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UHF Band 1 (403–470 MHz) 25–40 W LDMOS PCB 8486127Z01, Schematics, and Parts Lists
Section 12: 4-5
PASUPVLTG_UHF_PA_1
PASUPVLTG
PASUPVLTG
9V3
9V3_UHF_PA_1
C4602
.033uF
3000pF
C4481
C4485
30pF
L4402
30pF
C4484
.033uF
C4421
1000pF
C4495
NU
NU
C4490
1000pF
C4497
C4489
BLM31A02PT
L4474
L4541
NU
C4493
1000pF
C4478
C4436
10uF
NU
0.1uF
C4438
17nH
L4437
L4421
C4423
100pF
C4422
NU
100pF
C4439
L4438
17nH
C4437
L4436
NU
NU
13pF
C4442
C4466
30pF
C4441
6.8pF
C4443
C4491
3.3pF
C4476
NU
NU
C4445
6.8pF
3.3pF
C4487
13pF
C4444
C4467
C4440
30pF
C4477
100K
R4409
9V3
L4490
12.77nH
12.77nH
L4489
NU
C4455
C4449
3.9pF
NU
R4471
NU
C4450
3.9pF
C4456
120
R4457
100pF
C4459
100pF
C4469
D4471
C4492
100pF
17nH
L4492
L4491
17nH
17nH
L4493
10pF
C4494
C4448
12pF
6.2pF
C4498
C4496
6.2pF
R4491
11K
RXIN
RX_IN_VHF_PA_1
NU
12pF
C4474
C4480
2pF
C4475
L4472
17nH
D4472
NU
5.6V
VR4473
D4452
C4463
D4451
NU
R4473
4.3K
C4452
NU
NU
100pF
C4499
R4472
100pF
C4507
R4506
10K
10K
R4513
C4470
A+
9.2 VDC
TP4530
CLK
R4504
10K
Q4471
K9V1_UHF_PA_1
470
R4512
K9V1
TEMPSENSE
0
R4475
TEMPSENSE_UHF_PA
9V3
1
POS
VOUT
2
U4502
3
GND
NU
NU
C4405
C4402
TXINJ
NU
L4404
3.9pF
C4403
L4401
11.03nH
C4404
100pF
0.1uF
C4407
R4405
200
4 to 6 dBm
TX_INJ_UHF_PA_1
100pF
C4410
100pF
C4401
R4402
15
300
R4401
300
R4403
CNTLVLTG
CNTLVLTG_UHF_PA_1
3.3K
R4514
C4418
0.1uF
51
R4497
C4488
100pF
390nH
L4403
100pF
C4412
390nH
L4411
NU
NU
NU
NU
NU
C4409
0.1uF
1
C4431
27pF
L4543
13.85nH
C4453
R4525
C4424
C4454
4.7pF
R4414
C4458
C4457
36pF
Load
POS
1
Q4421
2
3
NU
C4483
100pF
9V3
1
VD1
14
VG1
2
VG2
3
13
NC1
8
NC2
9
NC3
10
NC4
15
RFIN
16
RFOUT1
6
RFOUT2
7
VCNTRL
U4401
30C65
EP
17
G2
11
GND1
4
GND2
5
GND3
12
GND4
C4417
100pF
NU
NU
NU
C4447
C4419
C4461
C4462
39pF
100
R4415
R4416
100
M3421
HEATSINK
.022uF
C4416
.022uF
C4414
100pF
C4415
100pF
C4413
1.8K
R4428
R4412
2K
3.7 to 3.9 VDC
NU
NU
NU
Q4451
.022uF
C4425
20K
R4408
100pF
C4426
R4488
R4487
TP4536
Load
10K
R4480
PCIC_MOSBIAS_1
620
R4424
620
R4423
620
R4422
NU
R4431
R4425
620
6.2 VDC (28W)
6.5 VDC (44W)
Q4473
R4440
0
S4440
SWITCH
9V3
PA_PWR_SET
PA_PWR_SET_1_UHF_PA_1
PA_PWR_SET
NU
BIAS_2_UHF_PA_1
TP4537
R4630
MOSBIAS_2
100pF
C4632
0.1uF
C4631
100K
R4634
4.4 VDC (28W)
4.5 VDC (44W)
TP4533
NU
NU
C4434
3.9pF
C4446
150pF
R4417
C4429
C4433
47pF
12pF
C4420
51
R4495
9V3
NU
NU
3.9pF
C4427
C4435
12pF
C4430
R4418
150pF
C4428
47pF
C4432
51
R4485
R4486
51
51
R4481
R4489
51
C4630
0.1uF
R4635
100pF
100K
C4629
47K
R4631
47K
R4632
MOSBIAS_3
BIAS_3_UHF_PA_1
TP4538
GND5
GND6
IN1
IN2
OUT1
OUT2
Q4441
GND1
GND2
GND3
GND4
NU
D4453
C4464
100K
R4474
R4507
10K
NU
2.2 VDC (28W)
3.11 VDC (44W)
NU
TP4531
R4455
C4451
36pF
C4472
C4510
36pF
82
R4496
C4473
100pF
51
R4511
VR4471
5.6V
43.67nH
L4473
Q4472
PCIC_MOSBIAS_1
CSX
DATA
DATA_VHF_PA_1
10K
R4492
CSX_VHF_PA_1
CLK_VHF_PA_1
9V3
0.75 VDC
TP4532
R4501
24
VAR3
15
VG
VL
6
VLIM
19
RX
23
T1
2
TEMP
30
V10
14
V45
16
17
V5EXT
20
VAR1
18
VAR2
GND2
25
INT
4
22
NA
Q
11
QX
10
1
RFIN
RS
21
31
RSET
CJ
5
CL
7
CLK
26
CQ
12
13
CQX
DATA
28
F168
9
GND1
8
U4501
ANO
32
BPOS
27
CEX
29
CI
3
C4522
1000pF
20K
R4484
100pF
C4521
6.8K
27K
R4502
R4503
