Motorola CDM Series Detailed Service Manual page 515

UHF Band 1 (403–470 MHz) 25–40 W Bipolar PCB 8480643Z06, Schematics, and Parts Lists
PASUPVLTG
L4402
PASUPVLTG
PASUPVLTG_UHF_PA_1
57R01
C4481
C4485 C4602 C4632
3000pF NU
30pF .033uF
R4633
NU
VR4472
5.6V
NU
ALT
9V3
9V3_UHF_PA_1 L4403
R4497
390nH
C4488 C4418
C4404 51
100pF 0.1uF L4401
11.03nH
C4486
100pF
30pF
C4403
3.9pF
L4411
TX_INJ_UHF_PA_1 390nH
R4405
C4407
TXINJ
200
0.1uF
4 to 6 dBm
C4462
R4433
NU
NU
C4417
16 6
RFIN RFOUT1
7
RFOUT2
14 2 100pF
VD1 VG1
C4410 C4401
11 3
G2 VG2
100pF
100pF 1
VCNTRL
8
NC1
9 U4401
R4402 NC2
10
30C65
NC3
15
15 NC4
R4403
R4401
300
300
Load
R4487
100K
R4427
10K
R4412
C4416
5.6K
R4488
.022uF
2.7K
R4411
NU
C4414
R4428
1000pF
4.7K
4.5 VDC (44W)
4.4 VDC (28W)
TP4533
CNTLVLTG_UHF_PA_1
R4514
CNTLVLTG
3.3K
C4495
C4484
C4490
1000pF
C4436
30pF
NU C4497
C4421 10uF
C4489
1000pF
NU
.033uF
L4541
57R01
L4474
BLM31A02PT
9V3
NU
9V3
R4495
51
R4525
L4543 C4483
NU 13.85nH
100pF
C4487 C4412
100pF Load
30pF
C4409
0.1uF
C4424
C4431
30pF
NU
R4414
NU
6 Q4421
C4453
C4434
NU
2
39pF
C4461 C4447 C4419
NU NU 36pF
C4455
NU
R4415
R4416
100
100
D4402
R4459
NU
3.7 to 3.9 VDC NU
TP4536
R4481
NU
Q4451
C4456
C4426 C4457
C4425
R4408 C4446
NU NU
100pF
.022uF 100pF
20K
R4480
PCIC_MOSBIAS_1
10K
R4431
NU
R4422
620
9V3
R4423
620
R4424
6.5 VDC (44W)
Q4473
620 6.2 VDC (28W)
R4425
620
C4478
C4493 1000pF C4482
C4438
NU
30pF 0.1uF
L4421
57R01
C4422 C4439
C4423
1uF 100pF 100pF
R4600
4.7
Q4441
MRF650
C4435
C4432
C4449
27pF
Q4431
30pF 4
33pF
R4601 MRF5015
C4450
7
4.7
G1
16pF
8
G2
9 L4441
C4460
R4602 G3
13.85nH
G4 10 39pF
G
4.7
L4440
C4420
57R01
43pF
C4437
NU
D4403
NU
R4486
R4607
R4631 R4485
120
1K NU
120
R4507
10K
R4476
NU
R4632
C4630
24K
0.1uF
R4630 C4476 C4520
NU NU NU
TP4537
2.4 to 2.6 VDC
BIAS_2_UHF_PA_1
MOSBIAS_2
PA_PWR_SET_1_UHF_PA_1
PA_PWR_SET PA_PWR_SET
A+
L4436
57R01
L4437
R4471
17nH
NU
2
C4441 C4443
30pF 6.8pF
C4466 C4465
R4457
NU
NU
3
C4491 120
C4442 C4444
10pF
39pF NU C4459
1 100pF
R4409
9V3
D4451
100K R4473 C4452
D4452
4.3K NU
R4421
VR4473
10
5.6V
D4453
R4506
R4472
R4474 10K
NU
100K
C4507
C4464
100pF C4499
C4470
100pF R4513
NU
A+
NU
10K
VR4471
5.6V
R4512
Q4471
470
3.11 VDC (44W) 9.2 VDC
2.2 VDC (28W)
TP4530
TP4531
R4475
R4504
0
10K
CLK_VHF_PA_1
R4455 K9V1_UHF_PA_1 CLK
C4451 K9V1 DATA_VHF_PA_1
NU
NU
DATA
CSX
TEMPSENSE_UHF_PA
CSX_VHF_PA_1
TEMPSENSE
9V3
U4502 0.75 VDC
1
TP4532
POS
R4501
2
VOUT
5.6K
GND R4502
3
LM50 C4522
1000pF
UHF Band 1 (403–470 MHz) 25–40 W Bipolar Power Amplifier
Section 9: 4-5
1 J4401-1
2 J4401-2
3 J4401-3
C4492
D4471 L4493 L4491 L4492
17nH 17nH 17nH
100pF
C4496 R4491
C4494 C4448 5.6pF 11K
C4469
C4498 10pF 12pF
100pF
6.8pF
C4463
NU
C4474
L4472 12pF
RX_IN_VHF_PA_1
17nH
RXIN
C4480 C4475
D4472 NU 2pF
R4496
L4473
82
43.67nH
C4472
R4511
36pF C4510
51
36pF
C4473
C4479
100pF
100pF
Q4472
9V3
PCIC_MOSBIAS_1
GND2 V45
25 16
C4505
CLK VG
26 15
R4492
1uF
9V3 BPOS V10
27 14
U4501
DATA CQX
28 13
CEX H99S-4 CQ
29 12
10K
TEMP Q
30 11
RSET QX
31 10
ANO F168
9
32
C4506
R4482
2200pF
9V3 300K
R4484 3.1 VDC (44W)
2.2 VDC (28W)
C4504
68K
PA_PWR_SET
.02uF
C4502
C4521
.015uF R4483
68K 100pF
R4503
100K
3.9K
ALT
C4503
R4523
2200pF
NU
ZWG0130271-A
6881091C63-F