Anritsu 682XXB User Manual Page 234
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- TROUBLESHOOTING
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Step 9 Disconnect the cable assembly from the
A21 Line Filter/Rectifier PCB at connec
-
tor P2 on the A19 PCB.
Step 10 Carefully pull the rear panel assembly
away from the signal generator chassis
until the cable connections to the Mother
-
board are accessable.
Step 11 Disconnect the fan cable connector from
J13 on the Motherboard.
Step 12 Disconnect the A21-1 PCB ribbon cable
connector from J14 on the Motherboard.
Step 13 Disconnect the GPIB cable connector from
J16 on the Motherboard.
Step 14 Carefully pull the rear panel assembly
completely free from the 682XXB/683XXB
chassis.
Step 15 To replace the rear panel assembly, re-
verse the removal process.
6-14 682XXB/683XXB MM
REMOVAL AND REAR PANEL
REPLACEMENT PROCEDURES ASSEMBLY
- 682XXB/683XXB 1
- SYNTHESIZED SIGNAL GENERATORS 1
- MAINTENANCE MANUAL 1
- WARRANTY 2
- LIMITATION OF WARRANTY 2
- TRADEMARK ACKNOWLEDGEMENTS 2
- Table Of Contents 5
- Chapter 4 - Calibration 8
- Chapter5-Troubleshooting 9
- Appendix A - Test Records 10
- Table of Contents (Continued) 10
- Table of Contents 11
- Chapter 1 11
- General Information 11
- GENERAL 682XXB/683XXB 14
- INFORMATION MODELS 14
- 1-4 IDENTIFICATION 15
- GENERAL ELECTRONIC 16
- INFORMATION MANUAL 16
- GENERAL OPTIONS 17
- INFORMATION 17
- 1-8 LEVEL OF 18
- 1-9 PREVENTIVE 19
- 1-10 STATIC-SENSITIVE 19
- 1-10 682XXB/683XXB MM 20
- 1-11 STARTUP 21
- 1-12 RECOMMENDED TEST 22
- GENERAL RECOMMENDED 23
- INFORMATION TEST EQUIPMENT 23
- 1-13 EXCHANGE 24
- 1-14 REPLACEABLE 24
- INFORMATION PARTS LIST 25
- INFORMATION SERVICE CENTERS 28
- GENERAL ANRITSU 28
- Chapter 2 29
- Functional Description 29
- FUNCTIONAL 682XXB/683XXB 32
- DESCRIPTION MAJOR SUBSYSTEMS 32
- FUNCTIONAL FREQUENCY 37
- DESCRIPTION SYNTHESIS 37
- 2-4 ALC/AM/PULSE 43
- FUNCTIONAL ALC/AM/PULSE 44
- DESCRIPTION MODULATION 44
- FUNCTIONAL RF DECK 47
- DESCRIPTION ASSEMBLIES 47
- Chapter 3 61
- Performance Verification 61
- PERFORMANCE RECOMMENDED 64
- VERIFICATION TEST EQUIPMENT 64
- 3-5 682XXB/683XXB POWER 66
- PERFORMANCE 682XXB/683XXB 67
- VERIFICATION POWER LEVELS 67
- 3-6 INTERNAL TIME BASE 68
- VERIFICATION AGING RATE TEST 69
- 3-7 FREQUENCY 71
- PERFORMANCE FREQUENCY 72
- VERIFICATION SYNTHESIS TESTS 72
- 3-8 SPURIOUS SIGNALS 74
- 682XXB/683XXB MM 3-15 75
- 3-16 682XXB/683XXB MM 76
- 682XXB/683XXB MM 3-17 77
- 3-9 HARMONIC TEST: RF 78
- 682XXB/683XXB MM 3-19 79
- 3-20 682XXB/683XXB MM 80
- 682XXB/683XXB MM 3-21 81
- 3-10 SINGLE SIDEBAND 82
- PERFORMANCE SINGLE SIDEBAND 83
- VERIFICATION PHASE NOISE TEST 83
- 3-11 POWER LEVEL 86
- 682XXB/683XXB MM 3-27 87
- 3-28 682XXB/683XXB MM 88
- 682XXB/683XXB MM 3-29 89
- 3-12 AMPLITUDE 90
- PERFORMANCE AMPLITUDE 91
- VERIFICATION MODULATION TEST 91
- 3-13 FREQUENCY 93
