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Motorola Pro3100 Detailed Service Manual
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Section 10: 4-8
UHF Band 2 (450–512/520 MHz) 25–40 W Bipolar PCB 848
0645Z04, Schema
tics, and Parts Lists
6881091C63-F
NU
G
G
G
G
G
G
G
G
G
3 to 6.5 VDC
0.7 VDC
4.6 VDC
C5064
C5066
NU
100pF
NU
C5065
15nH
Q5001
Q5002
L5006
C5020
8.2pF
R5016
C5003
24pF
3.3K
TBD
L5004
IN
NEG
POS
82pF
GND_UHF_FE
R5051
51
C5052
C5067
3300pF
D5007
NU
0
R5064
C5062
K9V1_UHF_FE
R5069
1K
10
R5021
FECTRL_1
100pF
C5033
R5019
1pF
C5030
1pF
C5027
D5004
1.5pF
C5017
15nH
15nH
L5054
R5060
330K
L5053
470nH
L5008
NU
R5063
FECTRL_2
R5017
NU
IF_UHF_FE
RXINJ_UHF_FE
270nH
L5003
Q5003
C5034
2.7K
R5004
FECTRL_2_UHF_FE
100pF
R5007
L5051
150nH
9V3
68
1.5K
1000pF
R5068
C5024
C5008
1000pF
TBD
IN
NEG
POS
TBD
IN
NEG
POS
L5002
L5001
C5055
NU
NU
R5061
RXINJ
NU
C5061
Q5004
NU
NU
R5062
C5009
8.2pF
D5003
D5002
D5001
C5004
16pF
FECTRL_1_UHF_FE
0
R5022
10
R5020
NU
R5072
NU
R5071
16pF
C5054
RXIN
6.8pF
C5053
C5006
15pF
33pF
C5002
R5002
330
C5021
8.2pF
C5001
C5005
1.5pF
18pF
T5052
XFMR
4
6
3
1
2
L5009
15nH
C5060
NU
T5051
XFMR
1
2
3
5
4
L5005
TBD
IN
NEG
POS
NU
C5069
NU
R5070
C5022
8.2pF
R5053
NU
C5026
1pF
C5019
15pF
R5054
NU
.01uF
C5028
R5018
3.3K
C5032
8.2pF
R5012
100K
R5013
NU
R5066
D5006 NU
NU
C5068
4.7K
330pF
R5003
C5010
1pF
C5029
3300pF
C5013
C5012
TP5003
330pF
8.2pF
C5031
RXIN_UHF_FE
9V3_UHF_FE
0
D5051
1
IO1
2
IO2
3
IO3
4
IO4
R5052
C5016
NU
100K
R5001
27pF
3300pF
C5011
C5007
C5015
100pF
R5055
NU
9V3
IF
K9V1
C5025
NU
C5018
33pF
D5005
C5023
NU
R5015
NU
GND
100pF
C5014
R5005
10K
9V3
NU
WMUHF B2 40W BIPOLAR FE
UHF Band 2 (450–512/520 MHz) 25–40 W
Bipolar Receiver Front-End
551
553
Table of Contents
Product Safety and RF Exposure Compliance
2
Foreword
2
Manual Revisions
2
Computer Software Copyrights
2
Document Copyrights
2
Disclaimer
2
Trademarks
2
Document History
3
Section 1: Service Maintainability
7
Introduction
9
1.0 About this Manual
9
2.0 Warranty and Service Support
9
3.0 Radio Model Information
11
Maintenance
13
1.0 Introduction
13
2.0 Preventive Maintenance
13
3.0 Safe Handling of CMOS and LDMOS
14
4.0 General Repair Procedures and Techniques
14
5.0 Notes For All Schematics and Circuit Boards
17
Service Aids
23
1.0 Recommended Service Tools
23
2.0 Recommended Test Equipment
25
Section 2: Control Head Service Information
27
Overview
29
1.0 CDM750 / PRO3100 Model (GCN6112_)
29
2.0 CDM1250 / PRO5100 Model (GCN6113_)
29
3.0 CDM1550 Series / PRO7100 Model (GCN6114_)
30
4.0 Data Radio Series (GCN6116_)
30
Theory of Operation
31
1.0 Introduction
31
2.0 Control Head (CDM750 / PRO3100)
31
3.0 Control Head (CDM1250 / PRO5100 / CDM1550 Series / PRO7100)
34
Troubleshooting Charts
39
1.0 Control Head CDM750 / PRO3100 Troubleshooting Flow Charts
39
2.0 Control Head CDM1250 / PRO5100 / CDM1550 Series / PRO7100 Troubleshooting Flow Charts
41
Control Head PCBs, Schematics, and Parts Lists
45
1.0 Allocation of Schematics and Circuit Boards
45
2.0 Control Head CDM750 / PRO3100 PCB 8486146B07, Schematics, and Parts Lists
47
Control Head PCB 8486146B07 Parts List†
50
3.0 Control Head CDM1250 / PRO5100 / CDM1550 Series / PRO7100 PCB 8486155B06, Schematics, and Parts Lists
51
Control Head PCB 8486155B06 Parts List†
