.
The lower LSB of port 0X and P34 of port 3X are used to communicate with the
Character ID chip (A1U23). P07 of port 0X shuts the power supply off when
either a low battery condition is detected or an Off condition is selected from the
keypad. P35 of port 3X is used to turn the backlight of the LCD on and off.
The microprocessor’s digital-to-analog outputs (ANO0 and ANO1) are used to
control the LCD display contrast level and the serial video output signal level
respectively.
Startup Sequence
When the instrument is first turned on, the FPGA (A1U2) goes into its configuration routine. During this routine, the FPGA output signals LDC, INIT, and
DONE are held low, while HDC is held high. The FPGA is a RAM-base IC and
needs to read in the appropriate data in order to configure its internal logic. The
FPGA uses the address and data buses connecting to and from the flash PROM
(A1U4) to configure itself.
The FPGA starts at the MSB of A1U4 and decrements until all the configuration
data is read (by the FPGA). During the configuration routine, the remaining I/Os
of the FPGA are in a tri-state mode. The HDC signal is passed through an inverter (A1U22) and holds the microprocessor in the reset mode during this time.
This causes the outputs of the microprocessor to be placed in a tri-state mode,
removing contention from the address and data buses. After the configuration
routine is completed, the FPGA is ready for operation. It releases the microprocessor to start setting up the instrument for operation by holding HDC low.
One of the tasks the microprocessor has during the instrument setup, is loading
the fast signal data from the signal flash PROM (A1U6) into the SRAMs
(A1U21 and A1U26). The microprocessor addresses the upper half of memory
and reads the data out of A1U6, and then turns around and writes the information
into the appropriate SRAM. Since the output of the PROM is only eight bits
wide and the signal data is ten bits, the data is stored in the PROM with the lower eight bits at one location, and the two MSBs at the next address. The microprocessor loads the eight LSBs into A1U26 and the two MSBs into A1U21.
During this time, the FPGA is outputting a serial video signal at a blanking level
with EAV and SAV data. After the SRAMs are loaded, the microprocessor sets a
flag in the FPGA that causes the instrument to enter into the operating sequence
mode of operation, which is discussed below.
TSG 601 Service Manual
3–5
Theory of Operation
Operating Sequence
The normal operating sequence for the microprocessor is to poll the keypad every 22 ms for user inputs and to check for a low battery condition. The FPGA
circuits are reading the signal data from the signal PROM and SRAMs, and processing the data to add character ID, SAV and EAV, and CRC ancillary data.
Once the signal is complete, it is output to the serializer (A1U11), scrambled to
form the NRZI (non return to zero inverse) sequence using the following polynomials:
G1(x) = x 9 + x 4 + 1
G2(x) = x + 1
(NRZI is a polarity-insensitive video data scrambling scheme in which 0 = no
change in logic, and 1 = a transition from one logic level to the other.)
Watchdog
The watchdog (A1U8) monitors the level of the +5 V supply, as well as the microprocessor and FPGA for a lockup condition. If the +5 V supply exceeds a
10% tolerance, the watchdog will pull its reset line low until the tolerance
condition is removed. When the reset line is pulled low, the FPGA is put into its
reconfigure mode, which in turn resets the microprocessor.
The watchdog also must receive a pulse at least every 250 ms on the AWAKE
line or it will reset the FPGA. The FPGA normally outputs the ASTB (address
strobe) line from the microprocessor as the AWAKE signal. During a write or
erase operation to the flash PROM (A1U4), the microprocessor is put into a
WAIT mode by the FPGA (the WAIT line is pulled low for a period of time that
may be longer than 250 ms). During the wait time, the FPGA outputs a field
pulse to keep the watchdog from resetting. The field pulse is a square wave with
a cycle time of 33.3 ms (40 ms PAL).
Serializer
The serializer (A1U11) receives 10-bit data words and a 27 MHz clock from the
FPGA, and outputs a serial data stream at 270 MHz. A resonance tank of
540 MHz between pins 1 and 44 is used to convert the incoming 27 MHz clock
to 270 MHz. The voltage level at A1TP1 should be near +3 V when the AFC is
locked up. The serial data goes through the output driver (A1U16) which has a
variable amplitude capability and complimentary outputs. The output level is
controlled by the microprocessor through the SIG_LEVEL signal line.
Return-Loss Detector
The positive output of A1U11 goes through return-loss compensation before going to the output connector. The negative output goes through identical compensation before it is internally terminated. The two outputs are connected
together at a summing point between A1R19 and A1R20. This summing point is
used to determine proper termination of the output signal. If the output is not
properly terminated in 75 , the summing point will activate the tank circuit
made up of A1L3, A1C30, and circuit board capacitance. The tank circuit drives
3–6
TSG 601 Service Manual
Theory of Operation
the input to the signal strength meter (A1U13) which serves as a return-loss detector. A1U13 signals the microprocessor when the output return loss is out of
specification, as set up by A1R31.
LCD Display
Power Supply
The microprocessor addresses the LCD display (Assembly A3) through the
FPGA. The display is enabled through the LCDE control line. The LCD contrast
is driven through A1Q4 from the microprocessor. The backlight is driven
through A1Q2.
The TSG 601 is DC powered either by batteries or by an AC adapter with a negative center lead orientation. When the adapter DC output is connected to A1J5,
power is not drawn from the batteries. A1L7 and A1C7 act as an EMI regulator,
and A1Q9 and A1VR1 protect the circuitry from a DC power adapter with a positive center lead. The +5 V regulator (A1U25) has very low quiescent power
draw for battery life extension. It supplies the keyboard with power. When the
ON key is pressed, the power is routed back to the power supply, using the flipflop A1U1 to activate the switching supply.
Once A1U1 pin 6 has gone low, the switching regulator (A1U3) is turned on.
Current output is enhanced by the driver made up of A1Q7, A1Q10, and A1Q8.
The switching transformer (A1L1A) outputs +5 V. A1L1B is used to clean up the
supply voltage for the analog circuitry.
The NiCad battery pack is charged through the circuit made up of A1Q12 and
A1CR2 when the supply voltage is at least +10.5 V. At supply voltages less than
that, the batteries will not charge.
The microprocessor shuts down the power supply using A1Q11 when a low battery state is detected.
50 m Cable Simulator
TSG 601 Service Manual
The 50 m cable simulator has been characterized to closely emulate 50 m of Belden 8281 coaxial cable. The simulator input and output are interchangeable.
3–7
Theory of Operation
3–8
TSG 601 Service Manual
Performance Verification and
Adjustment Procedures
Performance Verification and Adjustment Procedures
This section consists of a detailed performance verification procedure to verify
the operation of the TSG 601, and an adjustment procedure to return the instrument to in-spec operation.
A performance verification “Checklist” appears on page 4–2.
Step-by-step performance verification procedures begin on page 4–2.
Step-by-step instructions for adjustment procedures begin on page 4–6.
Required Test Equipment
The following list of equipment represents the minimum required for the Performance Verification and Adjustment procedures. While alternate equipment may
be used, it is not recommended. Alternate equipment must meet the minimum
specifications for the listed equipment. Use of inadequate equipment may result
in faulty measurements or calibration.
Table 4–1: Required Equipment
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
Item
Qty.
Requirements
Example
Oscilloscope
1
500 MHz bandwidth
Tektronix 11403A
Digitizing Oscilloscope
with 11A72 Plug-in
Spectrum Analyzer
1
Freq. Range: 325 MHz
Sensitivity: up to 50 dB
Internal tracking generator
Tektronix 2712, Option 04
RF Bridge
1
At least 46 dB return loss
sensitivity, 50 kHz to
325 MHz
Wideband Engineering
Part No. A57TGACR, and
high-frequency terminator
A56T75B
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
50 W BNC cable
1
Tektronix p/n 012-0057-00
75/50 W minimum loss attenuator, DC coupled
1
Tektronix p/n 011-0057-01
(required for oscilloscope
plug–in with 50 W input; attenuates signal 2.3X)
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁ
TSG 601 Service Manual
75 W BNC termination
2
50 W BNC termination
1
Tektronix p/n 011-0123-00
AC adapter
1
Std. TSG 601 accessory
No. 1 Pozidrive, 4” screwdriver
1
0.025% precision
Tektronix p/n 011-0102-01
4–1
Performance Verification and Adjustment Procedures
Performance Verification Checklist
Use the following checklist if you are familiar with the operation of the TSG 601
and video performance verification techniques.
NOTE. Allow a 20-minute warm-up for the TSG 601 and the instruments used for
performance verification.
1. Serial Digital Output Amplitude, Absolute Accuracy and DC Offset
Absolute accuracy @ 800 mV setting: 800 20 mV
DC offset: 0.0 0.5 V
2. Serial Digital Output Amplitude, Relative Accuracy
Coarse increments: 100 8 mV
Fine increments: 20 8 mV
3. Serial Digital Output Rise and Fall Times
400–1000 ps @ 20% to 80% amplitude points
4. Serial Digital Output Jitter
Less than 360 ps
5. Cable Simulator Return Loss
At least 20 dB from 5 MHz to 270 MHz
Performance Verification Procedures
The order of these procedures has been chosen to minimize changes in equipment setup.
Preparation
Power up the test equipment and the TSG 601. Allow a 20-minute warm-up.
Connect the TSG 601 Serial Output to a 75/50 minimum loss attenuator. Connect the other side of the pad to the 11403A through a 50 cable.
Configure the 11403A as follows:
WAVEFORM MENU
Vertical Desc. . . . . . . . . . . . . . . . . . . . . . . . . . .
Horizontal Desc. . . . . . . . . . . . . . . . . . . . . . . . .
Acquire Desc. . . . . . . . . . . . . . . . . . . . . . . . . . .
Vertical Mag: Wfm . . . . . . . . . . . . . . . . . . . . . .
Vertical Pos: Wfm . . . . . . . . . . . . . . . . . . . . . . .
Main Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Pos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4–2
(L1*2.3)
Main @512 Points
Continuous
200 mV
0V
1 ns
–4 ns
50
TSG 601 Service Manual
Performance Verification and Adjustment Procedures
Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC
BW Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 GHz
NOTE. Multiplying the vertical scale by 2.3 compensates for the attenuation due
to the 75/50 minimum loss attenuator.
TRIGGER MENU
Trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Source Description . . . . . . . . . . . . . . . . . . . . . .
Level: M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Time Holdoff: M . . . . . . . . . . . . . . . . . . . . . . . .
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main
L1
0V
510 ns
Auto
DC
“+”
MEASURE MENU
Amplitude (S)
Rise (S) 20% to 80% (Left Limit = 10%, Right Limit = 95%)
Fall (S) 20% to 80%
Overshoot (S)
Undershoot (S)
MID (DC Level)
Procedures
1. Serial Digital Output, Absolute Amplitude Accuracy and DC Offset
Absolute amplitude accuracy specification: 800 mV 20 mV
DC offset specification: 0 V 0.5 V
a. Press the Output Ampl button on the TSG 601 and check for an 800 mV
output amplitude.
b. Use the 11403A to verify that the signal meets the above specifications.