1K
100K
R4482
9V3
NU
3.1 VDC (44W)
2.2 VDC (28W)
R4483
100K
R4523
C4503
470pF
2200pF
C4502
.01uF
C4504
ALT
PA_PWR_SET
C4506
2200pF
1uF
C4505
9V3
C4479
100pF
FE_CNTL_1_VHF_PA_1
RESET
FECTRL_1
RESET_VHF_PA_1
FE_CNTL_2_VHF_PA_1
FECTRL_2
J4401-3
3
J4401-2
2
J4401-1
1
A+
UHF Band 1 (403–470 MHz) 25–40 W LDMOS Power Amplifier
Summary of Contents for PRO Series
Page 1: ...CDM Series and PRO Series Two Way Mobile Radios Detailed Service Manual 6881091C63 F ...
Page 4: ...Notes ...
Page 6: ...Notes ...
Page 8: ...Section 1 ii 6881091C63 F Notes ...
Page 12: ...Section 1 1 4 Radio Model Information 6881091C63 F Notes ...
Page 22: ...Section 1 2 10 Notes For All Schematics and Circuit Boards 6881091C63 F Notes ...
Page 46: ...Section 2 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 78: ...Section 3 1 20 Controller Board Audio and Signaling Circuits Section 6881091C63 F Notes ...
Page 80: ...Section 3 2 2 Troubleshooting Flow Chart for Controller 6881091C63 F Notes ...
Page 84: ...Section 3 3 4 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 146: ...Section 3 3 66 Controller T6 T7 Schematics and Parts Lists 8471235L06 Notes 6881091C63 F ...
Page 152: ...Section 4 1 4 Technical Specifications 6881091C63 F Notes ...
Page 168: ...Section 4 3 8 Troubleshooting Flow Chart for VCO 6881091C63 F Notes ...
Page 172: ...Section 4 4 4 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 232: ...Section 5 1 4 Technical Specifications 6881091C63 F Notes ...
Page 242: ...Section 5 2 10 UHF Band 1 403 470 MHz 1 25 W Frequency Synthesis 6881091C63 F Notes ...
Page 296: ...Section 6 1 4 Technical Specifications 6881091C63 F Notes ...
Page 306: ...Section 6 2 10 UHF Band 2 450 512 527 MHz 1 25 W Frequency Synthesis 6881091C63 F Notes ...
Page 316: ...Section 6 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 352: ...Section 7 3 6 Troubleshooting Flow Chart for VCO 6881091C63 F Notes ...
Page 356: ...Section 7 4 4 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 458: ...Section 8 1 4 Technical Specifications Section 6881091C63 F Notes ...
Page 474: ...Section 8 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 496: ...Section 9 1 4 Technical Specifications Section 6881091C63 F Notes ...
Page 512: ...Section 9 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 530: ...Section 10 1 4 Technical Specifications Section 6881091C63 F Notes ...
Page 546: ...Section 10 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 564: ...Section 11 1 4 Technical Specifications 6881091C63 F Notes ...
Page 580: ...Section 11 3 8 Troubleshooting Flow Chart for VCO 6881091C63 F Notes ...
Page 582: ...Section 11 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 608: ...Section 12 1 4 Technical Specifications 6881091C63 F Notes ...
Page 624: ...Section 12 3 8 Troubleshooting Flow Chart for PassPort 6881091C63 F Notes ...
Page 626: ...Section 12 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...
Page 654: ...Section 13 1 4 Technical Specifications 6881091C63 F Notes ...
Page 672: ...Section 13 4 2 Allocation of Schematics and Circuit Boards 6881091C63 F Notes ...