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Portable Generator
E8257C
Agilent Technologies E8257C User Manual
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2-27
Assembly Replacement
A10 ALC
F
igure
2-11
A10 ALC
W13/A10J201
W55/A10J303
W4/A10J4
W14/A10J5
Option 540 - W15/
A10J3
A10
Option 520 - W82/A10J3
151
153
Table of Contents
Table of Contents
3
Troubleshooting
11
Electrostatic Discharge (ESD) Information
12
Handling of Electronic Components and ESD
12
Getting Started with Troubleshooting
13
Running Self-Test
13
A18 CPU Turn-On Test
14
Failure Symptoms
14
A2 Display Not Functioning or A2 Display Not Functioning after Turn-On
14
A18 CPU Fails to Complete the Turn-On Check
14
Checking the A18 CPU Voltages
15
Verifying the A18 CPU Turn-On Sequence
15
No Instrument Control from the Front Panel
16
Error Messages
16
Self-Test Failures and Related Troubleshooting
17
Troubleshooting Assembly-Level Problems
20
Front Panel Display Assembly Troubleshooting
21
Power Supply Troubleshooting
27
Self-Tests 1Xx for the A13 I/Q Multiplexer
40
Self-Tests 2Xx: A5 Sampler Self-Test Errors
42
Self-Tests 3Xx: A7 Reference (Standard) Self-Test Errors
44
Self-Tests 4Xx: A8 Output Self-Test Errors
45
Self-Tests 6Xx: A9 YIG Driver Self-Test Errors
48
Self-Tests 7Xx: A6 Frac-N Self-Test Errors
51
Self-Tests 9Xx: A10 ALC Self-Test Errors
55
Self-Tests 10Xx: A7 Reference (Option UNR) Self-Test Errors
57
Self-Tests 11Xx: A18 CPU Self-Test Errors
59
Self-Tests 12Xx: A26 MID Self-Test Errors
61
Self-Tests 13Xx: A11 Analog/Pulse Modulation Generator Self-Test Errors
66
Self-Tests 16Xx for the A14 Baseband Generator (Option 002/602)
69
Self-Tests 22Xx: A8 Output Self-Test Errors
72
Troubleshooting Unlocks
74
A6 Frac-N Loop Unlock
74
513 1 Ghz out of Lock
74
514 Reference Oven Cold
74
515 10 Mhz Signal Bad
75
520 Sampler Unlocked
75
521 YO Loop Unlocked
75
625 Internal Pulse Generator Unlock
76
626 Internal Mod Source Unlock
76
Troubleshooting Unlevels
77
Troubleshoot and Correct any Unlock Problems before Troubleshooting Unleveled Problems
77
Troubleshooting Adjustment Problems
81
Troubleshooting ADC Adjustment Failures
83
Troubleshooting Performance Test Problems
84
Troubleshooting the RF Path
86
ALC and RF Problems
86
Troubleshooting Pulse Modulation
87
Troubleshooting AT1 Attenuator
89
Troubleshooting Harmonic Spurious
90
20 Ghz Models
90
40 Ghz Models Only
91
Troubleshooting Non-Harmonic Spurious
93
Troubleshooting Option UNR Phase Noise
94
Overall Description
95
A19 Power Supply
95
A18 Cpu
96
Input/Output Interface
96
Frequency Generation
97
Reference/Synthesis Loop Description
103
A7 Reference
104
A5 Sampler (CW Mode Only)
105
A6 Frac-N
105
A9 YIG Driver
106
A28 YIG Oscillator (YO)
107
A29 20 Ghz Doubler
107
Reference/Synthesis Loop
107
RF Path Description (Frequency Generation, Level Control, and Modulation)
110
A29 20 Ghz Doubler
110
A6 Frac-N
111
A8 Output
111
A30 Modulation Filter
112
A27 40 Ghz Doubler (Analog Models Only)
112
A23 Lowband Coupler/Detector, A24 Highband Coupler, and A25 High Band Detector
112
Ghz Fast Pulse Modulator (Option 1E6)
113
A35 3-20 Ghz I/Q Modulator (Vector Models Only)
113
ALC Loop
113
Modulation (AM, FM, ΦM, and Pulse)
114
Digital Modulation
115
Approximate Device Gains and Losses
117
Self-Test Overview
120
How Self-Test Works
120
