Motorola PR860 Detailed Service Manual page 134

Two-way portable radio
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Schematic Diagrams, Overlays, and Parts Lists: UHF Band 2
Circuit
Motorola Part
Description
Ref
No.
R303
0662057M78
1500
R304
0662057N01
12K
R305
0662057M66
470
R306
0662057N23
100K
R307
0662057N23
100K
R308
0662057M43
51
R309
0662057M01
0
R310
NOT PLACED
R311
0662057N11
33K
R312
0662057M90
4700
R313
0662057M62
330
R314
0662057M79
1600
R315
0662057N01
12K
R320
NOT PLACED
R321
0662057N01
12K
R322
0662057M74
1000
R324
0662057N25
120K
R328
0662057M12
2.7
R329
0662057M01
0
R330
0662057M98
10K
R331
0662057M57
200
R332
0662057N01
12K
R333
NOT PLACED
R339
0662057M89
4300
R340
0662057M96
8200
R342
0662057N23
100K
R344
0662057M43
51
R345
0662057N13
39K
R346
0662057N03
15K
R348
0662057M87
3600
R349
0662057C01
0
R350
0662057M98
10K
R355
0662057N23
100K
R358
0662057M74
1000
R359
NOT PLACED
R360
0662057N06
20K
R361
0662057N06
20K
R363
0662057M64
390
R364
0662057M80
1800
R365
0662057M76
1200
R366
0662057N01
12K
R367
0662057V04
12K
R368
0662057V02
10K
R369
0662057M70
680
R370
0662057M01
0
R371
NOT PLACED
R372
NOT PLACED
R373
NOT PLACED
R374
NOT PLACED
R375
NOT PLACED
R376
NOT PLACED
R377
NOT PLACED
R378
NOT PLACED
R400
0662057N15
47K
R401
0662057M01
0
R402
NOT PLACED
Circuit
Motorola Part
Description
Ref
No.
R403
NOT PLACED
R405
0662057M01
0
R406
0662057N20
75K
R407
0662057N19
68K
R408
NOT PLACED
R409
0662057M98
10K
R410
0662057N23
100K
R411
0662057M98
10K
R413
0662057M01
0
R414
0662057V34
180K
R415
0662057V26
91K
R416
0662057M98
10K
R418
0662057M01
0
R419
0662057M67
510
R420
NOT PLACED
R421
0662057M81
2000
R423
0662057N39
470K
R424
0662057N12
36K
R425
0662057N10
30K
R426
NOT PLACED
R427
0662057M84
2700
R428
0662057M10
2.2
R429
0662057N20
75K
R431
0662057N39
470K
R432
0662057N16
51K
R434
0662057M62
330
R435
0662057M81
2000
R436
0662057M01
0
R437
NOT PLACED
R445
0662057N08
24K
R447
0662057N23
100K
R448
0662057M98
10K
R449
0662057N08
24K
R450
0683962T45
68
R451
0662057N03
15K
R452
0662057N23
100K
R453
NOT PLACED
R454
NOT PLACED
R455
NOT PLACED
R456
0662057M01
0
R457
0662057M98
10K
R460
0662057M90
4700
R461
NOT PLACED
R462
NOT PLACED
R463
0662057M61
300
R471
0662057N06
20K
R472
0662057N12
36K
R473
0662057M26
10
R475
0662057M01
0
R476
0662057N35
330K
R477
0662057M74
1000
R478
0662057M98
10K
R481
0662057N08
24K
R492
0662057M01
0
R498
0662057M98
10K
R499
0662057M98
10K
Circuit
Motorola Part
Description
Ref
No.
R501
0662057M70
680
R502
0662057M56
180
R505
0662057M98
10K
R506
0662057N15
47K
R507
0662057M01
0
RT400
0680590Z01
Thermistor_33K
S501
4080710Z01
Frequency Switch
S502
1880619Z02
Volume / On-off Switch
SH100
2680507Z01
Harmonic Filter Shield
SH101
2680510Z01
PA Shield
SH201
2680511Z01
Synthesizer Top Shield
SH202
2680511Z01
Synthesizer Bottom Shield
SH241
2604120G01
VCO Resonators Shield
SH242
2680514Z01
VCO Buffer IC Shield
SH301
2686583Z01
Receiver Front-End Shield
SH302
2680555Z01
Receiver Back-End Bottom Shield
SH303
2680509Z01
Mixer Shield
SH304
2680624Z01
Mixer Diode Shield
SH322
2686528Z01
IFIC Shield
SH323
2686527Z01
Crystal Filter Shield
SH400
2680505Z01
Controller Memory Shield
SH401
2680506Z01
Controller On-off Shield
SH402
2680515Z01
Microprocessor Shield
SH403
2680516Z01
Asfic_Cmp, Audio PA Shield
T301
2580541Z02
Balun Transformer
T302
2580541Z02
Balun Transformer
U101
5185130C65
LDMOS PA Driver
U102
5185765B26
PCIC
U201
5185963A27
LVFRACN Synthesizer IC
U210
5102463J61
Inverter
U211
5102463J61
Inverter
U241
5105750U54
VCO Buffer IC
U247
5105739X05
5V Regulator
U248
5102463J58
3.3V Regulator
U301
5186144B01
FM IFIC SA616
U302
5109522E10
LMOS Inverter
U303
NOT PLACED
U400
5102463J40
3.3V Regulator
U404
5185130C53
ASFIC_CMP IC
U405
5102463J36
Static RAM 32K X 8
U406
5102463J60
Flash ROM 512K X 8
U407
5102495J05
EEPROM 16K X 8
U409
5102226J56
Micro Processor
U410
NOT PLACED
U420
5102463J44
Audio PA
VR432
4805656W08
5.6V Zener
VR433
4805656W08
5.6V Zener
VR434
4802245J73
Zener Diode 6.8V
VR439
4880140L17
Zener Diode 12V
VR440
4802245J73
Zener Diode 6.8V
VR441
4802245J73
Zener Diode 6.8V
VR442
4802245J73
Zener Diode 6.8V
VR443
4802245J73
Zener Diode 6.8V
VR444
4802245J73
Zener Diode 6.8V
VR445
4802245J74
Zener Diode 10V
VR446
4802245J74
Zener Diode 10V
Circuit
Motorola Part
Description
Ref
No.
VR447
4802245J74
Zener Diode 10V
VR448
4802245J74
Zener Diode 10V
VR449
4802245J74
Zener Diode 10V
VR450
4802245J75
Zener Diode 12V
VR460
4802245J73
Zener Diode 6.8V
VR501
4813830A18
Diode 6.8V
VR506
4802245J73
Zener Diode 6.8V
Y300
4802245J84
Xtal Oscillator 44.395MHz
Y301
9186145B02
455kHz Ceramic Discriminator
1485777Z01
Insulator (KAPTON)
8486686Z02
UHF B2 PC Board
* Motorola Depot Servicing only
4-57

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