Motorola GP344 - Page 109

PCB and Schematic Diagrams IP67 3-57
EXT_MIC
OPT_SEL_2
BOOT_CTRL
INT_SPK+
NC
4805656W08
MIC
MMBZ5240B
MMQA5V6T1
1W
GND
RSSI
4802245J54
5102463J44
INT_SPK-
EXT_SPK+
OPT_SEL_1
RX_DATA
TX_DATA
EXT_SPK-
OPT_B+
RX_AUDIO/TX_AUDIO
MMBZ5240B 4880140L15 x 5pcs.
(3.3V)
GND
4880140L15
MMQA5V6T1
4805656W08
UMG5
GND
GND
0909059E04
,
20 PIN CONN
J403
GND
NU
J403-1
C450
100pF
J403-20
J403-17
J403-11
C472
470pF
J403-3
J403-5
J403-4
10V
VR445
10uF
C475
C441
470pF
2K
R435
C495
470pF
C494
470pF
5.6V
VR433
C471
C444
470pF
470pF
VR449
10V
C473
470pF
8
SELECT
6
SVR
5
1CCV
20
2
CCV
11
10V
VR448
NC1
7
NC2
9
NC3
12
NC4
19
NC5
OUT1NEG
18
OUT1POS
3
OUT2NEG
13
OUT2POS
1DN
G
1
2DNG
01
IN1NEG
17
IN1POS
16
IN2NEG
14
IN2POS
15
MODE
4
2
U420
TDA8547
C497
470pF
J403-2
10uF
C476
470pF
C490
J403-19
J403-16
J403-10
390nH
L400
R471
20K
36K
R424
R431
470K
VR447
10V
J403-9
0
R436
10
R473
VR432
10K
R498
5.6V
R450
68
R472
6.2K
J403-14
390nH
L401
C491
470pF
J403-18
VR450
10V
C496
J403-13
470pF
0.1uF
C448
0.1uF
C447
J403-7
J403-8
J403-15
2K
C442
R421
J403-12
0.1uF
10K
R499
R423
82K
13
10V
VR446
Q410
2
64
C440
4.7uF
470pF
C493
R434
330
470pF
J403-6
C492
0.1uF
C443
C445
1K
470pF
BOOT_CTRL
R477
Vdda
SWB+
AUDIO_PA_ENA EXT_SPKR_SEL
5V
FLAT_RX_SND
INT_MIC
OPT_SEL2
EXT_MIC
SCI_RX
SCI_TX
SWB+
RSSI
OPT_SEL1
AUDIO
UNSWB+
Controller Audio Power Amplifier Schematic Diagram
8471678L01/8471679L01