Motorola 6864115B62-C Detailed Service Manual page 291

UHF 1-25W Band1 PCB 8485670Z02 / Schematics
L4402
PASUPVLTG_UHF_PA_1
PASUPVLTG
57R01
C4405 C4406
100pF 100pF
A
L4421
9V3_UHF_PA_1
57R01
9V3 9V3FLT
C4421
.033uF
U_PREDRIVER
C4403
L4403
C4402
47nH
.022uF
9.1pF
C4404
L4401
11.03nH
100pF
TXINJ_UHF_PA_1
C4400
TXINJ
R4400
51
470pF
C4407
TP4401
100pF
U4401
30C65
C4401
R4402
6
16
RFIN RFOUT1
7
15
RFOUT2
100pF 14 2
VD1 VG1
11 3
R4401 G2 VG2
R4403 1
VCNTRL
300 300 8
NC1
9
NC2
10
NC3
15
NC4
C4415
.022uF
A+
Q4411
INT_SWB_UHF_PA_1
C4428
INT_SWB
NC
2200pF
MOSBIAS_2_UHF_PA_1
MOSBIAS_2
R4512
R4511
10
R4510
R4444
U_PREDRIVER
NU
R4445
U4402-1 2.4K
4
1
3
8 2
MC33072
PA_SWB
C4440
1000pF
9V3FLT
R4513 R4514
51 51
U_DRIVER
C4423
C4411 C4412
L4411
1uF
47nH .022uF 100pF
R4450
10 L4422
NU 6.61nH
Q4421
C4417
51pF
C4418 C4419 C4424
C4420 R4416
4.3pF NU 18pF 15pF
51 1
R4415
C4413
R4411
51
NU
NU
C4414
100pF
C4425 C4426
0.1uF
100pF
C4416 R4412
R4424 2.7
100pF NU
R4425
2.7
9V3FLT U_DRIVER
R4426
2.7
R4422
R4428
3.6K R4427
2.7 2.4K
PA_SWB R4421
5
4
7
27K
6
8
PA_SWB
U4402-2
R4423
MC33072
39K
TP4406
C4427
2200pF
R4404
S5440
10K
SWITCH
Q4422
2
1
NU R4406
22K
R4440
NU
NU
Kit_0102727B46
9V3FLT
R4442
2.2K
R4441
39K
R4443
Q4442
39K
A+
C4436 C4437
L4436
10uF .033uF
57R01
C4439
100pF L4437
C4422
17nH
100pF
Q4441
1.542x4 GND1
C4431 0.8x25
GND2
G
22pF
C4455
C4454 C4457
C4458
C4432 56pF
8.2pF 13pF
56pF
22pF
NU
TP4403
R4431
M3421 R4432
POS
100 100
HEATSINK
C4435
C4434
C4471
100pF
0.1uF
D4401
NU
Q4471
NC
R4429
Kit_0102727B46
1K
R4417
NU
R4418
22K
DATA
9V3FLT
C4508
100pF
C4501
2200pF
TP4402
R4446
0
2.216x__ D4471
width 2.032
7.5
R4457
C4452 120
13pF
D4451
R4454 R4452
9V3FLT
A+
10K C4451
2.7K
C4453
1000pF
R4455
100pF
100K
R4475
10K
L4471
D4472
R4474 43.67nH
VR4471
51
3 5.6V
C4473
2 C4472
R4473
100pF
NC
36pF
51 36pF
1
TP4404
R4471
Q4472
470
C4509
MOSBIAS_1
25
CLK_UHF_PA_1 GND2
26
CLK CLK
27
DATA_UHF_PA_1 R4504 10K 9V3FLT BPOS
28
DATA
29
CSX CEX
30
31 TEMP
CSX_UHF_PA_1
RSET
32
ANO
U4502
R4508
LM50
1
100K
TP4405
POS
R4501 R4507
2
NC
VOUT 9V3FLT
6.8K
20K
GND
C4507 R4502
R4509
100pF 100K
3 1K
C4510
100pF
UHF (403-470MHz) Power Amplifier 1 - 25W
4-5
R4491
10K
J4401 - BNC
C4492
L4491 L4492 L4493
J4401-1
17nH 17nH J4401-2
17nH
100pF
J4401-3
J4401-4
C4498 C4496 C4497
C4491 J4401-5
11pF 11pF 5.6pF
6.8pF
L4472
17nH
C4474 RXIN_UHF_PA_1
RXIN
12pF
C4475
2pF
K9V1_UHF_PA_1
K9V1
RESET_UHF_PA_1
470pF
RESET
NU
FECTRL_1_UHF_PA_1
FECTRL_1
FECTRL_2_UHF_PA_1
NC NC
FECTRL_2
C4505
1uF
16
V45
15
VG NC
V10 14
9V3FLT
U4501
13
CQX NC
CQ 12
H99S-4 NC
C4506
Q 11
NC
10 2200pF
QX NC
F168 9
NC
C4504
15pF
PA_PWR_SET_UHF_PA_1
R4505
PA_PWR_SET
300K
CNTLVLTG_UHF_PA_1
R4413
CNTLVLTG
C4503 3.3K
470pF
R4506
NU
U4508
TEMPSENSE
ZWG0130520-B