Motorola GP540 Service Information - Page 23
Browse online or download pdf Service Information for Portable Radio Motorola GP540. Motorola GP540 30 pages. Professional radio, power distribution and controller
Also for Motorola GP540: Service Information (32 pages), Service Information (30 pages)
Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06)
UNSWB+
C475
10uF
U420
R499
R423
TDA8547
10K
82K
C447
R472
0.1uF
6.2K
16
IN1POS
AUDIO
17
R498
IN1NEG
15
10K
IN2POS
R431
14
IN2NEG
C448
R424
470K
0.1uF
36K
6
SELECT
4
MODE
5
SVR
C476
10uF
SWB+
C450
R471
NU
5.6K
Q410
6
4
1
2
3
AUDIO_PA_ENA
R473
10
C442
0.1uF
20 11
3
18
OUT1POS
OUT1NEG
8
OUT2POS
13
OUT2NEG
2
NC1
C443
7
NC2
9
0.1uF
NC3
12
NC4
EXT_MIC
19
NC5
R435
2K
R434
330
5V
C444
100pF
R436
0
Vdda
C440
4.7uF
EXT_SPKR_SEL
OPT_SEL2
OPT_SEL1
L401
390nH
C445
100pF
SCI_RX
SCI_TX
L400
R421
2K
390nH
RSSI
C441
FLAT_RX_SND
100pF
BOOT_CTRL
INT_MIC
VR432
5.6V
C497
100pF
C496
100pF
C495
C494
100pF
100pF
SWB+
VR445
10.0V
R450
68
C471
C472
100pF
C473
100pF
100pF
R477
1K
VR433
VR450
C493
10.0V
5.6V
100pF
C490
100pF
C492
100pF
C491
100pF
M401
Controller Audio Power Amplifier
3-13
VR446
VR447
10.0V
VR449
10.0V
VR448
10.0V
10.0V
J403
20 PIN CONNECTOR
J403-1
GND
J403-2
INT_SPK+
J403-3
INT_SPK-
EXT_SPK+
J403-4
EXT_SPK-
J403-5
OPT_B+
J403-6
EXT_MIC
J403-7
J403-8
OPT_SEL_2
J403-9
OPT_SEL_1
J403-10
GND
Rx_DATA
J403-11
J403-12
Tx_DATA
J403-13
GND
J403-14
RSSI
J403-15
Rx_AUDIO/Tx_AUDIO
J403-16
BOOT_CTRL
J403-17
NC
MIC
J403-18
J403-19
GND
VR434
J403-20
GND
6.8V
VR460
6.8V
ZMY0130079-D