- 3-14 PULSE MODULATION 99
- 3-40 682XXB/683XXB MM 100
- 3-42 682XXB/683XXB MM 102
- 3-15 PULSE MODULATION 103
- 3-44 682XXB/683XXB MM 104
- 3-16 PULSE MODULATION 105
- VERIFICATION RF ON/OFF RATIO 106
- 3-17 PHASE MODULATION 108
- PERFORMANCE PHASE 109
- VERIFICATION MODULATION TESTS 109
- Chapter 4 111
- Calibration 111
- 4-4 CALIBRATION 114
- 4-5 CONNECTOR AND KEY 114
- RECOMMENDED 115
- CALIBRATION TEST EQUIPMENT 115
- CALIBRATION FOLLOWING 116
- CALIBRATION INITIAL SETUP 117
- 4-7 PRELIMINARY 123
- PRELIMINARY 124
- CALIBRATION CALIBRATION 124
- 4-8 SWITCHED FILTER 127
- SWITCHED FILTER 128
- RF LEVEL 132
- 4-10 ALC SLOPE 133
- ALC SLOPE 134
- ALC BANDWIDTH 141
- PHASE MODULATION 161
- CALIBRATION (FM) CALIBRATION 161
- Chapter 5 167
- Troubleshooting 167
- SELF-TEST 170
- ERROR AND WARNING/ 173
- 5-4 MALFUNCTIONS NOT 176
- 5-5 TROUBLESHOOTING 176
- CONNECTOR AND 177
- TROUBLESHOOTING 178
- TROUBLESHOOTING TABLES 178
- Chapter 6 221
- Removal and Replacement 221
- Procedures 221
- 6-2 REMOVING AND 224
- REMOVAL AND CHASSIS 225
- REPLACEMENT PROCEDURES COVERS 225
- 6-3 REMOVING AND 226
- 682XXB/683XXB MM 6-7 227
- 6-4 REMOVING AND 228
- REMOVAL AND PCB AND COMPONENT 229
- 6-5 REMOVING AND 230
- 6-6 REMOVING AND 230
- 6-7 REMOVING AND 231
- 6-8 REMOVING AND 231
- 6-9 REMOVING AND 232
- 6-10 REMOVING AND 233
- REMOVAL AND REAR PANEL 234
- 682XXB/683XXB MM 6-15 235
- 6-11 REMOVING AND 236
- 6-12 REMOVING AND 237
- 6-13 REMOVING AND 238
- Appendix A 239
- Test Records 239
- 682XXB/683XXB MM A-3 241
- TEST MODEL 242
- RECORD 68237B/68337B 242
- 682XXB/683XXB MM A-15 253
- 682XXB/683XXB MM A-19 257
- RECORD 68245B/68345B 258
- 682XXB/683XXB MM A-33 271
- 682XXB/683XXB MM A-37 275
- RECORD 68247B/68347B 276
- 682XXB/683XXB MM A-51 289
- 682XXB/683XXB MM A-55 293
- RECORD 68253B/68353B 294
- 682XXB/683XXB MM A-69 307
- 682XXB/683XXB MM A-73 311
- RECORD 68255B/68355B 312
- 682XXB/683XXB MM A-89 327
- 682XXB/683XXB MM A-93 331
- RECORD 68259B/68359B 332
- 682XXB/683XXB MM A-109 347
- 682XXB/683XXB MM A-113 351
- RECORD 68263B/68363B 352
- 682XXB/683XXB MM A-127 365
- 682XXB/683XXB MM A-131 369
- RECORD 68265B/68365B 370
- 682XXB/683XXB MM A-147 385
- 682XXB/683XXB MM A-151 389
- RECORD 68269B/68369B 390
- 682XXB/683XXB MM A-167 405
- 682XXB/683XXB MM A-171 409
- RECORD 68275B/68375B 410
- 682XXB/683XXB MM A-185 423
- 682XXB/683XXB MM A-189 427
- RECORD 68277B/68377B 428
- 682XXB/683XXB MM A-203 441
- 682XXB/683XXB MM A-207 445
- RECORD 68285B/68385B 446
- 682XXB/683XXB MM A-221 459
- 682XXB/683XXB MM A-225 463
- RECORD 68287B/68387B 464
- 682XXB/683XXB MM A-239 477
- 682XXB/683XXB MM A-243 481
- RECORD 68295B/68395B 482
- 682XXB/683XXB MM A-255 493
- 682XXB/683XXB MM A-259 497
- RECORD 68297B/68397B 498
- 682XXB/683XXB MM A-271 509
- Subject Index 513
- Index 2 682XXB/683XXB MM 514
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