56
Section 3: Controller Service Maintainability
57
Theory of Operation
59
1.0 Controller Circuits
59
2.0 Controller Board Audio and Signaling Circuits
68
Troubleshooting Charts
79
1.0 Troubleshooting Flow Chart for Controller
79
Controller Schematics and Parts Lists
81
1.0 Allocation of Schematics and Circuit Boards
81
2.0 Controller T2 Schematics and Parts Lists
85
Controller T2 Parts List
90
3.0 Controller T5 Schematics and Parts Lists
92
Controller T5 Parts List
98
4.0 Controller T6/T7/T9 Schematics and Parts Lists
100
Controller T6/7 Parts List
109
Controller T9 Parts List (8471224L01)
111
5.0 Controller T11 Schematics and Parts Lists
113
Controller T11 Parts List
117
6.0 Controller T12 Schematics and Parts Lists
119
Controller T12 Parts List
124
7.0 Controller T12 Schematics and Parts Lists (8471224L04)
126
Controller T12 Parts List (8471224L04)
132
8.0 Controller T6/T7 Schematics and Parts Lists (8471235L06))
136
Controller T6/T7 Parts List (8471235L06)
142
Section 4: VHF (136–174 MHz) 1–25 W Service Information
147
Model Charts and Technical Specifications
149
1.0 VHF (136–174 MHz) 1–25W Model Charts
149
2.0 Technical Specifications
150
Theory of Operation
153
1.0 Introduction
153
2.0 VHF (136–174 MHz) 1–25W Receiver Front-End
153
3.0 VHF (136–174 MHz) 1–25W Transmitter Power Amplifier (PA) 25W
155
4.0 VHF (136–174 MHz) 1–25W Frequency Synthesis
157
Troubleshooting Charts
161
1.0 Troubleshooting Flow Chart for Receiver
161
2.0 Troubleshooting Flow Chart for 25 W Transmitter
163
3.0 Troubleshooting Flow Chart for Synthesizer
166
4.0 Troubleshooting Flow Chart for VCO
167
VHF (136–174 MHz) 1–25 W PCBs, Schematics, and Parts Lists
169
1.0 Allocation of Schematics and Circuit Boards
169
2.0 VHF (136–174 MHz) 1–25 W LDMOS PCB 8471235L04, Schematics, and Parts Lists
173
VHF 1–25 W PCB 8471235L04 Parts List†
177
3.0 VHF (136–174 MHz) 1–25 W PCB 8486172B04, Schematics, and Parts Lists
180
VHF 1–25 W PCB 8486172B04 Parts List†
187
4.0 VHF (136–174 MHz) 1–25 W PCB 8486172B06, Schematics, and Parts Lists
190
VHF 1–25 W PCB 8486172B06 Parts List†
197
5.0 VHF (136–174 MHz) 1–25 W PCB 8486172B07, Schematics, and Parts Lists
200
VHF 1–25 W PCB 8486172B07 Parts List†
204
6.0 VHF (136–174 MHz) 1–25 W PCB 8486172B08, Schematics, and Parts Lists
207
VHF 1–25 W PCB 8486172B08 Parts List†
211
7.0 VHF (136–174 MHz) 1–25 W PCB 8471235L06 Schematics, and Parts Lists
215
VHF 1–25 W PCB 8471235L06 Parts List†
222
Section 5: UHF Band 1 (403–470 MHz) 1–25 W Service Information
227
Model Charts and Technical Specifications
229
1.0 UHF Band 1 (403–470 MHz) 1–25 W Model Charts
229
2.0 Technical Specifications
230
Theory of Operation
233
1.0 Introduction
233
2.0 UHF Band 1 (403–470 MHz) 1–25 W Receiver Front-End
233
3.0 UHF Band 1 (403–470 MHz) 1–25W Transmitter Power Amplifier (PA) 25 W
235
4.0 UHF Band 1 (403–470 MHz) 1–25 W Frequency Synthesis
238
Troubleshooting Charts
243
1.0 Troubleshooting Flow Chart for Receiver
243
2.0 Troubleshooting Flow Chart for 25 W Transmitter
245
3.0 Troubleshooting Flow Chart for Synthesizer
248
4.0 Troubleshooting Flow Chart for VCO
249
5.0 Troubleshooting Flow Chart for PassPort
250
UHF Band 1 (403–470 MHz) 1–25 W PCBs, Schematics, and Parts Lists
251
