Motorola GP338 Plus - Controller Audio Power Amplifier Schematic Diagram

4-15
ZMY0130782-O
0.1uF
C447
470K
R431
36K
R424
36K
R472
C448
0.1uF
D
IO
470K
R423
R499
10K
10K
R498
6
SELECT
5
SVR
20
VCC1
11
VCC2
NC2
7
NC3
9
NC4
12
NC5
19
18
OUT1NEG
3
OUT1POS
13
OUT2NEG
8
OUT2POS
1
GND1
10
GND2
17
IN1NEG
16
IN1POS
14
IN2NEG
15
IN2POS
4
MODE
NC1
2
TDA8547
U420
C476
10uF
C442
0.1uF
R473
10
C475
10uF
UNSWB+
SWB+
UMG5
4802245J54
C450
NU
2
Q410
R471
20K
AUDIO_PA_ENA
EXT_SPKR_SEL
6
4
1
3
L401
390nH
0.1uF
C443
330
R434
R435
2K
470pF
C444
5V
EXT_MIC
470pF
C445
(3.3V)
R436
0
C440
4.7uF
R421
2K
Vdda
C441
470pF
390nH
L400
INT_MIC
FLAT_RX_SND
BOOT_CTRL
SCI_RX
SCI_TX
RSSI
MMQA5V6T1
4805656W08
VR432
5.6V
1W
68
R450
C471
470pF
470pF
C473
470pF
C472
OPT_SEL2
SWB+
OPT_SEL1
MMBZ5240B 4880140L15
x 5pcs.
10V
VR447
10V
VR449
10V
VR445
VR446
10V
VR448
10V
0909059E04
20 PIN CONN
J403
4880140L15
MMBZ5240B
470pF
C495
10V
VR450
C496
470pF
C494
470pF
470pF
C497
4805656W08
MMQA5V6T1
VR433
5.6V
470pF
C490
C492
470pF
C493
470pF
470pF
C491
1K
R477
EXT_SPK-
INT_SPK+
NC
BOOT_CTRL
GND
GND
INT_SPK-
EXT_SPK+
OPT_B+
EXT_MIC
OPT_SEL_2
OPT_SEL_1
GND
NC
NC
RX_DATA
TX_DATA
GND
RSSI
RX_AUDIO/TX_AUDIO
GND
MIC
J403-6
J403-19
J403-7
J403-14
J403-15
J403-16
J403-22
J403-17
J403-21
J403-8
J403-3
J403-18
J403-13
J403-12
J403-2
J403-20
J403-10
J403-11
J403-5
J403-4
J403-1
J403-9
Controller Audio Power Amplifier Schematic Diagram