3-6
UHF2 PCB and Schematic Diagrams
2
S502
3
5
4
4
C
8
C
S501
2
J101
4
3
2
J102
C108
C132
C173
C172
CR103
CR105
H101
M100
P100
Q111
3
4
R101
R170
R133
R172
C309
C315
C321
C395
C313
C317
C307
C310
C314 C306
C31
1
C380
C316
C312
C318
CR304
CR305
CR303
L340
L303
L306
L307
L304
L305
Q301
R306
R307
R340
R347
R303
R304
R305
R328
SH302
C337
C383
C390
C329
C336
C344
C345
C346
C347
C348
C334
C356
C339
C340
C341
C342
C343
C357
C360
C355
C358
C359
C361
C382
L314
L331
R343
R350
R344
SH322
13
25
37
1
U301
M301
B501
32
1
C327
C503
C330
C326
C338
L330
Q302
R315
R311
R312
R313
C130
C138
C151
C170
C123
C126
C128
C150
C152
CR306
CR501
E101
F501
L1
12
R102
R329
SH304
VR439
C105
C174
C133
C135
C134
R109
R130
R131
R132
25
9
17
U102
1
C241
C246
C255
C281
C295
C372
C371
C373
C378
C242 C243
C250
C244
C245
C252
C254
CR241
CR242
CR243
CR251
L241
L251
L281
L242
M300
Q310
R330
R332
R1
10
R1
12
R
111
R349
R242
R241
R244
R245
R251
R252
R254
R331
SH242
U241
10
20
1
11
C201
C264
C218
C223
C224
C231
C296
C298
C202
C265
C204
C206
C207
C208
C219
C232
C234
C258
C259
C263
C293
CR203
L261
R204
R281
R202
R201
R231
R232
R233
SH202
13
25
37
1
U201
U210
3
4
U211
3
4
C277
C215
C279
C522
C523
C278
L505
M101
R205
U248
VR441
VR442
VR506
Y201
4
3
2
C525
C526
C527
C528
C529
C530
C531
C532
C533
C534
C535
C536
C537
C538
C539
C540
C541
C542
C543
C544
C545
C546
C547
C548
C549
C550
C551
C552
C553
C555
R509
R510
R51
1
1
UHF2 (450-527MHz) Main Board Bottom Side PCB No. 8404102G03/G04/G05
Summary of Contents for GP-688
Page 5: ...Compact Professional Portable Radios Service Maintainability Issue July 2007 ...
Page 14: ...x THIS PAGE INTENTIONALLY LEFT BLANK ...
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 284: ...3 26 UHF1 PCB and Scematics Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...
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Page 318: ...3 60 UHF1 PCB and Schematic Diagrams THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 335: ...Compact Professional Portable Radios UHF2 450 527MHz Service Information Issue July 2007 ...
Page 338: ...iv THIS PAGE INTENTIONALLY LEFT BLANK ...
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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