2. Serial Digital Output Signal Amplitude, Relative Accuracy
Coarse increments specification: 100 8 mV
Fine increments specification: 20 8 mV
a. Press the TSG 601 B key until 700 mV appears on the LCD.
b. On the 11403A, verify that the signal amplitude is 700 8 mV.
c. Press " once so that 720 mV is displayed on the TSG 601 LCD.
d. On the 11403A, verify that the signal amplitude is 720 8 mV.
e. Press Y on the TSG 601 until 900 mV appears on the LCD.
TSG 601 Service Manual
4–3
Performance Verification and Adjustment Procedures
f.
On the 11403A, verify that the signal amplitude is 900 8 mV.
g. Press A so that 880 mV is displayed on the TSG 601 LCD.
h. On the 11403A, verify that the signal amplitude is 880 8 mV.
3. Serial Digital Output Rise and Fall Times
Specification: 400–1000 ps @ 20% to 80% amplitude points
a. Verify, on the 11403A, that the rise time is between 400 and 1000 ps.
b. Enter the 11403A TRIGGER menu and set the slope to “–”. Return to
the MEASURE menu.
c. Verify that the fall time is between 400 and 1000 ps.
4. Serial Digital Output Jitter
Specification: less than 360 ps
a. Configure the 11403A as follows:
WAVEFORM MENU
Vertical Desc. . . . . . . . . . . . . . . . . . . . . . . . . . . . (L1*2.3)
Horizontal Desc. . . . . . . . . . . . . . . . . . . . . . . . . . Main @512 Points
Acquire Desc. . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Vert Mag: Wfm . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mV
Vert Pos: Wfm . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V
Main Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 ms
Main Pos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 s
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 W
Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC
BW Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 GHz
TRIGGER MENU
Trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main
Source Description . . . . . . . . . . . . . . . . . . . . . . . L1
Level: M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V
Time Holdoff: M . . . . . . . . . . . . . . . . . . . . . . . . 510 ns
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Auto
Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC
Slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . “+”
WINDOW MENU
Vertical Mag: Wfm . . . . . . . . . . . . . . . . . . . . . . . 100 mV
Vertical Pos: Wfm . . . . . . . . . . . . . . . . . . . . . . . 0 V
Window Size . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 ps/div
Window Position . . . . . . . . . . . . . . . . . . . . . . . . 40.001 ms
4–4
TSG 601 Service Manual
Performance Verification and Adjustment Procedures
CURSORS MENU
Vertical Bars
Cursor 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40.00 ms
Cursor 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40.00 ms
∆ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498.4 ps
(cursors set so eye crossing is in the center)
b. Set the TSG 601 output amplitude to 800 mV.
c. Verify that the eye crossing stays within the cursors.
5. Cable Simulator Return Loss
Specification: w 20 dB from 5 MHz to 270 MHz
a. Connect a precision 50 W cable from the spectrum analyzer RF Input to
the RF Output on the high-frequency RF Bridge.
b. Connect a precision 50 W cable from the spectrum analyzer TG Output
to the RF Input on the RF Bridge.
c. Select Demod/TG on the spectrum analyzer. Turn on the Tracking
Generator and set the Tracking Generator Fixed Level to 0.00 dBm.
d. Set the spectrum analyzer Span/Div to 50 MHz, the Vertical Scale to
10 dB, Frequency range to 300 MHz, and the Resolution Bandwidth to
300 kHz.
e. Set the spectrum analyzer Reference Level to the first major division
down from the top on the analyzer display.
f.
Remove one of the cables from the RF Bridge.
g. Set the spectrum analyzer Frequency Cursor to 250 MHz, and then set
the Marker to 270 MHz.
h. Reconnect the cable to the RF Bridge.
i.
Note the Reference Level Readout.
j.
In the Input Menu, adjust the spectrum analyzer External Attenuation
Amplitude by the amount noted in the previous step. Note: The
Reference Level Readout should now be 0.00 dBm.
k. Connect the precision high-frequency terminator to the Device Under
Test connector on the RF Bridge.
l.
Verify that the frequency response from 5 MHz to 270 MHz is w20 dB.
This check verifies that you have a good terminator.
m. Return the spectrum analyzer frequency marker to 270 MHz if it was
moved.
TSG 601 Service Manual
4–5
Performance Verification and Adjustment Procedures
n. Remove the precision high-frequency terminator from the RF Bridge.
o. Use a 75 male-to-male BNC connector to attach the Device Under
Test connector, on the RF Bridge, to one of the cable simulator BNCs.
Terminate the remaining side of the loopthrough with a 75 terminator.
p. Verify that the Reference Level Readout on the spectrum analyzer is
w25 dBm.
Adjustment Procedures
1.
Termination Detection
a. Use a No. 1 Pozidrive screwdriver to remove the four screws found on
the back of the instrument.
b. Carefully pull the top and bottom halves of the instrument approximately
one inch apart, then disconnect the ribbon cable from the top (keypad)
half.
c. Connect two 75 Ω BNC terminators together. Place the terminators on
the TSG 601 Serial Video Output.
d. Connect the AC adapter and switch the TSG 601 on.
e. Place the instrument on its right-hand side (AC adapter plug pointing
up), with the display end of the instrument farthest away from you; you
will be making an adjustment on the main board while looking at the
instrument’s display.
f.
Adjust R31 counterclockwise until the flashing
symbol just appears.
g. Replace the two 75 Ω terminators with a 50 Ω terminator. Verify that
symbol does not appear.
the
4–6
TSG 601 Service Manual
Performance Verification and Adjustment Procedures
h. To reassemble the instrument, reverse steps b and a. In step b, be sure to
install the ribbon cable with the brown wire leading to pin 1 of J10.
2.
Output Amplitude
Allow a minimum 20 minute warm-up for the TSG 601 and the oscilloscope.
a. Configure the 11403A as follows:
WAVEFORM MENU
Vertical Desc. . . . . . . . . . . . . . . . . . . . . . . . . . . . (L1*2.3)
Horizontal Desc. . . . . . . . . . . . . . . . . . . . . . . . . . Main @512 Points
Acquire Desc. . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Vertical Mag: Wfm . . . . . . . . . . . . . . . . . . . . . . . 200 mV
Vertical Pos: Wfm . . . . . . . . . . . . . . . . . . . . . . . 0 V
Main Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ns
Main Pos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –4 ns
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC
BW Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 GHz
TRIGGER MENU
Trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main
Source Description . . . . . . . . . . . . . . . . . . . . . . . L1
Level: M . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V
Time Holdoff: M . . . . . . . . . . . . . . . . . . . . . . . . 510 ns
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Auto
Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC
Slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . “+”
MEASURE MENU
Amplitude (S)
Rise (S) 20% to 80% (Left limit = 10% Right limit = 95%)
Fall (S) 20% to 80%
Overshoot (S)
Undershoot (S)
MID (DC Level)
b. Connect the TSG 601 Serial Output to a 75/50 minimum loss pad.
Connect the other side of the pad to the 11403A through a 50 cable.
c. On the TSG 601 press and hold down the Lock Out button and then press
the ON button. You will now be in the Diagnostic Menu.
d. Press and hold the down arrow until “SIGNAL AMPL” appears on the
display, then press ENTER.
e. Use the left and right arrows to adjust the amplitude on the 11403A to
600 mV 5 mV.
TSG 601 Service Manual
4–7
Performance Verification and Adjustment Procedures
f.
Press the up arrow. The display should now read “ADJ Signal Ampl.
800 mV.”
g. Use the left and right arrows to adjust the amplitude on the 11403A to
800 mV 5 mV.
h. Press the up arrow. The display should now read “ADJ Signal Ampl.
1000 mV.”
4–8
i.
Use the left and right arrows to adjust the amplitude on the 11403A to
1 V 5 mV.
j.
Press ENTER to store the new values in NVRAM.
TSG 601 Service Manual
Maintenance
Maintenance
Battery Hints
For optimal battery life and capacity, use the rechargeable NiCad battery pack
(Tektronix p/n 119-4488-00) in full charge/discharge cycles. In other words, fully
discharge the battery pack before recharging, and then charge the battery pack
until fully charged, approximately 16 hours. A new battery pack will take a few
charge/discharge cycles to reach full capacity.
WARNING. Install or replace batteries only with the instrument switched OFF
and the AC adapter disconnected.
Replace the batteries only with standard AA batteries (1.2–1.5 V, nominal), or
with a Tektronix rechargeable battery pack (p/n 119-4488-00).
Setting the Auto Power Down (page 5–5) and Battery Type (page 5–5) functions in the diagnostic menu also have an impact on battery life. The battery
types are disposable (Alkaline) or rechargeable (NiCad). Setting the battery type
changes the voltage thresholds for both the BATTERY LOW display message
and low battery shut down.
The BATTERY LOW
Message
Low Battery Shut Down
The warning “BATTERY LOW” will appear on the second line of the TSG 601
display when the battery voltage drops below a predetermined level. The level
depends on the Battery Type set in the diagnostic menu (see page 5–5). The
TSG will operate for approximately ten minutes after the message first appears.
For best results, replace or recharge the batteries when you first see this warning.
To prevent erratic operation at very low power levels, the TSG 601 will shut itself down if the battery voltage drops below a second, lower threshold that also
depends on the Battery Type setting.
Low battery shut down can happen with little or no warning if, for instance, the
instrument has been left on by mistake with Auto Power Down disabled. In such
cases, the TSG 601 is likely to shut itself down almost immediately the next time
you switch it on. If this happens:
H
Install fresh batteries or operate the instrument with the AC adapter, and
H
Confirm that the diagnostic menu Battery Type setting is appropriate.
The shut down threshold is higher for rechargeable batteries than for disposable.
Therefore, you will receive a false BATTERY LOW message and may experience premature shut down if using Alkaline batteries when the Battery Type is
TSG 601 Service Manual
5–1
Maintenance
set to “rechargeable.” On the other hand, NiCad batteries may be damaged—they
can lose their “rechargeability”—if they are discharged to the TSG 601 threshold
for disposable batteries. Be sure to select the correct Battery Type.
Preventive Maintenance
Under average conditions, the TSG 601 should have preventive maintenance performed about every 2000 hours. This is approximately one year of operation.
Preventive maintenance includes cleaning, visual inspection, a performance verification and, if necessary, adjustment. See Section 4 for performance verification
and adjustment procedures.
Cleaning
Clean the instrument often enough to prevent dust and dirt from accumulating in
or on it. Dirt can provide high-resistance electrical leakage paths between conductors or components in a humid environment.
CAUTION. The TSG 601 case is made of molded plastic. Do not allow water to
get inside of any enclosed assembly or component. Do not clean any plastic
materials with organic cleaning solvents, such as benzene, toluene, xylene,
acetone, or similar compounds, because they may damage the plastic.
Static-Sensitive
Components
The TSG 601 contains electrical components that are susceptible to damage from
static discharge. Static voltages of 1 kV to 30 kV are common in unprotected
environments.
CAUTION. Static discharge can damage any semiconductor component in this
instrument.
Observe the following precautions to avoid static damage:
5–2
H
Minimize handling of static-sensitive components.