1.0 Allocation of Schematics and Circuit Boards
251
2.0 UHF Band 1 (403–470 MHz) 1–25 W LDMOS PCB 8471224L03, Schematics, and Parts Lists
253
UHF B1 25–40 W PCB 8471224L03 Parts List†
256
3.0 UHF Band 1 (403–470 MHz) 1–25 W PCB 8485670Z02, Schematics, and Parts Lists
259
UHF B1 1–25 W PCB 8485670Z02 Parts List†
266
4.0 UHF Band 1 (403–470 MHz) 1–25 W PCB 8485670Z03, Schematics, and Parts Lists
269
UHF B1 1–25 W PCB 8485670Z03 Parts List†
276
5.0 UHF Band 1 (403–470 MHz) 1–25 W PCB 8471224L04, Schematics, and Parts Lists
279
UHF 1–25 W PCB 8471224L04 Parts Lists†
286
Section 6: UHF Band 2 (450–512/527 MHz) 1–25W Service Information
291
Model Charts and Technical Specifications
293
1.0 UHF Band 2 (450–512/527 MHz) 1–25 W Model Charts
293
2.0 Technical Specifications
294
Theory of Operation
297
1.0 Introduction
297
2.0 UHF Band 2 (450–512/527 MHz) 1–25W Receiver Front-End
297
3.0 UHF Band 2 (450–512/527 MHz) 1–25 W Transmitter Power Amplifier (PA) 25 W
299
4.0 UHF Band 2 (450–512/527 MHz) 1–25 W Frequency Synthesis
302
Troubleshooting Charts
307
1.0 Troubleshooting Flow Chart for Receiver
307
2.0 Troubleshooting Flow Chart for 25 W Transmitter
309
3.0 Troubleshooting Flow Chart for Synthesizer
312
4.0 Troubleshooting Flow Chart for VCO
313
5.0 Troubleshooting Flow Chart for PassPort
314
UHF Band 2 (450–512/527 MHz) 1–25 W PCBs, Schematics, and Parts Lists
315
1.0 Allocation of Schematics and Circuit Boards
315
2.0 UHF Band 2 (450–512/527 MHz) 1–25 W PCB 8485671Z03, Schematics, and Parts Lists
317
UHF B2 1–25 W PCB 8485671Z03 Parts List†
324
Section 7: Low Band Service Information
329
Model Charts and Technical Specifications
331
1.0 Low Band Range 1 (29.7–36 MHz) Model Charts
331
2.0 Low Band Range 2 (36–42 MHz) Model Charts
332
3.0 Low Band Range 3 (42–50 MHz) Model Charts
333
4.0 Technical Specifications
334
Theory of Operation
337
1.0 Introduction
337
2.0 Low Band Receiver Front-End
337
3.0 Low Band Transmitter Power Amplifier (PA) 60 W
340
4.0 Low Band Frequency Synthesis
343
Troubleshooting Charts
347
1.0 Troubleshooting Flow Chart for Receiver
347
2.0 Troubleshooting Flow Chart for Transmitter
349
3.0 Troubleshooting Flow Chart for Synthesizer
350
4.0 Troubleshooting Flow Chart for VCO
351
Low Band PCBs, Schematics, and Parts Lists
353
1.0 Allocation of Schematics and Circuit Boards
353
2.0 Low Band Range 1 (29.7–36 MHz) PCBs, Schematics, and Parts Lists
357
Low Band R1 PCB 8486206B06 Parts List†
371
Low Band R1 PCB 8486206B08 Parts List†
374
3.0 Low Band Range 2 (36–42 MHz) PCBs, Schematics, and Parts Lists
380
Low Band Range 2 PCB 8486207B07 Parts List
400
Low Band Range 2 PCB 8486207B08 Parts List
406
Low Band Range 2 PCB 8486207B11 Parts List
413
4.0 Low Band Range 3 (42–50 MHz) PCBs, Schematics, and Parts Lists
418
Low Band R3 PCB 8485908Z02 Parts List†
432
Low Band R3 PCB 8485908Z04 Parts List†
435
Low Band Range 3 PCB 8485908Z05 Parts List
441
Low Band Range 3 PCB 8485908Z08 Parts List
448
Section 8: VHF (136–174 MHz) 25–45 W Bipolar Service Information
453
Model Charts and Technical Specifications
455
1.0 VHF (136–174 MHz) 25–45 W Bipolar Model Charts
455
2.0 Technical Specifications
456
Theory of Operation
459
1.0 Introduction
459
2.0 VHF (136–174 MHz) 25–45 W Bipolar Receiver Front-End
459
