Data Expansion Head Enhanced Main Board - Gabel Hybrid (Pcb: 8466586A01_A) - Motorola MTM800 User Manual

8.2 - 18
SPKR1_IN
SPKR2_IN
AUDIO_OUT
CAR_TX_AUDIO
3V
R111
47K
RADIO_EXP_PTT
5V
R112
10K
NU
Q102
R1
R2
R116
10K
SPKR+
SPKR-
C616
470pF
NU
R620
10K
C613
10uF
VCC
4 6
7
5
G
VAG_1
11
U201-2
MC3403
C611
0.1uF
5V
Q103
C202 R618
10uF 12.4K
AUDIO_IN
R117
R119
0
10K
NU VAG_1
R118 R120
10K 4.7K
25PIN_EXP_PTT

Data Expansion Head Enhanced Main Board - Gabel Hybrid (PCB: 8466586A01_A)

R205
0
R206
0
R625
C608
10K
1uF
VCC
C610
0.1uF
NU
R626
U603
0
MAX4544EUT
NC 4
NU
5 R627
COM 0
6
1 IN NO R619 C203
10K 1uF
C614
470pF
NU
R209
R617
47.5K
6.2K
VCC VCC
R208
U201-3
47.5K
9 4 MC3403
2 4 8
1 10
G
VAG_1
11
3
G
11
U201-1
MC3403
CAR_RX_AUDIO
ENHANCED CONTROL HEADS: SCHEMATICS, PCBs and PARTS LISTS
SPKR+
SPKR-
25PIN_INT_MIC
R212
R213
0 0
NU NU
R210
47.5K
VCC
4 13
14
12
11
U201-4
MC3403
47.5K
R211
R216
G
VAG_1 47.5K
R217
47.5K
R214
47.5K
R215 47.5K
R218
47.5K
R220
392
R221
392
SPKR1_OUT
SPKR2_OUT
47.5K
R219
AUDIO1
C615
82pF
NU
AUDIO2