H
Transport and store static-sensitive components or assemblies in their
original containers, on a metal rail, or on conductive foam. Label any
package that contains static-sensitive assemblies or components.
H
Discharge the static voltage from your body by wearing a wrist strap while
handling these components. Servicing static-sensitive assemblies or
components should only be performed at a static-free workstation by
qualified personnel.
TSG 601 Service Manual
Maintenance
H
Nothing capable of generating or holding a static charge should be allowed
on the workstation surface.
H
Keep the component leads shorted together whenever possible.
H
Pick up components by the body, never by the leads.
H
Do not slide the components over any surface.
H
Avoid handling components in areas that have a floor or work surface
covering capable of generating a static charge.
H
Use a soldering iron that is connected to earth ground.
H
Use only special antistatic, suction-type or wick-type desoldering tools.
Troubleshooting Aids
The following is miscellaneous information about schematics, circuit board illustrations, component numbering, and assembly numbering.
NOTE. No repair should be attempted during the warranty period.
Foldout Pages
The foldout pages at the back of the manual contain schematic diagrams and circuit board illustrations.
Diagrams
The circuit number and electrical value of each component is shown on the schematic diagrams. The first page in the Diagrams section explains the schematic
symbols and notations found on the diagrams. The Replaceable Electrical Parts
list gives a complete description of each component. Circuit boards and assemblies are shown with a heavy border, for identification. If the border does not
completely encircle the schematic then that schematic only portrays part of the
circuitry on that board or assembly. The name and assembly number of the circuit board are shown along the border as well as the serial number range that the
schematic represents (if applicable).
NOTE. Check for Change Information at the rear of the manual for inserts
describing corrections and modifications to the instrument and manual.
TSG 601 Service Manual
5–3
Maintenance
Circuit Board
Illustrations
Numbering
Electrical components, connectors, and test points are identified on circuit board
illustrations located on the inside fold of the corresponding circuit diagram or the
back of a preceding diagram.
The circuit board assemblies are assigned assembly numbers starting with A1.
Circuit boards have been assigned an assembly number so that they may be ordered from Tektronix, Inc. They are as follows:
A1 Main Board Assembly
A2 Keypad Board Assembly
A3 LCD Board Assembly
The part numbers for ordering these boards are listed first in the Replaceable
Electrical Parts list (EPL), in Section 6.
The EPL is arranged in assembly-by-assembly order, as designated in ANSI
Standard Y32.16-1975. Each component is assigned a circuit number, which is
shown in the parts list by combining the assembly number and the circuit number.
EXAMPLE: R123 on assembly A2 would be listed in the EPL as A2R123.
In the EPL, assemblies are listed first, followed by circuit board-mounted parts
in alphanumeric order. Parts mounted on the chassis are listed at the end of the
EPL.
NOTE. The complete part number shown in the parts list should be used when
ordering replacement parts.
Diagnostics
The Diagnostic Menu
To enter the diagnostic menu, hold the Lock Out button down while pressing the
ON button. To exit the diagnostic menu and resume normal operation, press any
of the rectangular buttons at the top of the keypad.
The diagnostic menu items are listed below. Use the up (Y) and down (B) arrow
keys to scroll up and down the list.
5–4
TSG 601 Service Manual
Maintenance
Y
B
'!
A"
1. Auto power down; use the left (A ) or right (") arrow key to toggle between
enabled and disabled.
The Auto Power Down function shuts the TSG 601 off when there has been
no key press for approximately 10 minutes, to conserve battery charge. The
Auto Power Down symbol (a rotating line) appears in the upper-right corner
of the display when the function is enabled.
YB
(( &* *%
'%$'! A "
2. Battery type; use the A or
able.
"
key to toggle between disposable or recharge-
YB ($&* ' (
& ''
3. Factory Reset; press Enter to reset the instrument to the factory default
settings. WARNING: All user selections, ID messages, and Presets will be
lost.
YB
!!+#A " !!+
4. LCD Diagnostic; press the A key to turn all segments on, and press the " key
to turn all segments off. Exit this diagnostic with the Y and B keys as usual.
YB
))
A"
$#(&'(
5. LCD Contrast; use the A and " keys to adjust display contrast to compensate
for various viewing angles and ambient lighting.
Y
B
#! "%!
& ''
6. Signal Amplitude Calibrate; instructions for the use of this diagnostic
function begin on page 4–7 (in the Verification and Adjustments section) of
this manual.
CAUTION. Changing this setting will affect the serial video output amplitude and
may give unexpected results. This utility should be used by Qualified Service
Personnel ONLY.
TSG 601 Service Manual
5–5
Maintenance
YB $%"' ! '
'# % A "
7. Format Set; use the A and " keys to select between 625 (625 lines/50 Hz)
and 525 (525 lines/60 Hz).
Y
B
$ '(% ))
#!& ))
8. Software/Signal versions; note these numbers in any correspondence to
Tektronix about your TSG 601.
Y
B
9. Kernel Checksum; this information is used during manufacture and has no
pertinence to operation or adjustment of the TSG 601.
YB
10. Xilinx Checksum. This information is used during manufacture.
Corrective Maintenance
Corrective maintenance deals with obtaining replacement parts, torque specifications, and component replacement.
Obtaining
Replacement Parts
Replacement parts are available from or through the local Tektronix, Inc., field
office or representative.
When ordering parts be sure to include the following information in your order:
1. Instrument type (and option numbers, if any).
2. Instrument serial number.
3. Description of the part, as it appears in the electrical or mechanical parts list.
4. The Tektronix part number.
If a part that has been ordered is replaced with a new or improved part, the local
Tektronix field office or representative will contact you concerning any change in
the part number. After repair, the circuits may need readjustment.
5–6
TSG 601 Service Manual
Maintenance
Torque Specifications
Only #4 screws are used in the TSG 601 to secure the case halves together. DO
NOT USE MORE THAN 3 INCH POUNDS OF TORQUE ON THESE
SCREWS.
Replacing Assemblies
WARNING. Disconnect the AC adapter and batteries before replacing any
components.
Back Cover
Removal/Replacement
Follow this procedure to remove and replace the back cover of the TSG 601:
1. Remove the four screws securing the back cover to the front cover.
2. Gently separate the back cover about 1 inch from the instrument, taking care
to not pull the rear panel (connector panel) away with it.
3. Disconnect the battery cable from J10. Make sure to pull on the connector
housing to do this, not the wires. The back cover is now free and may be
moved away from the instrument.
4. Replacement is the reverse of removal. Be sure that the brown wire of the
battery cable assembly connects to pin 1 of J10.
Connector Panel
Removal/Replacement
Follow this procedure to remove and replace the connector (“rear”) panel of the
TSG 601:
1. With the back cover removed, disconnect the cable from J1 on the connector
panel. Again, pull on the connector housing, not on the wires.
2. Slide the assembly up away from the front panel.
3. Replacement is the reverse of removal.
TSG 601 Service Manual
5–7
Maintenance
Main Board and LCD
Removal/Replacement
Follow this procedure to remove and replace the Main board and LCD of the
TSG 601:
1. After removing the connector panel, use a pair of needle-nose pliers to gently
pull the J2 housing up away from the instrument. Pull straight up, lifting the
Main board at the same time. Do NOT bend the connector housing.
2. When J2 pulls free, lift the Main board and the LCD display away from the
case.
3. To separate the Main board and LCD display module, disconnect the LCD
display cable from J6, and gently pull the two assemblies apart at J1. The
rubber board spacers should remain attached to the LCD display.
4. Replacement is the reverse of removal.
Keypad Removal
Follow this procedure to remove the TSG 601 keypad:
1. Once the Main board is out of the way, lift the plastic spacer board out of the
instrument. This is held in place only by a friction fit.
2. Lift the Keypad board out of the TSG 601. This too is held in place by a
friction fit.
3. Peel the rubber keypad out of the front panel.
Keypad Replacement
Once the keypad has been removed from the front panel, follow this procedure to
replace the TSG 601 keypad:
1. Place the Keypad board with the pins of the connector towards the workbench.
2. Place the rubber keypad on top of the Keypad board, positioning it so that
the ON button is in the corner closest the connector.
3. Adjust the rubber keypad so that the fingers on its back side fit through the
corresponding holes in the Keypad board.
4. Holding the keypad and Keypad board with the buttons up, slide the front
case onto them, aligning the rubber buttons with the holes for them in the
front case as you do so. The Keypad board is a friction fit in the front case
half, so you must apply some slight pressure to fully seat the assemblies into
the case.
5. Place the assembled front case and keypad face down on the workbench and
press the plastic spacer board into place. Align the cutout in the spacer board
with the connector. The plastic fingers will be facing up.
6. Replace all assemblies by reversing the above procedures, as necessary.
5–8
TSG 601 Service Manual
Replaceable Electrical Parts
Replaceable Electrical Parts
This section contains a list of the components that are replaceable for the
TSG 601. Use this list to identify and order replacement parts. There is a
separate Replaceable Electrical Parts list for each instrument.
Parts Ordering Information
Replacement parts are available from or through your local Tektronix, Inc., Field
Office or representative.
Changes to Tektronix instruments are sometimes made to accommodate
improved components as they become available and to give you the benefit of
the latest circuit improvements. Therefore, when ordering parts, it is important to
include the following information in your order.
H
H
H
H
Part number
Instrument type or model number
Instrument serial number
Instrument modification number, if applicable
If a part you have ordered has been replaced with a new or improved part, your
local Tektronix, Inc., Field Office or representative will contact you concerning
any change in part number.
Change information, if any, is located at the rear of this manual.
Using the Replaceable Electrical Parts List
The tabular information in the Replaceable Electrical Parts list is arranged for
quick retrieval. Understanding the structure and features of the list will help you
find all of the information you need for ordering replaceable parts.
Cross Index–Mfr. Code
Number to Manufacturer
Abbreviations
List of Assemblies
TSG 601 Service Manual
The Mfg. Code Number to Manufacturer Cross Index for the electrical parts list
is located immediately after this page. The cross index provides codes, names,
and addresses of manufacturers of components listed in the electrical parts list.
Abbreviations conform to American National Standards Institute (ANSI)
standard Y1.1.
A list of assemblies can be found at the beginning of the electrical parts list. The
assemblies are listed in numerical order. When the complete component number
of a part is known, this list will identify the assembly in which the part is
located.
6–1
Replaceable Electrical Parts
Column Descriptions
Component No.
(Column 1)
The component circuit number appears on the diagrams and circuit board
illustrations, located in the diagrams section. Assembly numbers are also marked
on each diagram and circuit board illustration, in the Diagram section and on the
mechanical exploded views, in the mechanical parts list. The component number
is obtained by adding the assembly number prefix to the circuit number.
Example a.
Component Number
A23R1234
A23
R1234
Assembly Number
Circuit Number
Read: Resistor 1234 of Assembly 23
Example b.
A23A2R1234
Component Number
A23
A2
R1234
Assembly Number
Subassembly Number
Read: Resistor 1234 of Subassembly 2 of Assembly 23
Circuit
Number
The electrical parts list is arranged by assemblies in numerical sequence (A1,
with its subassemblies and parts, precedes A2, with its subassemblies and parts).
