Motorola GM1200E Service Manual page 77

FLT_A+
SW_B+
9V3
+5V
VPP
GPI1
GPO1
EXTERNAL_ALARM
RX_AUDIO
AUDIO_PA_ENABLE
INT_SPKR-
INT_SPKR+
0102726B20_IO
MIC
GM1200E
EXT_MIC
HOOK_RSS
GEPD5582
PCB/Schematic Diagrams and Parts Lists
FLT_A+
9V3 FLT_A+
Q0481
SW_B+
9V3
+5V R0481
1K
Q0482 D0481
R0482
1K
560
D0482
+5V
R0483
1K
R0432 1.5K
4.7K
R0431
10K
Q0431
R0433
NU
4.7K
C0432
.01uF
47K
NU
47K
R0435 Q0432
10K
C0433
.01uF
R0411
1
10K
C0411
.01uF
FLT_A+
NU
C0409
.1uF
C0401
R0401
C0405
4.7K
.100uF
SW_B+ .001uF
U0401
C0402 TDA1519C
R0402 7
.0033uF
1K
VCC
9
R0406
INV
1 4
22K NINV OUT1 L0401
3
RR
+5V
8 6
M_SS* OUT2
R0407
GND1 GND2
15K
R0404 L0402
2 5
10K
R0405 Q0401
10K
C0404
C0406
47uF
.001uF
C0403
.1uF
NU
R0413
0
C0413
R0414 R0415 R0416
NU NU
470 1K 100
.1uF
C0414
C0417
.0022uF 10uF
NU
NU
EMER_IGN_SENSE
SW_FLT_A+
EMERGENCY_CONTROL
IGNITION_CONTROL
VR0431
C0431
14V
FLT_A+
470pF
R0412
4.7K
2
VR0412
C0412
Q0411
33V
470pF
3
RSSI_BUF
C0410 VR0410
470pF 14V
C0407
VR0401
.01uF
14V
NU
VR0402
C0408
14V
.01uF
NU
C0415
VR0415
NU
470pF 14V
9V3
C0416 VR0416
470pF 14V
+5V FLT_A+
R0441
4.7K
R0442
R0440
3.3K
Q0441
68K
C0441
R0443
47K
470pF
47K
47K
C0442
VR0441
470pF
33V
D0441
2
3
1
R0451
R0449 R0450
4.7K
+5V
C0451 VR0451
FLT_A+
33K 4.7K
470pF 5.6V
+5V
Q0450
47K
R0428
47K 4.7K
NU
R0421
SCI_TX
560
VR0421
Q0421 C0421
VR0420
470pF
NU
5.6V
47K
47K
+5V
R0429
4.7K
NU
R0422
BUS+
270
VR0422
VR0423
C0422 14V
5.6V
470pF NU
47K
Q0422
NU
47K
+5V
R0423
4.7K R0420
270 270
R0424 SW_FLT_A+
C0423
REAR_PTT
470pF
270
VR0425
5.6V
C0425
R0425
470pF
0
C0418
FLAT_TX_AUDIO
R0426
0
.47uF
NU
VR0426 C0426
R0417
14V
470pF
100K
C0419
47uF
R0418
FLT_RX_AUDIO
51
C0427
VR0427
R0419 470pF
14V
100K
Controller_IO Schematic Diagram
Controller_IO Schematic Diagram
R0452
10K
NU
14V
NU
J0400
9 EMERGENCY_SWITCH
10 IGNITION
8 SCI_DATA_OUT
6 SCI_DATA_IN
12
4 EXTERNAL_ALARM
15 RSSI
16 EXT_SPKR+
1 EXT_SPKR-
2 EXTERNAL_MIC_AUDIO
14 HOOK
3 EXTERNAL_PTT
5 FLAT_TX_AUDIO
11 FLAT_RX_AUDIO
13 ANALOG_GND/SW_B+
7 GROUND
3 of 3
3.2-9