Motorola Professional GP340 Service Manual page 121

Controller - Set 2 ( PCB 8486101B09/B10)
UNSWB+
C475
10uF
U420
R423
TDA8547
20 11
82K
VCC1 VCC2
C447
R472
16
0.1uF IN1POS OUT1POS
6.2K
17
AUDIO IN1NEG OUT1NEG
15
OUT2POS
IN2POS
R431 14
OUT2NEG
IN2NEG
C448 470K
R424
0.1uF
36K
6
SELECT
4
MODE
5
SVR
C476
10uF
5V SWB+
R499
10K R471
5.6K
C450
0.1uF
Q411
Q410
6 4 6 4
1 2 3 1 2 3
AUDIO_PA_ENA
NOTE:
Refer to next page for PCB 8486101B10 schematic
C474
.01uF
R473
10
C442
0.1uF
3
18
8
13
2
NC1
7
NC2
9
NC3
12
NC4
EXT_MIC
19 C477
C478
NC5
1000pF
1000pF
R434
330
5V
C444*
C446
100pF
470pF
R436
Vdda
0
C440
4.7uF
EXT_SPKR_SEL
OPT_SEL2
OPT_SEL1
L401
C443
390nH
0.1uF
C445
470pF
R435
2K
SCI_RX
SCI_TX
R421 L400
2K 390nH
RSSI
FLAT_RX_SND
C441
470pF
BOOT_CTRL
INT_MIC
C497
VR432
470pF C496
5.6V
470pF
SWB+
R450
68
C471
C472
470pF
470pF C473
470pF
R477
1K
VR450 C493
VR433
100pF
10.0V
C490
5.6V
C495 470pF
470pF
C494
100pF
Controller Audio Power Amplifier (8486101B09)
3-15
VR447 VR448
VR449
VR484
VR483
10.0V 10.0V 10.0V 10.0V
10.0V
C483
470pF
C484
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
ZWG0130291-O