Mechanical subparts to the circuit boards are listed in the electrical parts list.
These mechanical subparts are listed with their associated electrical part (for
example, fuse holder follows fuse).
Chassis-mounted parts and cable assemblies have no assembly number prefix
and are located at the end of the electrical parts list.
Tektronix Part No.
(Column 2)
Indicates part number to be used when ordering replacement part from
Tektronix.
Serial/Assembly No.
(Column 3 and 4)
Column three (3) indicates the serial or assembly number at which the part was
first used. Column four (4) indicates the serial or assembly number at which the
part was removed. No serial or assembly number entered indicates part is good
for all serial numbers.
Name and Description
(Column 5)
An item name is separated from the description by a colon (:). Because of space
limitations, an item name may sometimes appear as incomplete. Use the U.S.
Federal Catalog handbook H6-1 for further item name identification.
The mechanical subparts are shown as *ATTACHED PARTS* / *END ATTACHED PARTS* or *MOUNTING PARTS* / *END MOUNTING PARTS* in
column five (5).
Mfr. Code
(Column 6)
Mfr. Part No. (Column 7)
6–2
Indicates the code number of the actual manufacturer of the part. (Code to name
and address cross reference can be found immediately after this page.)
Indicates actual manufacturer’s part number.
TSG 601 Service Manual
Replaceable Electrical Parts
CROSS INDEX – MFR. CODE NUMBER TO MANUFACTURER
Mfr.
Code.
TK2058
TK2073
TK2519
TK2598
0H1N5
0JR03
0JR04
0LXM2
00779
01295
Manufacturer
Address
City, State, Zip Code
TDK CORPORATION OF AMERICA
TOKYO AMERICA INC
ALLIANCE SEMICONDUCTOR
MAXIM – ASIC
TOSHIBA MARCON ELECTRONICS
AMERICA CORPORATION
ZMAN MAGNETICS INC
TOSHIBA AMERICA INC
ELECTRONICS COMPONENTS DIV
LZR ELECTRONICS INC
AMP INC
1600 FEEHANVILLE DRIVE
565 W GULF ROAD
1930 ZANKER ROAD
120 SAN GABRIEL DRIVE
998 FIRST EDGE DRIVE
MOUNT PROSPECT, IL 60056
ARLINGTON HEIGHTS IL 60005
SAN JOSE CA 95112
SUNNYVALE, CA 94086
VERNON HILLS IL 60061
7633 S 180th
9775 TOLEDO WAY
KENT WA 98032
IRVINE CA 92718
8051 CESSNA AVENUE
2800 FULLING MILL
PO BOX 3608
13500 N CENTRAL EXPY
PO BOX 655303
19TH AVE SOUTH
P O BOX 867
5005 E MCDOWELL RD
GAITHERSBURG MD 20879
HARRISBURG PA 17105
09969
TEXAS INSTRUMENTS INC
SEMICONDUCTOR GROUP
AVX/KYOCERA
DIV OF AVX CORP
MOTOROLA INC
SEMICONDUCTOR PRODUCTS SECTOR
DALE ELECTRONICS INC
1ES66
1W344
17856
22526
24931
MAXIM INTEGRATED PRODUCTS INC
UNITED CHEMI–CON INC
SILICONIX INC
BERG ELECTRONICS INC (DUPONT)
SPECIALTY CONNECTOR CO INC
26364
27014
34335
COMPONENTS CORP
NATIONAL SEMICONDUCTOR CORP
ADVANCED MICRO DEVICES
37964
GENNUM CORPORATION
4T165
55322
NEC ELECTRONICS USA INC
ELECTRON DIV
ALLEN–BRADLEY CO
ELECTRONIC COMPONENTS
HEWLETT–PACKARD CO
OPTOELECTRONICS DIV
3M COMPANY
ELECTRONIC PRODUCTS DIV
SAMTEC INC
55680
56845
NICHICON /AMERICA/ CORP
DALE ELECTRONICS INC
57668
ROHM CORPORATION
61429
FOX ELECTRONICS
DIV OF FOX ELECTRONICS INC
SEIKO INSTRUMENTS USA
XILINX INC
LITTELFUSE TRACOR INC
SUB OF TRACOR INC
TEKTRONIX INC
04222
04713
50139
50434
53387
62712
68994
75915
80009
TSG 601 Service Manual
DALLAS TX 75262–5303
MYRTLE BEACH SC 29577
PHOENIX AZ 85008–4229
EAST HIGHWAY 50
P O BOX 180
120 SAN GABRIEL DRIVE
YANKTON SD 57078
2201 LAURELWOOD RD
857 OLD TRAIL RD
2100 EARLYWOOD DR
PO BOX 547
6 KINSEY PLACE
2900 SEMICONDUCTOR DR
901 THOMPSON PL
PO BOX 3453
970 FRASER DRIVE
PO BOX 489, STA A
475 ELLIS ST
PO BOX 7241
1414 ALLEN BRADLEY DR
SANTA CLARA CA 95054–1516
ETTERS PA 17319
FRANKLIN IN 46131
SUNNYVALE CA 94086
DENVILLE NJ 07834–2611
SANTA CLARA CA 95051–0606
SUNNYVALE CA 94086–3413
BURLINGTON, ONTARIO, CANADA L7R 3Y3
MOUNTAIN VIEW CA 94039
EL PASO TX 79936
370 W TRIMBLE RD
SAN JOSE CA 95131–1008
3M AUSTIN CENTER
AUSTIN TX 78769–2963
810 PROGRESS BLVD
PO BOX 1147
927 E STATE PKY
2300 RIVERSIDE BLVD
PO BOX 74
15375 BARRANCA PARKWAY
SUITE B207
5842 CORPORATION CIRCLE
NEW ALBANY IN 47150–2257
SCHAUMBURG IL 60195–4526
NORFOLK NE 68701–2242
IRVINE CA 92718
FOR MEYERS FL 33905
2990 W LOMITA BLVD
2100 LOGIC DRIVE
800 E NORTHWEST HWY
TORRANCE CA 90505–5102
SAN JOSE CA 95124
DES PLAINES IL 60016–3049
14150 SW KARL BRAUN DR
PO BOX 500
BEAVERTON OR 97077–0001
6–3
Replaceable Electrical Parts
Mfr.
Code.
82567
91637
6–4
Manufacturer
Address
City, State, Zip Code
DYNAMICS CORP OF AMERICA
REEVES–HOFFMAN DIV
DALE ELECTRONICS INC
400 W NORTH ST
CARLISLE PA 17013–2248
2064 12TH AVE
PO BOX 609
COLUMBUS NE 68601–3632
TSG 601 Service Manual
Replaceable Electrical Parts
Component
Number
Tektronix
Serial / Assembly Number
Part Number Effective
Discontinued
A1
A2
A3
671–2967–00
671–2586–01
119–4506–00
A4
A1
A1C1
A1C2
A1C3
A1C4
A1C5
A1C6
A1C7
A1C8
A1C12
A1C14
A1C15
A1C16
A1C17
A1C18
A1C19
A1C26
A1C27
A1C28
A1C29
A1C30
A1C31
A1C33
A1C34
A1C36
A1C37
A1C38
A1C39
A1C40
A1C41
A1C42
A1C43
A1C44
A1C45
A1C46
A1C47
A1C48
A1C49
A1C50
A1C51
A1C52
A1C53
A1C54
A1C56
A1C57
A1C58
A1C59
A1C60
A1C61
A1C62
A1C63
A1C64
Name & Description
Mfr.
Code
Mfr. Part
Number
80009
80009
62712
671296700
671258601
M16327JY
671–3227–00
CIRCUIT BOARD:MAIN
CIRCUIT BD ASSY:KEYBOARD
DISPLAY,MODULE:,LCD;16 CHARACTERS X 2 LINES,5 X 7
DOT MATRIX,TRANSFLECTIVE,YEL/GRN LED
CKT BD ASSY:REAR PANEL BOARD
80009
671322700
671–2967–00
283–5114–00
290–5050–00
283–5114–00
283–5282–00
283–5282–00
283–5282–00
283–5114–00
283–5267–00
283–5283–00
283–5267–00
283–5283–00
283–5002–00
283–5113–00
283–5279–00
283–5003–00
283–5003–00
283–5200–00
283–5200–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5003–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5203–00
283–5203–00
283–5203–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
290–0943–00
290–5034–01
283–5114–00
283–5203–00
283–5203–00
283–5114–00
283–5114–00
283–5114–00
283–5114–00
CIRCUIT BOARD:MAIN
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,AL:47UF,20%,35V,6 H X 8 DIA MM;LOW IMP,SMD
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;2.2UF,+80–20%,16V,Y5V,0.120 X 0.060
CAP,FXD,CER:MLC;2.2UF,+80–20%,16V,Y5V,0.120 X 0.060
CAP,FXD,CER:MLC;2.2UF,+80–20%,16V,Y5V,0.120 X 0.060
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1UF,+80%–20%,25V,Y5V,1206
CAP,FXD,CER:MLC;1.5PF,+/–.25PF,100V,NPO,.120X.060
CAP,FXD,CER:MLC;1UF,+80%–20%,25V,Y5V,1206
CAP,FXD,CER:MLC;1.5PF,+/–.25PF,100V,NPO,.120X.060
CAP,FXD,CER:MLC;1000PF,10%,50V,NPO,1206
CAP,FXD,CER:MLC;0.047UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.47UF,10%,50V,X7R,.180X.250
CAP,FXD,CER:MLC;0.01UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.01UF,10%,50V,X7R,1206
CAP,FXD,CER DI:0.47UF,+80–20%,50V
CAP,FXD,CER DI:0.47UF,+80–20%,50V
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.01UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,ALUM:47UF,+50–20%,25V,6 X 11MM
CAP,FXD,ALUM:33UF,20%,10V,5.7MM(0.224)
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
80009
04222
1W344
04222
04222
04222
04222
04222
04222
04222
04222
04222
TK2058
04222
04222
TK2058
TK2058
04222
04222
04222
04222
04222
04222
TK2058
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
0H1N5
1W344
04222
04222
04222
04222
04222
04222
04222
671296700
12065C104KAT(1A
MVF35VC47RM8TP
12065C104KAT(1A
1206YG225ZAT2A
1206YG225ZAT2A
1206YG225ZAT2A
12065C104KAT(1A
12063G105ZAT1A
12061A1R5CAT*A
12063G105ZAT1A
12061A1R5CAT*A
C3216COG1H102K–
12065C473KAT1A
18255C474KAT1A
C3216X7R1H103K–
C3216X7R1H103K–
18125E474ZAT1A
18125E474ZAT1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
C3216X7R1H103K–
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12061C102KAT1A
12061C102KAT1A
12061C102KAT1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
CEUSM1E470–Q
MVK10VC33RME60T
12065C104KAT(1A
12061C102KAT1A
12061C102KAT1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
12065C104KAT(1A
TSG 601 Service Manual
6–5
Replaceable Electrical Parts
Component
Number
Tektronix
Serial / Assembly Number
