Motorola pro7100 Manuale di Servizio Pagina 93
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Valutato. / 5. Basato su recensioni clienti
4-27
100pF
Vac
C4520
C4630
0.1uF
C4473
100pF
C4410
100pF
C4479
TXINJ
R4472
PA_PWR_SET
Vac
C4480
R4630
RESET
Vac
3.9K
R4503
R4492
10K
9V3
C4497
1000pF
57R01
L4440
C4407
RXIN
BIAS_2_UHF_PA_1
0.1uF
RESET_VHF_PA_1
R4416
R4421
10
100
Vac
R4455
Vac
C4451
1
3
C4499
100pF
Q4441
MRF650
4
2
C4521
100pF
30pF
C4431
Vac
C4456
620
R4425
R4422
620
100pF
C4417
CLK
Vac
C4444
C4478
1000pF
1000pF
C4414
R4485
120
120
R4486
L4541
57R01
Vac
R4607
C4502
.015uF
14
VD1
2
VG1
3
VG2
200
R4405
8
NC1
9
NC2
10
NC3
15
NC4
16
RFIN
6
RFOUT1
7
RFOUT2
1
VCNTRL
11
G2
4
GND1
5
GND2
12
GND3
13
GND4
C4446
100pF
09Z67
U4401
R4414
Vac
R4474
100K
R4513
10K
Vac
C4447
C4460
39pF
C4495
1000pF
2200pF
C4503
R4511
51
J4401-1
1
TX_INJ_UHF_PA_1
24K
R4632
FECTRL_1
100
R4415
FECTRL_2
30pF
C4486
FE_CNTL_2_VHF_PA_1
R4601
100pF
C4459
4.7
Vac
C4470
C4450
16pF
R4475
0
Vac
C4457
C4510
36pF
100pF
C4439
D4471
39pF
57R01
L4402
C4412
100pF
C4442
3
4
5
7
8
MOSBIAS_2
Q4421
6
2
1
Vac
L4474
R4482
200K
R4512
470
K9V1_UHF_PA_1
R4497
51
R4602
4.7
Vac
R4471
Vac
R4433
VR4472
5.6V
L4401
11.03nH
Vac
10K
36pF
R4506
R4412
C4472
5.6K
33pF
C4449
TP4532
Vac
D4403
Vac
R4411
C4409
0.1uF
R4409
100K
57R01
L4421
C4498
6.8pF
Vac
C4455
1uF
C4423
Vac
D4402
FE_CNTL_1_VHF_PA_1
R4431
PA_PWR_SET_1_UHF_PA_1
Vac
Vac
C4461
10uF
C4436
Vac
C4424
C4462
R4633
Vac
C4632
Vac
DATA
K9V1
Vac
R4459
TP4537
D4451
CNTLVLTG_UHF_PA_1
VOUT
0.1uF
C4418
LM50
U4502
GND
3
POS
1
2
C4425
L4493
17nH
.022uF
TP4531
C4416
.022uF
620
R4424
Vac
C4452
Vac
C4463
.033uF
C4602
L4473
43.67nH
Vac
R4408
100pF
R4507
10K
TEMPSENSE
C4426
TP4536
C4476
C4401
Vac
C4466
100pF
PASUPVLTG
Vac
D4452
L4543
R4428
4.7K
2200pF
13.85nH
C4506
100K
R4483
Vac
R4481
Vac
C4437
Vac
C4453
30pF
C4484
J4401-3
3
TP4530
15
R4402
9V3_UHF_PA_1
R4495
51
C4474
10K
R4504
12pF
L4472
17nH
30pF
C4432
11K
R4491
5.6pF
C4496
C4438
0.1uF
L4436
57R01
Q4473
C4492
100pF
CNTLVLTG
C4488
100pF
R4476
Vac
Vac
C4464
82
Vac
C4465
R4423
R4496
36pF
620
68K
C4419
Q4471
R4484
13.85nH
C4491
10pF
C4435
27pF
L4441
30pF
TEMPSENSE_UHF_PA CSX_VHF_PA_1
C4487
C4420
390nH
43pF
5.6K
L4411
R4403
R4501
300
C4485
30pF
C4507
100pF
Q4472
39pF
C4434
DATA_VHF_PA_1
Vac
Vac
C4490
3.3K
R4514
R4488
3K
R4487
100K
Q4451
10pF
C4494
30pF
C4482
D4453
17nH
L4491
CSX
R4600
4.7
C4475
2pF
VAR2
18
VAR3
24
VG
15
6
VL
19
VLIM
RS
RSET
31
23
RX
2
T1
30
TEMP
14
V10
16
V45
V5EXT
17
VAR1
20
F168
8
GND1
25
GND2
4
INT
NA
22
11
Q
10
QX
RFIN
1
21
CEX
3
CI
5
CJ
7
CL
26
CLK
12
CQ
CQX
1328
DATA
9
U4501
32
ANO
27
BPOS
29
H99S-4
1uF
C4504
.02uF
10K
C4505
R4427
C4441
L4492
17nH
RX_IN_VHF_PA_1
30pF
TP4533
100pF
C4483
C4469
100pF
VR4473
5.6V
C4448
12pF
R4523
R4502
200K
Vac
10K
R4401
R4480
300
C4421
.033uF
C4443
6.8pF
1000pF
C4522
4.3K
R4473
PASUPVLTG_UHF_PA_1
J4401-2
2
R4631
1K
7
G1
8
G2
9
G3
G4
10
S1
S2
S3
S4
MRF5015
Q4431
D
G
100pF
C4404
Vac
C4493
Vac
C4489
5.6V
VR4471
D4472
C4403
3.9pF
L4403
390nH
3000pF
17nH
L4437
C4481
C4422
100pF
CLK_VHF_PA_1
R4457
120
PCIC_MOSBIAS_1
