Alpine TMX-R2000 - Eject Key Board Schematics

5 5
4 4
3 3
2 2
1 1
D D C C B B A A
POWER Backlight
EJECT Backlight
DISC IN Idecater
EJECT
0V 0.21V
POWER
half light when power off full light when power on
LOADING/EJECTING Idecater
6-1 EJECTKEY
V0.8 EN2
EJECT BOARD
A
11Friday, July 07, 2006
Title Size Document Number Rev Date: Sheet
of
LED1 ADC_KEY3 LED2
LED2
ADC_KEY3
LED1
LED1 MCU3 LED2 ADC_KEY3
5V
MCU3.3V
5V
5VMCU3.3V5V
5V
5V
R13 1K
R15 0R (0805)
R11 3.3k
TP4
1
D3 LED-R
TP3
1
R2 5.1K
Q2 2N3904
1
2 3
SW1
SW-6*6*4.3
1 2
R14 330
R9 100
R6 0
J1
CON7/1.25MM
1 2 3 4 5 6 7
C1 0.01uF
R7 330 D1 LED-B
D2 LED-B
R8 680
SW2
SW-6*6*4.3
1 2
R4 10K
R12 10K
TP5
1
TP2
1
TP1
1
TP6
1
R5 10K
D4 LED-B
D5 LED-B
Q1 2N3904
1
2 3
Q3 2N3904
1
2 3
R10 330
C2 0.1uF
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