Part Number Effective
Discontinued
A1C65
A1C66
A1C67
A1C68
A1C69
A1C71
A1C72
A1C73
A1C74
A1C75
A1C76
A1C77
A1C78
A1C79
A1C81
A1C82
A1C83
A1C84
A1C85
A1C87
A1C88
A1C89
A1C90
A1C91
A1C92
A1C93
A1C98
A1C99
A1C100
A1C101
A1C102
A1C103
A1C105
A1C106
A1C107
A1C108
A1C109
A1C110
A1C111
283–5114–00
283–5114–00
283–5049–00
283–5114–00
283–5203–00
283–5203–00
283–5114–00
283–5003–00
283–5002–00
283–5113–00
283–5049–00
283–5003–00
283–5049–00
283–5049–00
283–5114–00
290–5034–01
283–5187–00
283–5187–00
283–5188–00
283–5188–00
283–5114–00
283–5114–00
283–5203–00
283–5114–00
283–5203–00
283–5203–00
283–5005–00
283–5005–00
290–0943–00
283–5267–00
283–5267–00
283–5282–00
283–5267–00
283–5188–00
283–5195–00
283–5114–00
283–5203–00
283–5114–00
290–1322–00
A1C112
A1C113
A1CR1
A1CR2
A1CR3
A1CR4
A1CR5
A1CR6
A1E1
283–5114–00
283–5114–00
152–5027–00
152–5018–00
152–5027–00
152–5086–00
152–0843–00
152–5045–00
108–5084–00
A1E2
108–5084–00
A1F1
A1J1
159–0363–00
131–5542–01
A1J2
131–5543–01
A1J5
131–5527–00
6–6
Name & Description
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;180PF,5%,50V,NPO,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.01UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,50V,NPO,1206
CAP,FXD,CER:MLC;0.047UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;180PF,5%,50V,NPO,1206
CAP,FXD,CER:MLC;0.01UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;180PF,5%,50V,NPO,1206
CAP,FXD,CER:MLC;180PF,5%,50V,NPO,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,ALUM:33UF,20%,10V,5.7MM(0.224)
CAP,FXD,CER:MLC;15PF,5%,100V,NPO,1206
CAP,FXD,CER:MLC;15PF,5%,100V,NPO,1206
CAP,FXD,CER:MLC;100PF,5%,100V,NPO,1206
CAP,FXD,CER:MLC;100PF,5%,100V,NPO,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;4PF,+/–0.25PF,50V,NPO,1206
CAP,FXD,CER:MLC;4PF,+/–0.25PF,50V,NPO,1206
CAP,FXD,ALUM:47UF,+50–20%,25V,6 X 11MM
CAP,FXD,CER:MLC;1UF,+80%–20%,25V,Y5V,1206
CAP,FXD,CER:MLC;1UF,+80%–20%,25V,Y5V,1206
CAP,FXD,CER:MLC;2.2UF,+80–20%,16V,Y5V,0.120 X 0.060
CAP,FXD,CER:MLC;1UF,+80%–20%,25V,Y5V,1206
CAP,FXD,CER:MLC;100PF,5%,100V,NPO,1206
CAP,FXD,CER:MLC;10PF,5%,100V ,NPO,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;1000PF,10%,100V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,ALUM:470UF,20%,16V,ESR =
0.095OHM(20C,100KHZ),10 X 12.5MM,LS=5MM
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
CAP,FXD,CER:MLC;0.1UF,10%,50V,X7R,1206
DIODE,RECT:SCHTKY;40V,1A
DIODE,SIG:,ULTRA FAST;100V,0.74VF,4NS,2.0PF,SER–PAIR
DIODE,RECT:SCHTKY;40V,1A
DIODE,RECT:,ULTRA FAST;600V,1A,50NS
DIODE,SIG:SCHTKY;SER–PAIR,20V,410MV,1.3PF
DIODE,SIG:SCHTKY;20V,1.2PF,24 OHM
COIL,RF:FERRITE CHIP BEAD,52 OHM
+/–25%@100MHZ,DCR 0.3 OHM,IMAX 400 MA,8MM T&R
COIL,RF:FERRITE CHIP BEAD,52 OHM
+/–25%@100MHZ,DCR 0.3 OHM,IMAX 400 MA,8MM T&R
FUSE,WIRE LEAD:4A,125V,FAST BLOW,ULREC,CSACERT;,
CONN,BOX:PCB,BTM ENTRY;FEM,STR,2 X 7,0.1 CTR,0.235
H X 0.125 TAIL,30 GOLD,SLDR MASKPOSTS,DUAL ENTRY
CONN,BOX:PCB,BTM ENTRY;FEM,STR,2 X 10,0.1 CTR,0.23
H X 0.125 TAIL,30 GLD,SLDRMASK POST,DUAL ENTRY
JACK,PWR DC:PCB;MALE,RTANG,2MM PIN,11MMH(0.433) X
3.5MM(0.137) TAIL,9MM(0.354) W,TIN,W/SW,DC PWR JACK
Mfr.
Code
Mfr. Part
Number
04222
04222
TK2058
04222
04222
04222
04222
TK2058
TK2058
04222
TK2058
TK2058
TK2058
TK2058
04222
1W344
04222
04222
04222
04222
04222
04222
04222
04222
04222
04222
TK2058
TK2058
0H1N5
04222
04222
04222
04222
04222
04222
04222
04222
04222
55680
12065C104KAT(1A
12065C104KAT(1A
C3216C0G1H181J–
12065C104KAT(1A
12061C102KAT1A
12061C102KAT1A
12065C104KAT(1A
C3216X7R1H103K–
C3216COG1H102K–
12065C473KAT1A
C3216C0G1H181J–
C3216X7R1H103K–
C3216C0G1H181J–
C3216C0G1H181J–
12065C104KAT(1A
MVK10VC33RME60T
12061A150JAT1A
12061A150JAT1A
12061A101JAT1A
12061A101JAT1A
12065C104KAT(1A
12065C104KAT(1A
12061C102KAT1A
12065C104KAT(1A
12061C102KAT1A
12061C102KAT1A
C3216C0G1H040C–
C3216C0G1H040C–
CEUSM1E470–Q
12063G105ZAT1A
12063G105ZAT1A
1206YG225ZAT2A
12063G105ZAT1A
12061A101JAT1A
12061A100JAT1A
12065C104KAT(1A
12061C102KAT1A
12065C104KAT(1A
UPY1C471MPH
04222
04222
04713
27014
04713
04713
50434
50434
TK2058
12065C104KAT(1A
12065C104KAT(1A
MBRS140T3
MMBD1203–HIGH
MBRS140T3
MURS160T3
HSMS–2812–T31
HSMS–2810–T31
HF70ACB322513T
TK2058
HF70ACB322513T
75915
53387
251004
929842–01–07–30
53387
929842–01–10–30
0LXM2
DJ005A
TSG 601 Service Manual
Replaceable Electrical Parts
Component
Number
Tektronix
Serial / Assembly Number
Part Number Effective
Discontinued
A1J6
A1J8
131–4794–00
131–0391–00
A1J10
131–5240–00
A1J13
A1J15
A1J21
131–5267–00
131–4794–00
131–0391–00
A1L1
108–1545–00
A1L3
A1L7
A1Q1
A1Q2
A1Q3
A1Q4
A1Q5
A1Q6
A1Q7
A1Q8
A1Q9
A1Q10
A1Q11
A1Q12
A1Q13
A1R1
A1R2
A1R3
A1R4
A1R5
108–0598–00
120–1939–00
151–5066–00
151–5066–00
151–5000–00
151–5021–00
151–5021–00
151–5000–00
151–5066–00
151–5088–00
151–5088–00
151–5001–00
151–5066–00
151–5044–00
151–5016–00
321–5048–00
321–5047–00
321–5030–00
321–5000–00
307–5041–01
A1R6
A1R8
A1R11
A1R12
A1R13
A1R14
A1R17
A1R19
A1R20
A1R22
A1R25
A1R30
A1R31
321–5001–00
321–5008–00
321–5010–00
321–5010–00
321–5008–00
321–5113–00
321–5008–00
321–5029–00
321–5029–00
321–5045–00
321–5045–00
321–5087–00
311–5034–00
A1R32
A1R33
A1R34
A1R35
A1R36
A1R37
A1R38
A1R39
A1R40
321–5266–00
321–5281–00
321–5051–00
321–5038–00
321–5032–00
321–5030–00
321–5209–00
321–5049–00
311–5040–00
A1R42
321–5038–00
TSG 601 Service Manual
Name & Description
CONN,HDR::PCB;MALE,STR,1 X 2,0.1 CTR,0.235
CONN,RF JACK:SMB;50 OHM,STR,PCB,GOLD/GOLD,0.293
H X 0.155 TAIL,3/0.045 SQ TAIL 0.038DIA CTRCOND,0.2 SQ
PCB,0.312 HEX
CONN,HDR:PCB;MALE,STR,1 X 5,0.1 CTR,0.230MLG X
0.120 TAIL,30 GOLD
CONN,HDR:PCB;MALE,STR,2 X 40,0.1 CTR,0.235
CONN,HDR::PCB;MALE,STR,1 X 2,0.1 CTR,0.235
CONN,RF JACK:SMB;50 OHM,STR,PCB,GOLD/GOLD,0.293
H X 0.155 TAIL,3/0.045 SQ TAIL 0.038DIA CTRCOND,0.2 SQ
PCB,0.312 HEX
INDUCTOR,DUAL:TOROID,314UH,10%,157UH AT
1ADCMAX,0.25 OHMS,15 X 12MM
COIL,RF:FIXED,200UH
TRANSFORMER:Z–92266
TRANSISTOR,SIG:MOS,N–CH;60V,0.115A,7.5 OHM
TRANSISTOR,SIG:MOS,N–CH;60V,0.115A,7.5 OHM
TRANSISTOR,SIG:BIPOLAR,PNP;40V,200MA,250MHZ,AMPL
TRANSISTOR,SIG:BIPOLAR,NPN;40V,600MA,300MHZ,AMPL
TRANSISTOR,SIG:BIPOLAR,NPN;40V,600MA,300MHZ,AMPL
TRANSISTOR,SIG:BIPOLAR,PNP;40V,200MA,250MHZ,AMPL
TRANSISTOR,SIG:MOS,N–CH;60V,0.115A,7.5 OHM
TRANSISTOR,PWR:MOS,P–CH;30V,4.6A,0.07/0.135
TRANSISTOR,PWR:MOS,P–CH;30V,4.6A,0.07/0.135
TRANSISTOR,SIG:BIPOLAR,NPN;40V,200MA,300MHZ,AMPL
TRANSISTOR,SIG:MOS,N–CH;60V,0.115A,7.5 OHM
TRANSISTOR,PWR:BIPOLAR,PNP;100V,3.0A,3.0MHZ,AMPL
TRANSISTOR,SIG:BIPOLAR,PNP;20V,30MA,600MHZ,AMPL
RES,FXD:THICK FILM;332K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;100K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10 OHM,1%,0.125W,TC=100PPM
RES,NTWK FXD:FILM;(15),4.7K OHM,2%,0.08W EACH,50PPM
RES,FXD:THICK FILM;12.1 OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;150 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;221 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;221 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;150 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;75 OHM,1%,0.125W,TC=100PPM
RES,FXD:THICK FILM;150 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;8.25K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;8.25K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;68.1 OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;68.1 OHM,1%,0.125W,TC=100 PPM
RES,FXD,FILM:620 OHM,5%,0.125W
RES,VAR,TRMR:CERMET;2K OHM,25%,0.25W,4MM SQ,TOP
ADJ
RES,FXD:THICK FILM;11K OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;2K OHM,1%,0.125W,TC=100PPM
RES,FXD:THICK FILM;0 OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;47.5K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;15.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD,FILM:243 OHM,1%,0.125WTAPE & REEL,SMD
RES,FXD:THICK FILM;1M OHM,1%,0.125W,TC=100PPM
RES,VAR,TRMR:CERMET;10K OHM,25%,0.25W,4MM
SQ,TOP ADJ
RES,FXD:THICK FILM;47.5K OHM,1%,0.125W,TC=100 PPM
Mfr.
