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

8.2 - 20
R301
10K
car_rx_audio
car_tx_audio
car_tx_data
car_rx_data
R318
R319 1.5K
2.2K
C303
470pF
R302
10K
VCC
R303
U301-4
10K
13 4 MC3403
14
12
G
VAG_1
11
5V
C309
0.1uF
7 6
B Z
U302
3 2
SN65LBC179
D R
8 5
A Y

Data Expansion Head Enhanced Main Board - Car Interface (PCB: 8466586A01_A)

C304
470pF
R304
10K
VCC
U301-3
C305
9 4 MC3403
1uF
8
10
G
VAG_1
11
C306
1uF
R309
10K
VCC
R310
C307
10K
0.22uF
U301-2
4 6
MC3403
7
R311 C308
5
0.22uF
10K
11
G
VAG_1
R312
R323
10K
33
R322
33
R320
33
R321
33
ENHANCED CONTROL HEADS: SCHEMATICS, PCBs and PARTS LISTS
VCC VCC
R307
R308
100K
100K
R305
330
R306
330
VCC VCC
R313 R314
100K 100K
R315
68
R317
R316 470
68
R325
150
R324
150
VR106
20V
car_rx_audio1
car_rx_audio2
car_tx_audio1
car_tx_audio2
car_rx_data1
car_rx_data2
car_tx_data2
car_tx_data1