Independent Failures
120
Contacting Agilent Technologies
121
Agilent Sales and Service Offices
123
Packaging a Signal Generator for Return
124
Assembly Replacement
126
Before You Replace an Assembly
127
After Replacing or Repairing an Assembly
127
Assemblies that You Can Replace
128
Outer Instrument Cover
130
Tools Required
130
Removal Procedure
130
Replacement Procedure
130
Inner Instrument Cover
132
Tools Required
132
Removal Procedure
132
Replacement Procedure
132
Front Panel
134
Tools Required
134
Removal Procedure
134
Replacement Procedure
135
A1 Keyboard
137
Tools Required
137
Removal Procedure
137
Replacement Procedure
137
A2 Display
139
Tools Required
139
Removal Procedure
139
Replacement Procedure
139
A2DS1 Display Backlight
141
Tools Required
141
Removal Procedure
141
Replacement Procedure
141
A3 Power Switch
143
Tools Required
143
Removal Procedure
143
Replacement Procedure
143
A4 Inverter
145
Tools Required
145
Removal Procedure
145
Replacement Procedure
145
A5 Sampler, A6 Frac-N, A7 Reference (Standard and Option UNR), and A8 Output
147
Tools Required
147
Removal Procedure
147
Replacement Procedure
147
A9 YIG Driver
149
Tools Required
149
Removal Procedure
149
Replacement Procedure
149
A10 Alc
151
Tools Required
151
Removal Procedure
151
Replacement Procedure
151
A11 Pulse/Analog Modulation Generator
153
Tools Required
153
Removal Procedure
153
Replacement Procedure
153
A12 Pulse Modulator Board (Option 1E6)
155
Tools Required
155
Removal Procedure
155
Replacement Procedure
155
A13 I/Q MUX (E8267C Models Only)
157
Tools Required
157
Removal Procedure
157
Replacement Procedure
157
A14 Baseband Generator (E8267C Models Only)
159
Tools Required
159
Removal Procedure
159
Replacement Procedure
159
A17 Baseband Generator Interface (E8267C Models Only)
161
Tools Required
161
Removal Procedure
161
Replacement Procedure
161
A18 Cpu
163
Tools Required
163
Removal Procedure
163
Replacement Procedure
163
A18Bt1
165
Tools Required
165
Removal Procedure
165
Replacement Procedure
165
A19 Power Supply
167
Tools Required
167
Removal Procedure
167
Replacement Procedure
167
Rear Panel (Standard)
169
Tools Required
169
Removal Procedure
169
Replacement Procedure
170
Rear Panel (Option 1EM)
172
Tools Required
172
Removal Procedure
172
Replacement Procedure
173
A20 SMI (Source Module Interface)
175
Tools Required
175
Removal Procedure
175
Replacement Procedure
175
A21 Rear-Panel Interface
177
Tools Required
177
Removal Procedure
177
Replacement Procedure
177
A22 Line Module
179
Tools Required
179
Removal Procedure
179
Replacement Procedure
179
AT1 115 Db Attenuator
181
Tools Required
181
Removal Procedure
181
Replacement Procedure
181
AT1 115 Db Attenuator (Option 1EM)
183
Tools Required
183
Removal Procedure
183
Replacement Procedure
183
A23 Lowband Coupler/Detector
185
Tools Required
185
Removal Procedure
185
Replacement Procedure
185
A24 20 Ghz Highband Coupler (Option 520 Only)
187
Tools Required
187
Removal Procedure
187
Replacement Procedure
187
A24 40 Ghz Highband Coupler (Option 540 Only)
189
Tools Required
189
Removal Procedure
189
Replacement Procedure
189
A25 20 Ghz Highband Detector
191
Tools Required
191
Removal Procedure
191
Replacement Procedure
191
A25 40 Ghz Highband Detector (Option 540 Only)
193
Tools Required
193
Removal Procedure
193
Replacement Procedure
193