Code
Mfr. Part
Number
53387
24931
2402–6112 UB
32JR105–1
22526
68001–105
00779
53387
24931
104326–4
2402–6112 UB
32JR105–1
80009
108154500
0JR03
0JR03
04713
04713
04713
04713
04713
04713
04713
17856
17856
04713
04713
04713
04713
57668
50139
50139
91637
91637
108–0598–00
Z–92266 (120–19
2N7002LT1
2N7002LT1
MMBT3906LT1
MMBT2222ALT1
MMBT2222ALT1
MMBT3906LT1
2N7002LT1
SI9435DY
SI9435DY
MMBT3904LT1
2N7002LT1
MJD32CT4
MMBTH81LT1
MCR18FXEA332K
BCK1003FT
BCK1002FT
CRCW120610R0FT
SOMC–1601–472G–
91637
50139
50139
50139
50139
56845
50139
50139
50139
50139
50139
50139
TK2073
CRCW120612R1FT
BCK1500FT
BCK221FT
BCK221FT
BCK1500FT
CRCW1206–75ROFT
BCK1500FT
BCK8251FT
BCK8251FT
BCD68R1FT
BCD68R1FT
BCK6200JT
G4DT202M
91637
91637
09969
50139
50139
50139
91637
57668
TK2073
CRCW1206–1102FT
CRCW1206–2001FT
CRCW1206 JUMPER
BCK4752FT
BCK1502FT
BCK1002FT
CRCW–1206–2430F
MCR18FXEA1M
G4DT103M
50139
BCK4752FT
6–7
Replaceable Electrical Parts
Component
Number
Tektronix
Serial / Assembly Number
Part Number Effective
Discontinued
A1R43
A1R45
A1R46
A1R49
A1R50
A1R51
A1R52
A1R53
A1R54
A1R56
A1R57
A1R58
A1R59
A1R60
A1R61
A1R62
A1R63
A1R64
A1R65
A1R66
A1R67
A1R68
A1R69
A1R70
A1R71
A1R72
A1R73
A1R74
A1R75
A1R76
A1R77
A1R78
A1R79
A1R80
A1R81
A1R82
A1R83
A1R84
A1TP3
321–5041–00
321–5028–00
321–5016–00
321–5027–00
321–5025–00
321–5090–00
321–5030–00
321–5030–00
321–5018–00
321–5030–00
321–5030–00
321–5015–00
321–5000–00
321–5007–00
321–5006–00
321–5006–00
321–5006–00
321–5006–00
321–5006–00
321–5006–00
321–5006–00
321–5006–00
321–5006–00
321–5006–00
321–5018–00
321–5030–00
321–5030–00
321–5047–00
321–5166–00
321–5048–00
321–5049–00
321–5010–00
321–5045–00
321–5022–00
321–5024–00
321–5000–00
321–5009–00
321–5045–00
214–4085–00
A1TP4
214–4085–00
A1U1
A1U2
156–5074–02
156–6871–00
A1U3
156–6714–00
A1U4
A1U5
156–6663–00
156–6661–00
A1U6
A1U7
156–6663–00
156–6664–00
A1U8
156–6665–00
A1U9
A1U10
A1U11
156–6491–00
156–5588–01
155–0416–00
6–8
Name & Description
RES,FXD:THICK FILM;82.5K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;6.81K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;681 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;5.62K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;3.92K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM; 20K OHM,0.125W,100 PPM,1206,T&R
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;1.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;562 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;10 OHM,1%,0.125W,TC=100PPM
RES,FXD:THICK FILM;121 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;100 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;1.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10.0K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;100K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;150K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;332K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;1M OHM,1%,0.125W,TC=100PPM
RES,FXD:THICK FILM;221 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;68.1 OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;2.21K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;3.32K OHM,1%,0.125W,TC=100 PPM
RES,FXD:THICK FILM;10 OHM,1%,0.125W,TC=100PPM
RES,FXD:THICK FILM;182 OHM,1%,0.125W,TC=100
RES,FXD:THICK FILM;68.1 OHM,1%,0.125W,TC=100 PPM
TERM,TEST POINT:0.070 ID,0.220 H,0.063 DIAPCB,0.015 X
0.032 BRASS,W/RED NYLON COLLAR
TERM,TEST POINT:0.070 ID,0.220 H,0.063 DIAPCB,0.015 X
0.032 BRASS,W/RED NYLON COLLAR
IC,DIGITAL:HCMOS,FLIP FLOP;DUAL D–TYPE
IC,DIGITAL:CMOS,PLD;FPGA,XC4000 FAMILY,4013,576
CLBS,192 IOBS,160 I/O,5 NS
IC,LINEAR:BIPOLAR,SW–REGULATOR;STEP–DOWN/BUCK,5.0V,500MA,4%,SHUTDOWN
IC,MEMORY:CMOS,EPROM;128K X 8,120NS,5V PRGM
IC,PROCESSOR:CMOS,MICRO COMPUTER;8–BIT,1K
RAM,A/D,D/A,12MHZ
IC,MEMORY:CMOS,EPROM;128K X 8,120NS,5V PRGM
IC,MISC:CMOS,INTERFACE;DUAL RS–232DRIVER/RECEIVER,+5V VCC,NEG INPUT THRESHOLD ON ONE RECEIVER
IC,MISC:CMOS,PWR SUPPLY SUPERVISOR;MPU RESET
GEN,5V SUPPLY SENSING,MPU WATCHDOGTIMER
IC,MEMORY:CMOS,ROM ;12 LINES X 24 COLUMN TV
IC,LINEAR:BIPOLAR,V REF;POS,2.5V,1.0%,40PPM,SERIES
IC,ASIC:BIPOLAR,VIDEO SERIALZER;FULL CUSTOM,M763
Mfr.
Code
Mfr. Part
Number
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
91637
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
50139
91637
57668
57668
50139
50139
50139
50139
91637
50139
50139
26364
BCK8252FT
BCK6811FT
BCK6810FT
BCK5621FT
BCK3921FT
BCK2002FT
BCK1002FT
BCK1002FT
BCK1001FT
BCK1002FT
BCK1002FT
BCK5620FT
CRCW120610R0FT
BCK1210FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1000FT
BCK1001FT
BCK1002FT
BCK1002FT
BCK1003FT
CRCW1206–1503FT
MCR18FXEA332K
MCR18FXEA1M
BCK221FT
BCD68R1FT
BCK2211FT
BCK3321FT
CRCW120610R0FT
BCK1820FT
BCD68R1FT
104–01–02
26364
104–01–02
01295
68994
SN74HC74DR
XC4013–5MQ208C
27014
LM2574M–5.0
34335
4T165
AM29F010–120JC
UPD78237GC–3B9
34335
1ES66
AM29F010–120JC
MAX243CSE
1ES66
MAX1232CSA (C74
80009
04713
TK2598
156649100
MC1403DR2
155041600
TSG 601 Service Manual
Replaceable Electrical Parts
Component
Number
Tektronix
Serial / Assembly Number
Part Number Effective
Discontinued
Mfr.
Code
Mfr. Part
Number
A1U13
156–6666–00
A1U16
156–6668–00
A1U18
156–6660–00
A1U20
A1U21
A1U22
A1U23
A1U25
156–6669–00
156–6794–00
156–5081–01
156–6867–00
156–5441–01
A1U26
A1VR1
A1VR2
A1Y1
156–6794–00
152–5046–00
152–5046–00
158–0449–00
A1Y2
158–5028–00
IC,LINEAR:BIPOLAR,AMPL;FM IF/DETECTOR,FSK DATA
SHAPER,W/RSSI
IC,MISC:ECL,MISC;GENLINX CA DRVR W/TWO ADJUST
OUTPUTS
IC,ASIC:BIPOLAR,CUSTOM;DESERIALIZER,SC2307–00,PLCC44
IC,ASIC:GATE ARRAY;ENOLA VIDEO CO–PROCESSOR
IC,MEMORY:CMOS,SRAM;32K X 8,15NS,5C2568,SOJ28.300
IC,DIGITAL:HCTCMOS,GATE;HEX INVERTER
IC,MEMORY:CMOS,ROM ;12 LINES X 24 COLUMN TV
IC,LINEAR:BIPOLAR,VOLTAGE REGULATOR;POSITIVE,ADJUSTABLE,100MA,2%MICROPOWER
IC,MEMORY:CMOS,SRAM;32K X 8,15NS,5C2568,SOJ28.300
DIODE,ZENER:;20V,5%,225MW
DIODE,ZENER:;20V,5%,225MW
OSCILLATOR:TCXO;27MHZ,1PPM,5PPM MIN ADJUSTIBILITY,3 PIN PACKAGE,DIP14 COMPATIBLE
XTAL UNIT,QTZ:12.0 MHZ,+/–0.01%,PRL,CLH,TYPE FPX–SM
04713
MC13055D
37964
GS9008
80009
156–6660–00
27014
TK2519
0JR04
80009
27014
SCX6B21 AOD/V0
AS7C256–15JC
TC74HCT04AFN(EL
156686700
LP2951CMX
TK2519
04713
04713
82567
AS7C256–15JC
MMBZ5250BLT1
MMBZ5250BLT1
03–33336–001
61429
FPX120 20
A2
A2J1
671–2586–01
131–5781–00
CIRCUIT BD ASSY:KEYBOARD
CONN,HDR:PCB;MALE,STR,2 X 10,0.1 CTR,0.380
80009
55322
671258601
MTLW–110–08–S–D
A3
119–4506–00
DISPLAY,MODULE:,LCD;16 CHARACTERS X 2 LINES,5 X 7
DOT MATRIX,TRANSFLECTIVE,YEL/GRN LED
62712
M16327JY
A4
A4J1
671–3227–00
131–0391–00
80009
24931
671322700
32JR105–1
A4J2
131–5436–00
24931
28JR299–3
A4J3
131–5436–00
24931
28JR299–3
A4J4
131–5436–00
CKT BD ASSY:REAR PANEL BOARD
CONN,RF JACK:SMB;50 OHM,STR,PCB,GOLD/GOLD,0.293
H X 0.155 TAIL,3/0.045 SQ TAIL 0.038DIA CTRCOND,0.2 SQ
PCB,0.312 HEX
CONN,RF JACK:BNC;50 OHM,FEMALE,STR,PCB,0.450 H X
(4)0.040 SQ,0.189 TAIL,ON 0.250 CTRPCB
CONN,RF JACK:BNC;50 OHM,FEMALE,STR,PCB,0.450 H X
(4)0.040 SQ,0.189 TAIL,ON 0.250 CTRPCB
CONN,RF JACK:BNC;50 OHM,FEMALE,STR,PCB,0.450 H X
(4)0.040 SQ,0.189 TAIL,ON 0.250 CTRPCB
24931
28JR299–3
W8
174–3183–00
CABLE ASSEMBLY:
(CONNECTED @ A1J8 & A4J1)
80009
174318300
TSG 601 Service Manual
Name & Description
6–9
Replaceable Electrical Parts
6–10
TSG 601 Service Manual
Diagrams and Circuit Board
Illustrations
Diagrams and Circuit Board Illustrations
Symbols
Graphic symbols and class designation letters are based on ANSI Standard
Y32.2–1975.