3.0 VHF (136–174 MHz) 25–45 W Bipolar Transmitter Power Amplifier (PA) 45 W
461
4.0 VHF (136–174 MHz) 25–45 W Bipolar Frequency Synthesis
463
Troubleshooting Charts
467
1.0 Troubleshooting Flow Chart for Receiver
467
2.0 Troubleshooting Flow Chart for 45 W Transmitter
469
3.0 Troubleshooting Flow Chart for Synthesizer
471
4.0 Troubleshooting Flow Chart for VCO
472
VHF (136–174 MHz) 25–45 W Bipolar PCBs, Schematics, and Parts Lists
473
1.0 Allocation of Schematics and Circuit Boards
473
2.0 VHF (136–174 MHz) 25–45 W Bipolar PCB 8486140B12, Schematics, and Parts Lists
475
VHF 25–45 W PCB 8486140B12 Parts List†
482
3.0 VHF (136–174 MHz) 25–45 W Bipolar PCB 8486140B13, Schematics, and Parts Lists
485
VHF 25–45 W PCB 8486140B13 Parts List†
488
Section 9: UHF Band 1 (403–470 MHz) 25–40 W Bipolar Service Information
491
Model Charts and Technical Specifications
493
1.0 UHF Band 1 (403–470 MHz) 25–40 W Bipolar Model Charts
493
2.0 Technical Specifications
494
Theory of Operation
497
1.0 Introduction
497
2.0 UHF Band 1 (403–470 MHz) 25–40 W Bipolar Receiver Front-End
497
3.0 UHF Band 1 (403–470 MHz) 25–40 W Bipolar Transmitter Power Amplifier (PA) 40W
499
4.0 UHF Band 1 (403–470 MHz) 25–40 W Bipolar Frequency Synthesis
501
Troubleshooting Charts
505
1.0 Troubleshooting Flow Chart for Receiver
505
2.0 Troubleshooting Flow Chart for 40W Transmitter
507
3.0 Troubleshooting Flow Chart for Synthesizer
508
4.0 Troubleshooting Flow Chart for VCO
509
5.0 Troubleshooting Flow Chart for PassPort
510
UHF Band 1 (403–470 MHz) 25–40 W Bipolar PCBs, Schematics, and Parts Lists
511
1.0 Allocation of Schematics and Circuit Boards
511
2.0 UHF Band 1 (403–470 MHz) 25–40 W Bipolar PCB 8480643Z06, Schematics, and Parts Lists
513
UHF B1 25–40 W PCB 8480643Z06 Parts List†
520
Section 10: UHF Band 2 (450–512/520 MHz) 25–40W Bipolar Service Information
525
Model Charts and Technical Specifications
527
1.0 UHF Band 2 (450–512/520 MHz) 25–40 W Bipolar Model Charts
527
2.0 Technical Specifications
528
Theory of Operation
531
1.0 Introduction
531
2.0 UHF Band 2 (450–512/520 MHz) 25–40 W Bipolar Receiver Front- End
531
3.0 UHF Band 2 (450–512/520 MHz) 25–40 W Bipolar Transmitter Power Amplifier (PA) 40W
533
4.0 UHF Band 2 (450–512/520 MHz) 25–40 W Bipolar Frequency Synthesis
535
Troubleshooting Charts
539
1.0 Troubleshooting Flow Chart for Receiver
539
2.0 Troubleshooting Flow Chart for 40 W Transmitter
541
3.0 Troubleshooting Flow Chart for Synthesizer
542
4.0 Troubleshooting Flow Chart for VCO
543
5.0 Troubleshooting Flow Chart for PassPort
544
UHF Band 2 (450–512/520 MHz) 25–40 W Bipolar PCBs, Schematics, and Parts Lists
545
1.0 Allocation of Schematics and Circuit Boards
545
2.0 UHF Band 2 (450–512/520 MHz) 25–40 W Bipolar PCB 8480645Z04, Schematics, and Parts Lists
547
UHF B2 25–40 W PCB 8480645Z04 Parts List†
554
Section 11: VHF (136–174 MHz) 25–45 W LDMOS Service Information
559
Model Charts and Technical Specifications
561
1.0 VHF (136–174 MHz) 25–45 W LDMOS Model Charts
561
2.0 Technical Specifications
562
Theory of Operation
565
1.0 Introduction
565
2.0 VHF (136–174 MHz) 25–45 W LDMOS Receiver Front-End
565
3.0 VHF (136–174 MHz) 25–45W LDMOS Transmitter Power Amplifier (PA) 45 W
567
4.0 VHF (136–174 MHz) 25–45 W LDMOS Frequency Synthesis