A25B Highband Detector Bias Board
195
Tools Required
195
Removal Procedure
195
Replacement Procedure
195
A26 MID (Microcircuit Interface Deck)
197
Tools Required
197
Removal Procedure
197
Replacement Procedure
197
A27 40 Ghz Doubler (Option 540 Models Only)
199
Tools Required
199
Removal Procedure
199
Replacement Procedure
199
A28 YIG Oscillator
201
Tools Required
201
Removal Procedure
201
Replacement Procedure
201
A29 20 Ghz Doubler
203
Tools Required
203
Removal Procedure
203
Replacement Procedure
203
A30 Modulation Filter (Standard and Option 1EA)
205
Tools Required
205
Removal Procedure
205
Replacement Procedure
206
A31 Motherboard (E8247C/57C)
208
Tools Required
208
Removal Procedure
208
Replacement Procedure
209
A31 Motherboard (E8267C)
211
Tools Required
211
Removal Procedure
211
Replacement Procedure
212
A32 10 Mhz Crystal Oscillator (Option UNR)
215
Tools Required
215
Removal Procedure
215
Replacement Procedure
215
A33 6 Db PAD
217
Tools Required
217
Removal Procedure
217
Replacement Procedure
217
A34 Internal Hard Drive (E8267C Models Only)
219
Tools Required
219
Removal Procedure
219
Replacement Procedure
219
A35 3-20 Ghz I/Q Modulator (E8267C Models Only)
221
Tools Required
221
Removal Procedure
221
Replacement Procedure
221
B1 Fan
223
Tools Required
223
Removal Procedure
223
Replacement Procedure
223
Replaceable Parts
226
Ordering Information
227
Call (800) 227-8164 to Order Parts Fast (U.S. Only)
227
Save Money with Rebuilt-Exchange Assemblies
228
Shipping a Defective Assembly Back to Agilent Technologies
229
Frequency, Hardware, and Personality Options
230
Assemblies and Hardware Options
231
Assemblies from the Inside Front Panel View
234
Assemblies from a Top View
235
Assemblies from the Inside Rear Panel View
237
Assemblies from a Microcircuit Deck View
239
Assemblies from a Bottom View
241
A18BT1 Lithium Battery
243
Cables
244
Hardware
249
Front Panel View
250
Disassembled Front Panel View
252
Disassembled Rear Panel View
254
Disassembled Rear Panel View
255
Disassembled A32 10 Mhz Crystal Oscillator (Option UNR)
257
Disassembled AT1 115 Db Attenuator View (Option 1E1)
259
Disassembled A24 20 Ghz Highband Coupler and A25B Highband Detector Bias Board
260
Disassembled A24 40Ghz Highband Coupler and A25B Highband Detector Bias Board
261
Microcircuit Interface Deck Top View
262
Main Chassis and MID Bottom View
264
MM RF Output Connector (Option 540 Only)
267
APC 3.5 RF Output Connector (Option 520 Only)
268
Type-N RF Output Connector (Option 1ED Models Only)
269
Main Chassis with Inside Cover and Right-Side Support Wall
270
Outer and Inner Instrument Covers and Associated Parts
271
Miscellaneous
273
Accessories
273
Documentation
273
Electrostatic Discharge (ESD) Protective Supplies
274
Abbreviations Used in Part Descriptions
275
Post-Repair Procedures
276
Post-Repair Procedures Matrix
277
Safety and Regulatory
284
General Safety Considerations
285
Lithium Battery Disposal
286
Assistance
286
Certification
286
Other manuals for Agilent Technologies E8257C
Installation Guide
36 pages
Programming Guide
198 pages
4
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Agilent Technologies E8257C Specifications
General
Brand
Agilent Technologies
Model
E8257C
Category
Portable Generator
Language
English
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