UHF1 Circuit Board and Schematic Diagram
3-5
3.1
UHF1 Circuit Board/Schematic Diagrams and Parts List
40
J200
1
B503
3
FL201
TP201
C247
C251
C285
C289
C370
C374
C386
C248
C273
C286
C276
C253
C271
C272
L282
3
L243
1
L273
3
L253
1
L271
L321
Q261
3
4
Q241
R333
R339
R243
R248
R253
R260
SH241
C210
C211
C212
C213
C214
C220
C230
C257
C260
C294
C292
C229
C203
C217
C235
C228
C233
C238
C297
C291
CR201
L201
L202
L203
L232
Q210
3
4
Q260
3
4
R256
R255
SH201
U247
B504
C522
FL301
PB502
R352
VR441
C325
C324
C323
L311
R351
SH323
C328
C554
C396
C391
C397
PB501
Q315
Q316
R326
R300
R314
R316
R318
R319
R325
R327
R334
R335
R338
R
T300
RT301
VR300
VR444
C331
C333
CR308
R342
R317
R336
TP202
TP302
C375
C320
C381
C319
C322
L309
L310
R309
R308
R310
R348
SH303
T301
3
4
6
T302
3
4
6
C110
C114
C118
C119
C121
C122
C125
C160
C165
C166
C171
C112
C113
C115
C117
C116
C120
C161
C127
C131
C129
C169
L114
L115
L106
L107
L108
L109
L113
L160
R103
R104
R106
R107
R108
R120
R171
R161
R173
SH101
U101
9
8
16
1
C109
C111
3
2
Q110
1
C101
C141
C102
C104
C103
C106
C107
CR101
CR102
L101
L102
L104
L105
SH100
C308
C511
C512
C514
C302
C301
C520
C303
C304
C305
CR301
CR302
L301
L302
PB505
R301
R302
SH301
VR443
C362
C384
C385
C364
C351
C349
C350
C352
C353
C354
C363
CR310
L325
L332
Q320
R355
R322
R345
R320
R321
R324
R346
SH321
C521
PB504
VR440
C505
C502
Q505
R506
R507
R505
VR501
C513
CR503
2
3
4
Q502
R501
R502
C140
L116
UHF1 (403-470MHz) Main Board Top Side PCB No. 8404077G01
Summary of Contents for GP-688
Page 5: ...Compact Professional Portable Radios Service Maintainability Issue July 2007 ...
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Page 24: ...2 6 MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 32: ...3 8 SERVICE AIDS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 34: ...4 2 POWER UP SELF TEST THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 38: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 52: ...2 10 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 64: ...3 12 CONTROLLER KEYPAD SCHEMATICS ...
Page 112: ...3 60 PCB and Schematic Drawings IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 116: ...3 64 PCB and Schematic Drawings IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 120: ...3 68 PCB and Schematic Drawings IP67 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 147: ...Compact Professional Portable Radios VHF 136 174MHz Service Information Issue July 2007 ...
Page 150: ...iv ...
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Page 192: ...3 20 VHF PCB Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 335: ...Compact Professional Portable Radios UHF2 450 527MHz Service Information Issue July 2007 ...
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Page 348: ...1 10 THEORY OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 356: ...2 8 TROUBLESHOOTING CHARTS THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 360: ...3 4 UHF2 PCB SCHEMATICS PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 388: ...3 32 UHF2 PCB and Schematic Diagrams EPP THIS PAGE INTENTIONALLY LEFT BLANK ...
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