Motorola 6864115B62-C Detailed Service Manual page 311

UHF 1-25W Band1 PCB 8485670Z03 / Schematics
L4402
PASUPVLTG_UHF_PA_1
PASUPVLTG
57R01
C4405 C4406
100pF 100pF
L4421
9V3_UHF_PA_1
9V3 9V3FLT
57R01
C4421
.033uF
U_PREDRIVER
C4403
9.1pF
L4403
C4402
C4408
18nH
.022uF 100pF
C4404
L4401
11.03nH
100pF
TXINJ_UHF_PA_1
C4400
TXINJ R4400
NU
51
470pF
C4407
TP4401 NU U4401
100pF
C4401 30C65
R4402
16 RFOUT1 6
RFIN
RFOUT2 7
14
15
100pF VD1
2
11
VG1
G2
3
VG2
1
R4401 R4403
VCNTRL
300
300 8
NC1
9
NC2
10
NC3
15
NC4
C4415
.022uF
A+
Q4411
INT_SWB_UHF_PA_1
C4428
INT_SWB
2200pF
MOSBIAS_2_UHF_PA_1
R4404
MOSBIAS_2
R4511
4.7
U_PREDRIVER
R4445
2.4K
U4402-1
3
4
1
8
LM2904 2
PA_SWB
C4440
1000pF
U_DRIVER
L4411 C4411 C4412
100pF
18nH .022uF
L4422
4.22nH
Q4421
C4417
22pF
C4419
C4418 C4420 C4424
39pF
4.3pF 15pF
18pF
R4416
NU
C4414
51
100pF R4415
R4411 51
C4413
6.8K
.022uF
NU
C4425
NU C4426
.01uF
100pF
C4416
R4424
R4412
2.7
100pF
6.8K
R4425
2.7
9V3FLT U_DRIVER
R4426
2.7
R4428
R4422
2.4K
2.2K R4427
2.7
PA_SWB R4421
5
4
39K
7
8
6
PA_SWB
U4402-2
R4423
LM2904
TP4406 39K
C4427
3300pF
47K Q4422
R4406
S5440
100K
SWITCH
1 2
R4440
0
NU
9V3FLT
R4442
2.2K
R4441
39K
R4443
Q4442
39K
A+
C4436 C4437
L4436
.033uF
10uF 57R01
C4439
100pF
C4423 C4422 L4437
100pF 17nH
1uF
Q4441
GND1
C4431
1.542x4
GND2 C4448
G 33pF
0.8x25
100pF
C4455 C4457 C4458
33pF
30pF 33pF
TP4403
M3421
R4431
1 POS
HEATSINK 51
C4435
C4434
100pF
.01uF
D4401
NC_D3401_2
R4429
R4417
2.7K
2.7K
NU
R4418
2.7K
9V3FLT
C4508
100pF
C4501
2200pF
TP4402
R4446
0
D4471
2.216x??
7.5 width 2.032
R4457
C4441 C4443 C4444 C4446 C4452
C4449 C4442 120
9.1pF
33pF 9.1pF 22pF 120pF 8.2pF
13pF
NU NU
NU
R4458 C4459
470 100pF
D4451
R4454 R4452
9V3FLT
A+
10K 12K
C4451
C4453
1000pF
R4455
100pF
100K
R4475
10K
R4474 L4471 D4472
390nH
VR4471
51
3
5.6V
C4471 C4472 C4473
R4473
36pF
100pF 36pF
2 51
1
TP4404
Q4471
R4471
Q4472
C4509
470
470pF
MOSBIAS_1
24
CLK_UHF_PA_1 GND2
R4504
25
CLK 26 CLK
10K
DATA_UHF_PA_1 9V3FLT 27 BPOS
DATA 28 DATA
CSX 29 CEX
30 TEMP
CSX_UHF_PA_1
31 RSET
32 ANO
U4502
R4508
1
LM50
100K
TP4405
POS
R4501 R4507
2
VOUT 9V3FLT
C4502
6.8K 20K
2200pF
GND
R4502
C4507
R4509
100pF 39K
3
1K
C4510
100pF
4-25
R4491
10K
J3401 - BNC/miniUHF
C4492
L4491 L4493
J4401-1
17nH J4401-2
17nH
39pF
J4401-3
C4496
J4401-4
C4498 6.2pF
C4497
C4491 J4401-5
11pF
9.1pF
5.6pF
NU
L4472
17nH
C4474
RXIN_UHF_PA_1
RXIN
100pF
C4475
5.6pF
K9V1_UHF_PA_1
K9V1
RESET_UHF_PA_1
RESET
FECTRL_1_UHF_PA_1
FECTRL_1
NU
FECTRL_2_UHF_PA_1
FECTRL_2
17
C4505
1uF
V45
16
U4501
VG 15
V10 9V3FLT
H99S-4
14
CQX 13
CQ
12
C4506
Q
11 2200pF
QX
10
F168
9
GND1
C4504
.01uF
PA_PWR_SET_UHF_PA_1
R4505
PA_PWR_SET
300K
CNTLVLTG_UHF_PA_1
R4413
CNTLVLTG
C4503
3.3K
470pF
R4506
10K
NU
U4508
TEMPSENSE
ZWG0130621-O
UHF (403-470 MHz) Power Amplifier
ZWG0130621-O