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M9703A
Keysight Technologies M9703A User Manual
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Service
Guide
Keysight UXG X-Series Agile
Signa
l Generators
N5191A
N5193A
2
Table of Contents
1. Troubleshooting
5
Default Chapter
5
Table of Contents
5
1 Troubleshooting
11
Before Troubleshooting
11
ESD Information
12
Contacting Keysight Technologies
13
Returning a Signal Generator for Service
14
Overall Description
15
Overall Block Diagram
16
Assemblies and Modules
17
A1 Front Panel
18
A2 Power Supply
19
A3 Fan Module
19
A4 Mother Board
19
A5 Infrastructure Board
20
A6 CPU Carrier
20
A7 Cpu
20
A10 Midplane
21
A11 Reference Module
21
A12 DAC Board
21
A8 Solid State Drive
21
A9 External Pcie I/O Board
21
A13 Rear Panel I/O Port Module
22
A14 Lowband/Highband Switch
22
A15 RF Deck Interface
22
A16 Frequency Multiplier
23
A17 Agile Mod/Filter
23
A18 Lowband Output Module
24
A19 40 Ghz Doubler (Option 540/54E)
24
A20 Output Leveling Module
24
RF Output Connector
24
Frequency Generation
25
Rear Panel
25
Getting Started with Troubleshooting
28
Self Test Overview
30
Running Self Test
32
Run Self Test Using the Front Panel
32
Self-Tests 5Xx: A12 DAC Board Self-Test Errors
37
Unable to Run Self-Test Check (Instrument Does Not Power-On)
38
Boot-Up Routine
39
The Green Front Panel Power Switch LED or Yellow Standby LED Is Not Working
43
A1 LCD Display Appears to be Inoperative (Dark)
44
Check Line Module and Cable
44
Troubleshooting Assembly Level Problems
44
A2 Power Supply Troubleshooting
45
A3 the Fans Are Not Working
46
A5 Infrastructure Board Troubleshooting
46
Check A8 Solid State Drive
46
A6 CPU Carrier and A7 CPU Assembly Troubleshooting
47
Front Panel Hardkeys or Softkeys Are Not Functioning
48
Blank or Missing Pixels
49
The Screen Saver Is Not Functioning
50
No LAN Activity
51
No Front Panel USB Activity
52
No Rear-Panel USB Activity
53
No GPIB Activity
54
Error Messages
55
Troubleshooting Unlevels
56
Troubleshooting the RF Path
58
Troubleshooting the RF Path Procedure
58
Troubleshooting Harmonic Spurious
62
Troubleshooting Harmonic Spurious by Fundamental Frequency
63
To Verify Harmonic Performance at the RF Output
64
Troubleshooting Non-Harmonic Spurious
65
2 Replaceable Parts
67
Ordering Information
67
Order Parts Fast
67
Shipping a Defective Assembly Back to Keysight Technologies
68
Frequency and Hardware Options
69
Assemblies, Cables, and Hardware
70
Table 2-2 Cables
75
Default Chapter
77
Hardware
77
W14 Cable Assembly - RF, Semi-Rigid, Multiplier High Band Output to Mod Filter N5191-20126
90
High Band Input
90
W15 Cable Assembly - RF, Semi-Rigid, Mod Filter Low Band Output to Low Band N5191-20239
90
Board Input
90
NOTE: for Instruments with Serial Prefix < My/Sg/Us5619Xxxx, Cables W12
91
W16 Cable Assembly - RF, Semi-Rigid, Mod Filter Output to Coupler Input, N5191-20129
91
Option 520/52E, with Attenuators
91
Option 540/54E, 2.4 MM Connector, UNM
92
W23 Cable Assembly - RF, Semi-Rigid, Mod Filter Output to 40 Ghz Doubler N5191-20240
93
Input, Option 540/54E
93
W25 Cable Assembly - RF, Semi-Rigid, Low Band Board Output to 40 Doubler N5191-20241
93
Low Band Input, Option 540/54E
93
W30 Cable Assembly, Line Voltage N5191-60102
97
Miscellaneous
100
Documentation
100
Electrostatic Discharge (ESD) Protective Supplies
100
Abbreviations Used in Part Descriptions
101
3 Assembly Replacement
103
Before You Replace an Assembly
103
Tools You will Need
104
Assembly Removal and Installation Overview
105
Assembly Removal and Installation Procedure
105
After Replacing or Repairing an Assembly
107
Assemblies You Can Replace
108
Outer Cover
109
Tools Required
109
Removal Procedure
109
Replacement Procedure
110
Inner Bottom Covers
111
Tools Required
111
Removal Procedure
111
Replacement Procedure
111
Front Frame
113
Tools Required
113
Removal Procedure
113
Replacement Procedure
117
A2 Power Supply
118
Tools Required
118
Removal Procedure
118
Replacement Procedure
120
Microdeck Assembly
121
Tools Required
121
Removal Procedure
121
Replacement Procedure
124
Microdeck Sub-Assemblies
125
A16 Frequency Multiplier
125
A17 Agile Mod/Filter
125
A18 Lowband Output Module
125
A19 40 Ghz Doubler - Option 540/54E Only
125
A20 Output Leveling Assembly
125
A16 Frequency Multiplier
127
A17 Agile Mod/Filter
129
A18 Lowband Output Module
131
A19 40 Ghz Doubler - Option 540/54E Only
133
A20 Output Leveling Assembly
135
A3 Fan Module
145
Tools Required
145
Removal Procedure
145
Replacement Procedure
146
Rear Panel Plugins
147
Tools Required
147
Removal Procedure
147
Replacement Procedure
147
Cpu
148
Tools Required
148
Removal Procedure
148
Replacement Procedure
150
CPU Board Replacement
151
Finalize CPU Installation
152
Dac/Reference/Lb Switch Assembly
154
Removal Procedure
154
Tools Required
154
Dac/Reference/Lb Switch Disassembly
158
Replacement Procedure
158
Rear Panel
161
Removal Procedure
161
Tools Required
161
Replacement Procedure
163
RF Connector
164
Removal Procedure
164
Tools Required
164
Replacement Procedure
166
4 Post-Repair Procedures and Operational Performance Verification
167
Post Repair Procedures
167
Assemblies A1 - A19
167
Assembly A20
168
Post Repair Adjustments Table
170
Post Repair Performance Tests Table
171
5 Safety and Regulatory
173
General Safety Considerations
174
Lithium Battery Disposal
176
Assistance
176
Certification
176
6 Instrument History
177
How to Use this Chapter
177
December 3, 2015
178
July 30, 2015
178
June 2016
178
May 2017
178
December 9, 2014
179
Other manuals for Keysight Technologies M9703A
Startup Guide
36 pages
Firmware Upgrade Guide
12 pages
4
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Keysight Technologies M9703A Specifications
General
Brand
Keysight Technologies
Model
M9703A
Category
Portable Generator
Language
English
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