Motorola GP1280 Series Service Information - Page 17

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Motorola GP1280 Series Service Information
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