Agilent Technologies ESG-D Series User manual

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Service Guide
Agilent ESG-D Series Signal Generators
Serial Number Prefixes:
ESG-D1000A, US3723 and below
ESG-D2000A, US3723 and below
ESG-D3000A, US3723 and below
ESG-D4000A, US3723 and below
Part No. E4400-90014
Printed in USA
Print Date: July 1997
Copyright Hewlett-Packard Company 1997. All Rights Reserved. Reproduction, adaptation, or translation without
prior written permission is prohibited, except as allowed under the copyright laws.
1400 Fountaingrove Parkway, Santa Rosa, CA 95403-1799, USA

ii

iii
Contents
1 Initial Troubleshooting and Overall Block Diagram
Before You Begin Troubleshooting.........................................................................................1-2
Using this Service Guide to Troubleshoot...............................................................................1-3
Equipment Required for Troubleshooting...............................................................................1-4
Initial Troubleshooting.............................................................................................................1-5
Overall Block Diagram............................................................................................................1-17
Overall Block Diagram (Option 1EH).....................................................................................1-19
Overall Block Diagram (Options UN3 & UN4)......................................................................1-21
2 Assembly-Level Troubleshooting with Block Diagrams
Before You Begin Troubleshooting.........................................................................................2-2
Using the Procedures in this Chapter.......................................................................................2-3
A9 Output Board......................................................................................................................2-5
A9 Output Board Block Diagram............................................................................................2-7
A11 Reference Board ..............................................................................................................2-9
A11 Reference Board Block Diagram.....................................................................................2-11
A12 Synthesizer/Doubler Board..............................................................................................2-13
A12 Synthesizer/Doubler Board Block Diagram....................................................................2-15
A14 CPU/Motherboard............................................................................................................2-17
A14 CPU/Motherboard Block Diagram (1 of 2).....................................................................2-19
A14 CPU/Motherboard Block Diagram (2 of 2).....................................................................2-21
AT1 Attenuator/RPP Block Diagram.......................................................................................2-23

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Contents
A7 Baseband Generator Board Block Diagram (Option 1EH)............................................... 2-25
A7 Baseband Generator Board Block Diagram (Options UN3 & UN4) ................................2-27
A8 Data Generator Board Block Diagram (Options UN3 & UN4) ........................................ 2-29
Interconnects Block Diagram - Power Supply and Ground (1 of 2).......................................2-31
Interconnects Block Diagram - Power Supply and Ground (2 of 2).......................................2-33
Interconnects Block Diagram - Modulation and Signal (1 of 2).............................................2-35
Interconnects Block Diagram - Modulation and Signal (2 of 2).............................................2-37
3 Replaceable Parts
Ordering Information............................................................................................................... 3-2
Save Money with Rebuilt-Exchange Assemblies....................................................................3-4
Abbreviations Used in Part Descriptions.................................................................................3-6
Major Assemblies.................................................................................................................... 3-8
Cables...................................................................................................................................... 3-16
Hardware and Other Instrument Parts ..................................................................................... 3-34
Miscellaneous.......................................................................................................................... 3-56
4 Assembly Replacement
Before You Replace an Assembly........................................................................................... 4-2
Assemblies That You Can Replace..........................................................................................4-3
Instrument Cover.....................................................................................................................4-4
Front Panel............................................................................................................................... 4-6
Front Panel (Option 1EM).......................................................................................................4-10

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Contents
Rear Panel................................................................................................................................4-14
Rear Panel (Option 1EM)........................................................................................................4-18
A1 Front Panel Board..............................................................................................................4-22
A2 Display...............................................................................................................................4-24
A2DS1 Fluorescent Lamp .......................................................................................................4-26
A3 Inverter...............................................................................................................................4-28
A4 Power Supply.....................................................................................................................4-30
A4 Power Supply (Option 1EM) .............................................................................................4-34
A7 Baseband Generator Board (Option 1EH).........................................................................4-38
A7 Baseband Generator Board (Options UN3 & UN4)..........................................................4-40
A8 Data Generator Board (Options UN3 & UN4)..................................................................4-42
A9, A11, and A12 Daughterboard Card Cage Boards.............................................................4-44
A14 CPU/Motherboard............................................................................................................4-46
A14BT1 Battery.......................................................................................................................4-50
A15 Daughterboard .................................................................................................................4-52
A16 Line Module.....................................................................................................................4-56
A17 Rear Panel Interface Board (Options 1EH, UN3, UN4)..................................................4-58
AT1 Electronic Attenuator/RPP...............................................................................................4-60
B1 Small Fan Assembly ..........................................................................................................4-62
B2 Large Fan Assembly ..........................................................................................................4-64
W11, W12, and W14 Semi-Rigid Cables................................................................................4-66

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Contents
5 Post-Repair Procedures
Performance Tests.................................................................................................................... 5-2
Adjustments............................................................................................................................. 5-4
6 Error Messages
Error Messages........................................................................................................................ 6-2
Querying the Error Queue.......................................................................................................6-4
Error Numbers......................................................................................................................... 6-5
No Error................................................................................................................................... 6-6
SCPI Standard Error Messages ............................................................................................... 6-7
Command Error....................................................................................................................... 6-8
Execution Error........................................................................................................................ 6-13
Device-specific Error............................................................................................................... 6-20
Query Error..............................................................................................................................6-22
ESG-D Series Signal Generator Instrument-Specific Error Messages....................................6-24
7 Options and Accessories
Signal Generator Options........................................................................................................7
-
2
Signal Generator Accessories.................................................................................................. 7-7
Upgrade and Retrofit Kits........................................................................................................ 7-8
8 Contacting Hewlett-Packard
Before Contacting HP.............................................................................................................. 8-2

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Contents
Calling HP Sales and Service Offices......................................................................................8-3
Returning Your Signal Generator for Service..........................................................................8-5
Blue Repair Tags......................................................................................................................8-7
9 Safety and Regulatory
Safety Notes.............................................................................................................................9-2
General Safety Considerations ................................................................................................9-3
Lithium Battery Disposal.........................................................................................................9-4
Warranty...................................................................................................................................9-5
Assistance ................................................................................................................................9-6
Notice.......................................................................................................................................9-7
Certification.............................................................................................................................9-8
Index

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Contents

1-1
1 Initial Troubleshooting and Overall Block Diagram
This chapter will help you begin troubleshooting your signal generator. The procedures in this chapter
primarily check your instrument for failures that affect the power supplies or CPU function. An overall
block diagram of your signal generator is at the end of this chapter.