Motorola GP338 Plus - Controller Audio Power Amplifier Schematic Diagram

4-26
ZMY0130820-O
AUDIO
R424
36K
470K
R431
0.1uF
C448
C447
0.1uF
36K
R472
R499
10K
470K
R423
R498
10K
5
6
17
16
14
15
4
5102463J44
TDA8547
U420
SVR
VCC1 VCC2
NC3
9
NC4
12
NC5
19
18
OUT1NEG
3
OUT1POS
13
OUT2NEG
8
OUT2POS
SELECT
10
GND2
IN1NEG
IN1POS
IN2NEG
IN2POS
MODE
NC1
2
NC2
7
1
GND1
20
11
C476
10uF
C475
10uF
UNSWB+
NU
20K
R471
100pF
C450
SWB+
UMG5
4802245J54
Q410
2
AUDIO_PA_ENA EXT_SPKR_SEL
6
4
1
3
MMQA5V6T1
4805656W08
VR432
5.6V
(3.3V)
100pF
C441
R436
0
390nH
L400
C440
4.7uF
R421
2K
Vdda
INT_MIC
5V
EXT_MIC
R435
2K
330
R434
0.1uF
C443
L401
390nH
100pF
C444
C445
100pF
BOOT_CTRL
FLAT_RX_SND
SCI_RX
SCI_TX
RSSI
R473
10
C442
0.1uF
OPT_SEL2
OPT_SEL1
1W
100pF
C473
68
R450
100pF
C471
100pF
C472
SWB+
100pF
C496
C497
100pF
100pF
C495
C494
100pF
10V
VR450
MMQA5V6T1
4805656W08
VR433
5.6V
4880140L15
MMBZ5240B
C491
100pF
C493
100pF
100pF
C492
C490
100pF
VR445
10V
VR448
10V
10V
VR447
10V
VR449
VR446
10V
20 PIN CONN
J403
4880140L15 x 5pcs.
0909059E04
GND
RSSI
GND
INT_SPK-
EXT_SPK+
OPT_SEL_1
RX_DATA
TX_DATA
RX_AUDIO/TX_AUDIO
BOOT_CTRL
GND
GND
INT_SPK+
NC
GND
MIC
EXT_SPK-
OPT_B+
EXT_MIC
OPT_SEL_2
J403-5
J403-4
J403-8
J403-15
J403-14
J403-18
J403-9
J403-6
J403-16
J403-19
J403-10
J403-3
J403-1
J403-13
J403-7
J403-12
J403-2
J403-17
J403-20
J403-11
1K
R477
MMBZ5240B
Controller Audio Power Amplifier Schematic Diagram