Logic symbology is based on ANSI Y32.14–1973 in terms of positive logic.
Logic symbols depict the logic function performed and may differ from the
manufacturer’s data.
Overline, parenthesis, or leading slash indicate a low asserting state.
Example:
ID CONTROL, (ID CONTROL), or /ID CONTROL.
Abbreviations are based on ANSI Y1.1–1972.
Other ANSI standards that are used in the preparation of diagrams by Tektronix,
Inc. are:
Y14.15, 1966 — Drafting Practices.
Y14.2, 1973 — Line Conventions and Lettering.
Y10.5, 1968 — Letter Symbols for Quantities Used in Electrical
Science and
Electrical Engineering.
American National Standard Institute
1430 Broadway, New York, New York 10018
Component Values
Electrical components shown on the diagrams are in the following units unless
noted otherwise:
TSG 601 Service Manual
Capacitors
Values one or greater are in picofarads (pF).
Values less than one are in microfarads (mF).
Resistors
Ohms ().
7–1
Diagrams and Circuit Board Illustrations
The following information and special symbols may appear in this manual.
Assembly Numbers
Each assembly in the instrument is assigned an assembly number (e.g., A20).
The assembly number appears on the diagram (in circuit board outline), circuit
board illustration title, and lookup table for the schematic diagram.
The Replaceable Electrical Parts List is arranged by assembly number in numerical sequence; the components are listed by component number. Example:
Chassis–mounted components
have no Assembly No. prefix.
See end of Replaceable Electrical
Parts List
Component Number
Assembly
Number
Schematic Circuit
Number
Grid Coordinates
The schematic diagram and circuit board component location illustration have
grids. A lookup table with the grid coordinates is provided for ease of locating
the component. Only the components illustrated on the facing diagram are listed
in the lookup table.
When more than one schematic diagram is used to illustrate the circuitry on a
circuit board, the circuit board illustration will only appear opposite the first diagram; the lookup table will list the diagram number of other diagrams that the
other circuitry appears on.
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7–2
TSG 601 Service Manual
A2 Key Board
Static Sensitive Devices
See Maintenance Section
Schematic Diagram <1>
Component Locator Chart
Assembly A2.
TSG 601
J1
H1
B6
S1
S2
S3
S4
S5
A1
A1
A2
A2
A3
S6
S7
S8
S9
S10
S11
S12
S13
S14
D3
C4
A1
A1
A2
A3
A3
S15
S16
S17
S18
S19
D3
D2
D2
D1
D1
C3
C3
C2
C1
C1
A3
A4
A4
B4
A4
A5
C1
A5
S20
S21
S22
S23
S24
D1
C1
B1
B1
B2
B1
B1
A1
A1
A2
C4
D4
D4
D4
B5
C5
C5
C5
S25
S26
S27
B2
B3
B3
A3
A3
A4
S28
S29
B4
C4
A5
B5
S30
S31
S32
S33
S34
D4
D3
D3
D2
D2
C5
C4
C3
C3
C2
S35
S36
S37
S38
S39
D1
C1
C2
C2
C3
C2
B1
B2
B3
B3
S40
S41
C3
G2
B4
A5
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TSG 601
KEYPAD
A2
1
A1 Main Board and Schematic <1> Component Locator Chart
(With crossĆreferences to schematic diagrams 1, 2, and 3.)
The schematic diagram has an alphanumeric grid to assist in locating parts within that diagram.
Use the lookup chart below for A3 Main Board Schematic <1>.
Diag
No
Diag
Loc
Bd
Loc
Comp
No
Diag
Loc
Bd
Loc
C1
C2
C3 †
C4
C5
C6
C7 †
1
3
3
1
1
1
3
B5
D1
D1
H5
G5
G5
C1
A1
C1
C1
A1
A1
B1
C1
C63 †
C64 †
C65 †
C66
C68 †
C69 †
C71 †
3
3
3
1
3
3
3
G3
H3
H3
A2
G3
G3
H3
D1
E2
E2
G3
C2
C2
C2
C8
C12 †
C14
C15
C16
C17 †
C18 †
2
2
2
2
2
2
2
E1
F1
E1
F1
A1
A2
A2
B4
B3
A3
A3
C3
C3
B4
C72 †
C81 †
C82
C83 †
C84 †
C85 †
C87 †
3
3
3
1
1
1
1
H3
H3
G3
A3
A3
A2
A3
C2
D1
C2
G2
F2
G3
G3
C19
C26 †
C27
C28
C29
C30
C31
2
2
2
2
2
2
2
B2
F2
H2
G2
F2
G2
G2
C4
B3
A2
B2
A2
B3
A2
C88
C89
C90 †
C91 †
C92 †
C93 †
C98
1
2
3
3
3
3
2
A5
D1
G3
G3
G3
G3
B1
B1
A3
D4
E3
E4
F3
C3
C33
C34 †
C36
C37
C38
C39
C40 †
2
2
3
3
3
3
3
E2
B2
G2
G2
G3
G3
G2
A4
C3
A3
B1
A3
A2
D2
C100
C101 †
C102 †
C103
C105 †
C106 †
C107 †
3
3
1
1
3
1
2
F3
F1
A5
H5
D1
A2
A1
F1
D1
F3
B1
E1
F3
B3
C41 †
C42 †
C43 †
C44 †
C45 †
C46 †
C47 †
3
3
3
3
3
3
3
G2
H2
H2
H2
G3
G3
G3
D1
E2
D2
E2
D3
D3
E3
C108
C109
C110
C111
2
2
2
3
D1
D1
G2
F2
A3
A3
A2
E1
C48 †
C49 †
C50 †
C51 †
C52
C53
C54 †
3
3
3
3
3
3
3
G3
H3
H3
H3
G3
G3
G3
F2
G2
G2
F3
G3
G3
D3
CR1
CR2
CR3
CR4
CR6 †
3
3
3
3
1
F2
B2
B1
E2
A2
E1
C1
C1
E1
F3
E1
E2
3
3
G4
G3
C3
C2
F1
3
B1
C1
C56
C57
C58 †
C59 †
C60 †
C61 †
C62 †
3
3
3
3
3
3
3
F2
G4
G4
G4
H4
H4
H4
F1
C4
C3
C3
C3
C3
C3
J1
J2
J5
J6
J8
J10
J13
1
1
3
1
2
3
1
B5
A1
A1
B5
G1
A1
H5
A1
G2
C1
B4
B3
B1
B2
Comp
No
A1 Main Board (front)
Static Sensitive Devices
See Maintenance Section
Diag
No
Comp
No
Diag
No
Diag
Loc
Bd
Loc
Comp
No
Diag
No
Diag
Loc
Bd
Loc
J15
J22
J23
J24
J25
J26
1
1
1
1
1
1
B2
G1
E1
H1
H4
H2
D4
D2
D3
D2
D2
F2
R56 †
3
G1
C1
L1A
L1B
L3
L7
3
3
2
3
F2
F3
G2
B1
F1
F1
B3
C1
R57 †
R58
R59
R60 †
R61 †
R62 †
R63 †
3
3
3
2
1
1
1
F2
B2
B2
A2
H3
H3
H3
D1
C2
D1
C4
D3
D3
D3
P6
1
B5
Q1
Q2
Q4
Q5
Q7 †
1
1
1
2
3
A2
A5
A5
D1
D2
G3
G4
B1
A3
D1
R64
R65
R66
R67
R68
R69 †
R70 †
1
1
1
1
1
1
1
H3
H3
H3
H3
H3
H4
H4
D3
D3
D3
D3
E3
E4
E4
Q8 †
Q9 †
Q10 †
Q11 †
Q12
3
3
3
3
3
E2
C1
E2
G1
B2
E1
C1
E1
D1
C1
R71 †
R72
R73
R78 †
R79
1
1
1
3
2
G5
H2
G2
D2
G2
E3
F1
F1
D1
A2
R1
R2
R3
R4
R5
R6
R8 †
1
1
1
1
1
3
2
A2
A2
A2
A5
C1
B2
C1
G3
G3
G4
F4
G3
C1
C3
TP1
TP3
TP4
2
3
3
B2
F3
F3
C4
B3
G1
R11
R12
R13
R14
R17
R19 †
R20 †
2
2
2
2
2
2
2
C1
C1
E1
F1
E1
F1
F1
B3
B3
B3
B3
A4
B3
B3
U1A †
U1B †
U2
U3 †
U4
U5
U6
3
3
1
3
1
1
1
G1
G1
E2
C2
D1
B2
G1
D1
D1
D2
D1
E2
F2
E2
R22 †
R25
R30
R31
R32
R33
R45
2
2
2
2
2
2
1
F1
F1
F2
H2
E2
H2
B5
B4
B3
B3
A2
A3
A2
A1
U7
U8 †
U10
U11
U13
U16
U21
1
1
1
2
2
2
1
G5
B2
A5
B1
G2
C1
G4
A1
D3
F3
C3
A3
A3
E4
U22A †
U22B †
U22C †
U23
U25 †
U26
1
1
1
1
3
1
D2
C1
B3
C5
F1
G3
E3
E3
E3
D1
C1
D4
R46
R49
R50
R52 †
R53 †
R54 †
1
2
2
3
3
3
B5
E2
E2
C1
D2
D2
A1
A3
A4
C1
E1
D1
VR1 †
VR2 †
3
3
C1
E2
C1
E1
Y1
Y2
1
1
C2
A3
F3
G2
† = on back of board.
A3 LCD Board
(back)
A1 Main Board (back)
TSG 601
A3 LCD Board
(front)
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Schematic Diagram <2>
Component Locator Chart
A1 Main Board. Partial assembly A1 also shown on
schematic diagrams 1 and 3.
