Motorola GP Series Service Manual page 147

Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03)
UNSWB+
C475
10uF
U420
R423
82K TDA8547
20
R498
VCC1
C447 R472 10K
16
0.1uF IN1POS
6.2K
17
AUDIO IN1NEG
R431 15
IN2POS
470K
14
IN2NEG
C448
R499
0.1uF
10K
R424
6
SELECT
4
MODE
36K
5
SVR
C476
10uF
SWB+
R471
5.6K
C450
0.1uF
6 4
1 2 3
AUDIO_PA_ENA
Band R472 R423 C474 C477
PCB
UHF B1 8480450Z03
UHF B2 8485641Z02
not not
300R1 8485726Z04 36K 470K placed 100pF 100pF 100pF 470pF 470pF
placed placed
GP1280
UHF B1 8480587Z01
UHF B2 8485677Z01
VHF 8486062B12 6.2K 82K .01uF 1000pF 1000pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF
8486062B14 6.2K 82K .01uF 1000pF 1000pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF 470pF
VHF
not
300R1 not
8485726Z01 3.6K 47K
placed placed
not not
8480641Z03 36K 470K
800 MHz
placed placed
8480450Z13 not not
36K 470K
UHF B1
placed placed
8480450Z14
C474
.01uF
R473
10
C442
0.1uF
11
VCC2
3
OUT1POS
18
OUT1NEG
8
OUT2POS
13
OUT2NEG
2
NC1
7
NC2
9
NC3
12
NC4 EXT_MIC
19 C477 C478
NC5
1000pF
1000pF
R434
6.2K
5V
C444*
100pF
R436
Vdda
0
Q410
4.7uF
EXT_SPKR_SEL
C478 C445 C441 C471 C472 C473 C483 C484 C490
not not not
placed 100pF 100pF 100pF 100pF 100pF
placed
not not not
100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF 100pF
placed placed placed
not not not
68pF 68pF 68pF 68pF 68pF 68pF
placed placed placed
not not not
placed 100pF 100pF 100pF 470pF 470pF 100pF 100pF 100pF 100pF
placed placed
OPT_SEL2
L401
C443 390nH
0.1uF
C445
470pF
R435
2K
SCI_RX
SCI_TX
R421 L400
2K 390nH
RSSI
FLAT_RX_SND
C441
C440
470pF
BOOT_CTRL
INT_MIC
C497
VR432
470pF C496
5.6V
470pF
C491 C492 C495 C496 C497 VR445 VR446 R498
not
100pF 10.0V 10.0V
placed
not not
not
470pF 470pF
placed placed
placed
not not
10K
placed placed
not
10.0V 10.0V
placed
not
68pF 68pF 68pF 68pF 68pF 10.0V 10.0V
placed
100pF 100pF 10.0V 10.0V 10K
SWB+
R450
OPT_SEL1
68
C471
C472
470pF
470pF C473
470pF
R477
1K
C493
VR450
VR433
100pF
10.0V C490
5.6V
C495 470pF
470pF
C494
100pF
R499
not
placed
not
placed
10K
not
placed
not
placed
10K
3-7
VR447 VR448
VR449
C484
10.0V 10.0V
10.0V
470pF
C483
470pF
J403
20 PIN CONNECTOR
J403-1 GND
J403-2
INT_SPK+
J403-3 INT_SPK-
J403-4 EXT_SPK+
J403-5
EXT_SPK-
J403-6 OPT_B+
J403-7 EXT_MIC
J403-8 OPT_SEL_2
J403-9 OPT_SEL_1
J403-10 GND
J403-11 RX_DATA
J403-12 TX_DATA
J403-13 GND
J403-14 RSSI
J403-15 RX_AUDIO/TX_AUDIO
J403-16 BOOT_CTRL
J403-17 NC
J403-18 MIC
J403-19 GND
VR434
6.8V
J403-20 GND
C492
470pF
C491
470pF
ZWG0130110-D
Controller Audio Power Amplifier