Motorola GM950E Service Manual page 74

R0461
47K
PC5
C0461
.01uF
R0464
PB4
10K
R0465
0
NU
J0103_8
C0462
470pF
+5V
R0436
47K
PC3
Q0432
C0435
47K
.01uF
47K
R0438
PB7
10K
R0439
0 C0438
0
.01uF
NU
J0102_3
C0439
470pF
C0401
.100uF
R0401
RX_AUDIO
4.7K C0402
.0033uF
R0402
1K
+5V
R0404 R0407
10K
Q0401 15K
R0405
AUDIO_PA_ENABLE
10K
C0403
0.1uF
NU
INT_SPKR-
INT_SPKR+
FLT_A+ FLT_A+
+5V +5V
Schematic Diagrams and Parts Lists
+5V
R0413
R0462
47K
4.7K
(GP5)
PC2
Q0461
47K
C0413
.01uF
C0464
47K
R0463 VR0464
470pF
270 14V
Q0462
R0411
PB5
10K
C0463
.01uF R0415
0
NU
J0103_7
C0414
470pF
PA2
R0437
4.7K
(GP6)
J0102_7
R0435
270
C0436
VR0435
470pF
14V
Q0433
FLT_A+
C0407
.1uF
C0419
.001uF
SW_B+ U0401
TDA1519C
7
R0406
VCC
22K
9
INV L0401
4 C0405
1 VR0419
NINV OUT1
3 .001uF 14V
RR
8 6
M_SS* OUT2
L0402
2 5
C0404
47uF
C0406 VR0420
.001uF
C0420
.001uF
+5V
R0412
4.7K
(GP3)
Q0412
47K
47K
C0412
R0414
VR0411
470pF
270
14V
Q0411
C0411
.01uF
D0471
NU
XX
EMERGENCY_CONTROL
XX
XX
+5V
FLT_A+
(GP4)
R0474 R0475
47K
4.7K
R0472
0
Q0471
47K
R0471 R0473
0 68K
47K
NU NU
R0476
270
C0472
470pF
C0471
470pF
MIC
C0421
470pF
+5V
R0426
47K
R0427
0
PE3
(IGNITION_SENSE)
FLT_A+
NU 47K
Q0421
47K
R0422
14V
NU IGNITION_CONTROL
10K
C0422
VR0422
470pF
5.1V
UHF GM950i, Controller_IO Schematic Diagram
+5V
+5V
(GP1)
R0431 R0432
47K 4.7K
PC1
Q0431 47K
47K
C0431
470pF
+5V FLT_A+
(GP2)
R0442 R0443
4.7K 4.7K
NU
Q0441
R0441
NU
10K
C0442
PC0 470pF
Q0442
XX
C0441
.01uF
XX
XX
R0477
10K
NU
R0444
BUS+
270
C0444
VR0444
470pF
5.1V
VR0471
33V
C0445
VR0421
FLAT_TX_AUDIO
14V
.47uF
VR0445
R0446 C0446
14V
100K 470pF
R0450
C0450
560
FLT_RX_AUDIO
47uF
R0451 C0451
100K
470pF
VR0450
14V
R0454
1K
RSSI_BUF
R0423
VR0454
C0455
4.7K
14V
470pF
NU
R0425
10K
0102725B33_IO
(64 CHANNEL 12,5kHz)
0102725B39_IO (64 CHANNEL 20/25kHz)
GEPD5462 -1
UHF GM950i, Controller_IO Schematic Diagram
VR0431
14V
VR0441
33V
J0400
(IN)
3 GP1
4 GP2 (OUT)
6 BUS+
8 GP3 (IN/OUT)
12 GP5 (IN/OUT)
14 GP6
(IN/OUT)
15 RSSI
16 EXT_SPKR+
1 EXT_SPKR-
2 EXTERNAL_MIC_AUDIO
10 IGNITION
(IN)
9 GP4
5 FLAT_TX_AUDIO
11 FLT_RX_AUDIO
13 ANALOG_GND/SW_B+
7 GROUND
C0454
470pF
SW_B+
R0455
0
R0456
0
NU
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