C8
C12
C14
C15
C16
E1
F1
E1
F1
A1
B4
B3
A3
A3
C3
C17
C18
C19
C26
C27
A2
A2
B2
F2
H2
C3
B4
C4
B3
A2
C28
C29
C30
C31
C33
G2
F2
G2
G2
E2
B2
A2
B3
A2
A4
C34
C89
B2
D1
C3
A3
C98
C107
C108
B1
A1
D1
C3
B3
A3
C109
C110
D1
G2
A3
A2
J8
G1
B3
L3
G2
B3
Q5
D1
A3
R8
R11
R12
R13
R14
C1
C1
C1
E1
F1
C3
B3
B3
B3
B3
R17
E1
A4
R19
R20
R22
R25
F1
F1
F1
F1
B3
B3
B4
B3
R30
R31
R32
R33
R49
F2
H2
E2
H2
E2
B3
A2
A3
A2
A3
R50
R60
R79
E2
A2
G2
A4
C4
A2
TP1
B2
C4
U11
U13
U16
B1
G2
C1
C3
A3
A3
SERIALIZER
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A1
2
Schematic Diagram <3>
Component Locator Chart
A1 Main Board. Partial assembly A1 also shown
on schematic diagrams 1 and 2.
TSG 601
C2
C3
C7
C36
C37
D1
D1
C1
G2
G2
C1
C1
C1
A3
B1
C38
C39
C40
C41
C42
G3
G3
G2
G2
H2
A3
A2
D2
D1
E2
C43
C44
C45
C46
C47
H2
H2
G3
G3
G3
D2
E2
D3
D3
E3
C48
C49
C50
C51
C52
G3
H3
H3
H3
G3
F2
G2
G2
F3
G3
C53
C54
C56
C57
C58
G3
G3
F2
G4
G4
G3
D3
F1
C4
C3
C59
C60
C61
C62
G4
H4
H4
H4
C3
C3
C3
C3
C63
G3
D1
C64
C65
C68
C69
C71
H3
H3
G3
G3
H3
E2
E2
C2
C2
C2
C72
C81
C82
C90
C91
H3
H3
G3
G3
G3
C2
D1
C2
D4
E3
C92
C93
C100
C101
C105
C111
G3
G3
F3
F1
D1
F2
E4
F3
F1
D1
E1
E1
CR1
CR2
CR3
CR4
F2
B2
B1
E2
E1
E2
G4
G3
L1A
L1B
L7
F2
F3
B1
F1
F1
C1
Q7
Q8
Q9
Q10
Q11
Q12
D2
E2
C1
E2
G1
B2
D1
E1
C1
E1
D1
C1
R6
R52
R53
R54
R56
B2
C1
D2
D2
G1
C1
C1
E1
D1
C1
R57
R58
R59
R78
F2
B2
B2
D2
D1
C2
D1
D1
E1
C1
C1
E1
TP3
TP4
F3
F3
B3
G1
C3
C2
U1A
U1B
U3
U25
G1
G1
C2
F1
D1
D1
D1
C1
VR1
VR2
C1
E2
C1
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C1
J5
J10
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A1
C1
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POLARITY
PROTECTION
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TSG 601
POWER SUPPLY AND I/O PANEL
A1 & A4
3
Replaceable Mechanical Parts
Replaceable Mechanical Parts
This section contains a list of the components that are replaceable for the
TSG 601. Use this list to identify and order replacement parts. There is a
separate Replaceable Mechanical Parts list for each instrument.
Parts Ordering Information
Replacement parts are available from or through your local Tektronix, Inc., Field
Office or representative.
Changes to Tektronix instruments are sometimes made to accommodate
improved components as they become available and to give you the benefit of
the latest circuit improvements. Therefore, when ordering parts, it is important to
include the following information in your order.
H
H
H
H
Part number
Instrument type or model number
Instrument serial number
Instrument modification number, if applicable
If a part you have ordered has been replaced with a new or improved part, your
local Tektronix, Inc., Field Office or representative will contact you concerning
any change in part number.
Change information, if any, is located at the rear of this manual.
Using the Replaceable Mechanical Parts List
The tabular information in the Replaceable Mechanical Parts list is arranged for
quick retrieval. Understanding the structure and features of the list will help you
find all of the information you need for ordering replaceable parts.
Cross Index–Mfr. Code
Number to Manufacturer
The Mfg. Code Number to Manufacturer Cross Index for the mechanical parts
list is located immediately after this page. The cross index provides codes,
names, and addresses of manufacturers of components listed in the mechanical
parts list.
Abbreviations
Abbreviations conform to American National Standards Institute (ANSI)
standard Y1.1.
Chassis Parts
Chassis-mounted parts and cable assemblies are located at the end of the
Replaceable Electrical Parts list.
TSG 601 Service Manual
8–1
Replaceable Mechanical Parts
Column Descriptions
Figure & Index No.
(Column 1)
Items in this section are referenced by figure and index numbers to the illustrations.
Tektronix Part No.
(Column 2)
Indicates part number to be used when ordering replacement part from
Tektronix.
Serial No.
(Column 3 and 4)
Qty (Column 5)
Name and Description
(Column 6)
Column three (3) indicates the serial number at which the part was first used.
Column four (4) indicates the serial number at which the part was removed. No
serial number entered indicates part is good for all serial numbers.
This indicates the quantity of mechanical parts used.
An item name is separated from the description by a colon (:). Because of space
limitations, an item name may sometimes appear as incomplete. Use the U.S.
Federal Catalog handbook H6-1 for further item name identification.
Following is an example of the indentation system used to indicate relationship.
1 2 3 4 5
Name & Description
Assembly and/or Component
Mounting parts for Assembly and/or Component
*MOUNTING PARTS*/*END MOUNTING PARTS*
Detail Part of Assembly and/or Component
Mounting parts for Detail Part
*MOUNTING PARTS*/*END MOUNTING PARTS*
Parts of Detail Part
Mounting parts for Parts of Detail Part
*MOUNTING PARTS*/*END MOUNTING PARTS*
Mounting Parts always appear in the same indentation as the Item it mounts,
while the detail parts are indented to the right. Indented items are part of and
included with, the next higher indentation. Mounting parts must be purchased
separately, unless otherwise specified.
Mfr. Code
(Column 7)
Mfr. Part Number
(Column 8)
8–2
Indicates the code number of the actual manufacturer of the part. (Code to name
and address cross reference can be found immediately after this page.)
Indicates actual manufacturer’s part number.
TSG 601 Service Manual
Replaceable Mechanical Parts
CROSS INDEX – MFR. CODE NUMBER TO MANUFACTURER
Mfr.
Code
Manufacturer
Address
City, State, Zip Code
4300 S RACINE AVE
3910 INDUSTRIAL AVE
14181 SW MILLIKAN WAY
CHICAGO IL 60609–3320
COEUR D’ALENE ID 83814
BEAVERTON OR 97077
0DWW6
LEWIS SCREW CO
QUALITY PLASTIC INJECTION MOLDING
XEROX BUSINESS SERVICES
DIV OF XEROX CORPORATION
MICRO POWER ELECTRONICS
BEAVERTON OR 97005
0VG90
62712
80009
GLOBTEK INC
SEIKO INSTRUMENTS USA
TEKTRONIX INC
7973 SW CIRRUS DRIVE
BLDG. #22
186 VETERANS DRIVE
2990 W LOMITA BLVD
14150 SW KARL BRAUN DR
PO BOX 500
TK0435
TK1155
TK2548
TSG 601 Service Manual
NORTHVALE, NJ 07647
TORRANCE CA 90505–5102
BEAVERTON OR 97077–0001
8–3
Replaceable Mechanical Parts
Fig. &
Index
No.
Tektronix
Part No.
1–1
Serial Number
Effective Dscont
Qty
12345
614–0913–00
1
–2
211–0097–00
4
–3
–4
–5
–6
348–1347–00
200–4075–00
333–4145–00
–––––––––––
4
1
1
1
–7
–8
211–0661–00
214–4661–00
3
1
–9
–––––––––––
1
–10
–11
426–2408–00
–––––––––––
1
1
–12
–13
–14
119–4709–00
361–1636–00
–––––––––––
1
2
1
–15
614–0920–00
1
KIT ASSEMBLY:BATTERY HOLDER SUB ASSEMBLY
*MOUNTING PARTS*
SCREW,MACHINE:4–40 X 0.312,PNH,STL
*END MOUNTING PARTS*
PAD,CUSHIONING:TSG90
DOOR,BATTERY:POLYCARBONATE
REAR,PANEL:PLASTIC,TSG601
CKT BD ASSY:REAR PANEL BOARD
(SEE A4 REPL)
*MOUNTING PARTS*
SCR,ASSEM WSHR:4–40 X 0.25,PNH,STL,CD PL,POZ,MACH
SPRING,EMI CNTC:SPRING,EMI CONTACT,0.004 CU–BE,
HEAT TREAT TO HARD,0.0003 INCH MIN TINMATE,TSG601
*END MOUNTING PARTS*
CIRCUIT BOARD:MAIN
(SEE A1 REPL)
SPACER,ECB:ABS,BLACK,TSG601
CIRCUIT BD ASSY:KEYBOARD
(SEE A2 REPL)
KEYPAD:TSG601
SPACER:SANTOPREN
DISPLAY,MODULE:,LCD;16 CHARACTERS X 2 LINES,5 X 7
DOT MATRIX,TRANSFLECTIVE,YEL/GRN LEDBACKLIGHT,WIDE TEMP RANGE
(SEE A3 REPL)
KIT ASSEMBLY:378–2073–00,202–0230–03
–16
016–1229–00
070–8909–00
119–4538–00
1
1
1
–17
8–4
119–4539–00
1
119–4488–00
070–8910–00
070–8911–00
1
1
1
Name & Description
STANDARD ACCESSORIES
CASE,CARRYING:TSG90
MANUAL,TECH:INSTRUCTION,CARD,TSG601
POWER SUPPLY:12W; 12V 1A, 180CM CORD WITH 2.1MM
FEMALE RIGHT ANGLECONN, CN
(STANDARD ONLY)
OPTIONAL ACCESSORIES
POWER SUPPLY:12W; 12V 1A, 180CM CORD WITH 2.1MM
FEMALE RIGHT ANGLECONN, CN
(OPTION 1J ONLY)
BAT PACK ASSY:
MANUAL,TECH:USER,TSG601
MANUAL,TECH:SERVICE,TSG601,DP
Mfr.
Code
Mfr. Part No.
80009
614091300
TK0435
ORDER BY DESC
80009
TK1155
80009
348134700
200–4075–00
333414500
TK0435
80009
ORDER BY DESC
214466100
80009
426240800
80009
80009
119470900
361163600
80009
61409200
80009T
K2548
0VG90
0016122900
070890900
WD1E1000CRA12CN
0VG90
WD49E1000CRA12C
0DWW6
TK2548
TK2548
101–147–1
070891000
070891100
TSG 601 Service Manual
FIG. 1 EXPLODED VIEW
A3
A2
A1
A4
TSG 601 Service Manual
8–5
8–6
TSG 601 Service Manual
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