569
Troubleshooting Charts
573
1.0 Troubleshooting Flow Chart for Receiver
573
2.0 Troubleshooting Flow Chart for 45 W Transmitter
575
3.0 Troubleshooting Flow Chart for Synthesizer
578
4.0 Troubleshooting Flow Chart for VCO
579
VHF (136–174 MHz) 25–45 W LDMOS PCBs, Schematics, and Parts Lists
581
1.0 Allocation of Schematics and Circuit Boards
581
2.0 VHF (136–174 MHz) 25–45 W LDMOS PCB 8486140B15, Schematics, and Parts Lists
583
VHF 25–45 W PCB 8486140B15 Parts List†
590
4.0 VHF (136–174 MHz) 25–45 W LDMOS PCB 8471234L02, Schematics, and Parts Lists
593
VHF PCB 8471234L02 Parts List
600
Section 12: UHF Band 1 (403–470 MHz) 25–40 W LDMOS Service Information
603
Model Charts and Technical Specifications
605
1.0 UHF Band 1 (403–470 MHz) 25–40 W LDMOS Model Charts
605
2.0 Technical Specifications
606
Theory of Operation
609
1.0 Introduction
609
2.0 UHF Band 1 (403–470 MHz) 25–40 W LDMOS Receiver Front-End
609
3.0 UHF Band 1 (403–470 MHz) 25–40 W LDMOS Transmitter Power Amplifier (PA) 40W
611
4.0 UHF Band 1 (403–470 MHz) 25–40 W LDMOS Frequency Synthesis
613
Troubleshooting Charts
617
1.0 Troubleshooting Flow Chart for Receiver
617
2.0 Troubleshooting Flow Chart for 40 W Transmitter
619
3.0 Troubleshooting Flow Chart for Synthesizer
621
4.0 Troubleshooting Flow Chart for VCO
622
5.0 Troubleshooting Flow Chart for PassPort
623
UHF Band 1 (403–470 MHz) 25–40 W LDMOS PCBs, Schematics, and Parts Lists
625
1.0 Allocation of Schematics and Circuit Boards
625
2.0 UHF Band 1 (403–470 MHz) 25–40 W LDMOS PCB 8486127Z01, Schematics, and Parts Lists
627
UHF B1 25–40 W PCB 8486127Z01 Parts List†
634
3.0 UHF Band 1 (403–470 MHz) 25–40 W LDMOS PCB 8471223L02, Schematics, and Parts Lists
638
UHF B1 25–40 W PCB 8471223L02 Parts List
645
Section 13: UHF Band 2 (450–512/520 MHz) 25–40 W LDMOS Service Information
649
Model Charts and Technical Specifications
651
1.0 UHF Band 2 (450–512/520 MHz) 25–40 W LDMOS Model Charts
651
2.0 Technical Specifications
652
Theory of Operation
655
1.0 Introduction
655
2.0 UHF Band 2 (450–512/520 MHz) 25–40 W LDMOS Receiver Front- End
655
3.0 UHF Band 2 (450–512/520 MHz) 25–40 W LDMOS Transmitter Power Amplifier (PA) 40 W
657
4.0 UHF Band 2 (450–512/520 MHz) 25–40 W LDMOS Frequency Synthesis
660
Troubleshooting Charts
665
1.0 Troubleshooting Flow Chart for Receiver
665
2.0 Troubleshooting Flow Chart for 40 W Transmitter
667
3.0 Troubleshooting Flow Chart for Synthesizer
668
4.0 Troubleshooting Flow Chart for VCO
669
5.0 Troubleshooting Flow Chart for PassPort
670
UHF Band 2 (450–512/520 MHz) 25–40 W LDMOS PCBs, Schematics, and Parts Lists
671
1.0 Allocation of Schematics and Circuit Boards
671
2.0 UHF Band 2 (450–512/520 MHz) 25–40 W LDMOS PCB 8486250Z02, Schematics, and Parts Lists
673
UHF B2 25-40 W PCB 8486250Z02 Parts List†
680
Appendix A Replacement Parts Ordering
685
A.1 Basic Ordering Information
685
A.2 Motorola Online
685
A.3 Mail Orders
685
A.4 Telephone Orders
685
A.5 Fax Orders
685
A.6 Parts Identification
686
A.7 Product Customer Service
686
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Motorola Pro3100 Specifications
General
Brand
Motorola
Model
Pro3100
Category
Two-Way Radio
Language
English
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