Anritsu MP1763C User manual

Document No.: M-W1848BE-2.0
ANRITSU CORPORATION
MP1763C
Pulse Pattern Generator
Service Manual
Second Edition
To ensure that the equipment is used safely, read the
"For Safety" in the MP1763C Pulse Pattern Genera-
tor Operation Manual first.
Keep this manual with the equipment.

ii
To prevent the risk of personal injury or loss related to equipment malfunction, Anritsu Corporation uses the following
safety symbols to indicate safety-related information. Insure that you clearly understand the meanings of the sym-
bols BEFORE using the equipment.
Some or all of the following five symbols may not be used on all Anritsu equipment. In addition, there may be other
labels attached to products which are not shown in the diagrams in this manual.
Symbols used in manual
This indicates a very dangerous procedure that could result in serious injury or
death if not performed properly.
This indicates a hazardous procedure that could result in serious injury or death if
not performed properly.
This indicates a hazardous procedure or danger that could result in light-to-severe
injury, or loss related to equipment malfunction, if proper precautions are not taken.
Safety Symbols Used on Equipment and in Manual
The following safety symbols are used inside or on the equipment near operation locations to provide information
about safety items and operation precautions. Insure that you clearly understand the meanings of the symbols
and take the necessary precautions BEFORE using the equipment.
This indicates a prohibited operation. The prohibited operation is indicated sym-
bolically in or near the barred circle.
This indicates an obligatory safety precaution. The obligatory operation is indicat-
ed symbolically in or near the circle.
This indicates warning or caution. The contents are indicated symbolically in or
near the triangle.
This indicates a note. The contents are described in the box.
These indicate that the marked part should be recycled.
MP1763C
Pulse Pattern Generator
Service Manual
30 March 2001 (First Edition)
18 June 2002 (Second Edition)
Copyright © 2001-2002, ANRITSU CORPORATION.
All rights reserved. No part of this manual may be reproduced without the prior written permission of the
publisher.
The contents of this manual may be changed without prior notice.
Printed in Japan
Safety Symbols
DANGER
WARNING
CAUTION

For Safety
iii
WARNING
For safety, do not open the equipment covers.
If repair is required, contact the sales representative, branch office, or
agent at the telephone number and address given in this document or in
the equipment operation manual.
Although not recommended by Anritsu Corporation, if it is really impera-
tive
to open the covers for emergency repair, take great care not to touch any
dangerous parts.
Always request repair by a trained engineer who understands the haz-
ards.
Anritsu Corporation will not accept liability for any injuries sustained as a
result of opening the equipment covers.
WARNING
Sure to read "For Safety" at the beginning of this manual before repair.
Then, understand the contents of this manual for repair. This liquid is very
caustic and poisonous.

iv
Notes On Export Management
This product and its manuals require an Export License/Approval by the
Government of the product's country of origin for re-export from you
r
country.
Before re-exporting the product or manuals, please contact us to confirm
whether they are export-controlled items or not.

v
Power Line Fuse Protection
For safety, Anritsu products have either one or two fuses in the AC power lines as
requested by the customer when ordering.
Single fuse: A fuse is inserted in one of the AC power lines.
Double fuse: A fuse is inserted in each of the AC power lines.
Example 1: An example of the single fuse is shown below:
Fuse Holder
Example 2: An example of the double fuse is shown below:
Fuse Holders

vi

I
About This Manual
This service manual is used for the MP1763C Pulse Pattern Generator Composi-
tion of the service manual:
Service Manual: Describes circuit explanation, troubleshooting, adjustment,
mechanical configuration, PC-board numbers/names, and circuit diagram num-
bers.
Schematics: Shows circuit diagrams and parts lists with the drawing num-
bers.
This manual is for the service personnel of overseas corporation and con-
tract representatives of Anritsu Corporation, not for the customers to repair
the MP1673C.
Service manual (M-W1848BE)
Schematics (M-W1848GE)

II.
Table of Contents
For Safety ................................................... iii
About This Manual ....................................... I
Section 1 Outline....................................... 1-1
Section 2 Outline of Operation................. 2-1
2.1 General principles of operation ..................................... 2-2
Section 3 Troubleshooting ....................... 3-1
3.1 Introduction ................................................................... 3-2
3.2 Repair level ................................................................... 3-2
3.3 Location......................................................................... 3-2
3.4 Measuring static electricity............................................ 3-2
3.5 Service Kits ................................................................... 3-2
3.6 Equipment Required for Troubleshooting,
Repair and Calibra-tion. ................................................ 3-2
3.7 Overall Troubleshooting................................................ 3-3
3.8 Typical output waveform ............................................... 3-10
Section 4 Waveform Check ...................... 4-1
4.1 DC voltage check.......................................................... 4-2
4.2 Waveform check ........................................................... 4-2
Section 5 Adjustment Procedure............. 5-1
5.1 Performance Test.......................................................... 5-2
5.2 Calibration Setup........................................................... 5-3
Section 6 Mechanical Configuration ....... 6-1
6.1 Cleaning Optical Connector .......................................... 6-2
6.2 Recharging Battery ....................................................... 6-3
6.3 Self-Diagnostic Error Display ........................................ 6-4
Appendix A Outline of Operation ............. A-1
A.1 Block Diagram............................................................... A-3
A.2 Module List.................................................................... A-11

Section 1 Outline
1-1
This is the service manual for the MP1763C Pulse Pattern Generator.
It covers the following topics;
SECTION 2 OUTLINE OF OPERATION
SECTION 3 TROUBLESHOOTING
SECTION 4 WAVEFORM CHECK
SECTION 5 ADJUSTMENT PROCEDURE
SECTION 6 MECHANICAL CONFIGURATION
APPENDIX OVERALL CIRCUIT DIAGRAM
For specifications, operating instructions, performance checks, and a detailed de-
scription of the MP1763C Pulse Pattern Generator panel controls, refer to the sepa-
rate operation manual.
CAUTION
Since the monolithic and hybrid ICs that are mounted in this
instrument are very sensitive, be very careful when
handling them.

Section 1 Outline
1-2.