Alpine TMX-R2000 - Front Passenger Key Board Schematics

5 5
4 4
3 3
2 2
1 1
D D C C B B A A
AV MUTE Backlight
PLAY/PAUSE Backlight
FM ON/OFF Backlight
0V 0.21V
FM ON/OFF PLAY/PAUSE
3-1 FRONTPASSENGERKEY
V0.8 EN2
FRONTPASSENGERKEY BOARD
A
11Friday, July 07, 2006
Title Size Document Number Rev Date: Sheet
of
LED3
FM_ONOFF
FM_ONOFF ADC_KEY2 LED3
ADC_KEY2
LED3 FM_ONOFF ADC_KEY2
5V
MCU3.3V
5V
MCU3.3V
5V
5V
MCU3.3V
D2 LED-Y
TP5
1
SW1
SW-6*6*4.3
1 2
R20 0R 0805
˄˅
R6 0
Q1 2N3904
1
2 3
TP4
1
J1
CON7/1.25MM
1 2 3 4 5 6 7
TP2
1
C1 0.01uF
Q4
2N3904
1
2 3
R5 330
R11 10K
D3 LED-B
Q2 2N3906
Q3
2N3904
1
2 3
D1 LED-B
R13 10K
TP6
1
SW2
SW-6*6*4.3
1 2
R12 10K
R14 10K
TP3
1
EC1 10uF/16V L1FB
TP1
1
R3 10K
R4 1K
R8 1K
C2 0.1uF
D4
LED_Y
D5
LED_B
R1 330R
R2 330R
R9 330
R10 330
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