9V3
9V3
ALT
ALT
Load
PA_PWR_SET
PA_PWR_SET
9V3
Load
9V3
A+
A+
9V3
PCIC_MOSBIAS_1
PASUPVLTG
9V3
9V3
9V3
0.75 VDC
9.2 VDC
3.1 VDC (44W)
2.2 VDC (28W)
4 to 6 dBm
3.7 to 3.9 VDC
4.5 VDC (44W)
4.4 VDC (28W) 6.5 VDC (44W)
6.2 VDC (28W)
2.4 to 2.6 VDC
3.11 VDC (44W)
2.2 VDC (28W)
ZWG0130271
Figure 4-18. UHF (403-470MHz) Power Amplifier Schematic Diagram
- Professional Radio 1
- Computer Software Copyrights 2
- SAFETY INFORMATION 3
- W A R N I N G 4
- C a u t i o n 4
- Safety-3 5
- Safety-4 6
- Relabeling 6
- TABLE OF CONTENTS 7
- Chapter 3 Maintenance 9
- List of Figures 9
- List of Tables 10
- Chapter 1 11
- Introduction 11
- 1.3 Related Documents 12
- 1.4 Technical Support 12
- 1.5 Warranty and Repairs 12
- 1.7 Radio Model Information 14
- Chapter 2 15
- Theory of Operation 15
- 2-2 Theory of Operation 16
- 2.2.2 Automatic On/Off 17
- 2.2.3 Emergency 18
- 2.2.4 Mechanical On/Off 18
- 2.2.5 Ignition 18
- Theory of Operation 2-5 19
- 2.2.8 SBEP Serial Interface 20
- Theory of Operation 2-7 21
- 2-8 Theory of Operation 22
- 2.3.2 Transmit Audio Circuits 23
- 2.3.3 Microphone Input Path 23
- 2-10 Theory of Operation 24
- Theory of Operation 2-11 25
- 2.3.4.2 High Speed Data 26
- 2.3.5 Receive Audio Circuits 27
- 2.3.5.1 Squelch Detect 27
- 2-14 Theory of Operation 28
- 2.3.5.4 Handset Audio 29
- ASFIC_CMP 30
- 2.3.6.3 Voice Storage Option 31
- Theory of Operation 2-19 33
- 2.5.1 Power Controlled Stage 34
- 2.5.2 Pre-Driver Stage 34
- Theory of Operation 2-21 35
- 2.6 Frequency Synthesis 36
- Theory of Operation 2-23 37
- 2-24 Theory of Operation 38
- 2.6.4 Synthesizer Operation 39
- Theory of Operation 2-27 41
- 2.8.1 Power Controlled Stage 42
- 2.8.2 Pre-Driver Stage 42
- 2.8.3 Driver Stage 43
- 2.8.4 Final Stage 43
- 2.8.5 Directional Coupler 43
- 2.8.6 Antenna Switch 43
- 2.8.7 Harmonic Filter 43
- 2.9 Frequency Synthesis 44
- Theory of Operation 2-31 45
- 2.9.4 Synthesizer Operation 47
- 2.10.1 Power Supplies 48
- 2.10.2 Power On/Off 48
- 2.10.3 Microprocessor Circuit 48
- 2.10.4 SBEP Serial Interface 49
- 2.10.5 Keypad Keys 49
- 2.10.8 Speaker 50
- 2.11.1 Power Supplies 51
- 2.11.2 Power On / Off 51
- 2.11.3 Microprocessor Circuit 51
- 2.11.4 SBEP Serial Interface 52
- 2.11.5 Keypad Keys 52
- Theory of Operation 2-39 53
- 2.11.9 Speaker 54
- Chapter 3 55
- Maintenance 55
- Maintenance 3-3 57
- 3-4 Maintenance 58
- Table 3-1 59
- 60
- Maintenance 3-7 61
- 3-8 Maintenance 62
- Mobile Synthesizer Section 63
- 3-10 Maintenance 64
- 3.9 VCO Troubleshooting Chart 65
- 3-12 Maintenance 66
- Chapter 4 67
- 6-LAYER CIRCUIT 68
- COPPER STEPS IN PROPER 68
- LAYER SEQUENCE 68
- BOARD DETAIL VIEWING 68
- ZWG0130113 70
- ZWG0130239 71
- ZWG0130240 72
- ZWG0130136 75
- ZWG0130137 76
- ZWG0130241 77
- ZWG0130242 78
- BACKLIGHT GREEN 79
- U0971 Display Driver 80
- ZWG0130229-A 84
- ZWG0130230 A 85
- ASFIC CMP 86
- ZWG0130231-A 86
- ZWG0130232-A 87
- ZWG0130272 91
- ZWG0130270 92
- ZWG0130271 93
- ZWG0130227P 99
- 3,0 -7,5VDC 100
- (SOURCE) 102
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