DV-C503
17
A
B
C
D
5
7
8
5
7
8
SH
SYSTEM CONTROL CPU
3/3
F
20MHz
3/3
F
3/3
F
1/3
F
3/3
F
1/3
F
1/3
F
1/3, 3/3
F
1/3, 3/3
F
3/3
F
1/3
F
1/3
F
1/3
F
1/3
F
1/3
F
3/3
F
Q3
Q3
RN1911
VKN1626
CN101
G
2/3
: The power supply is shown with the marked box.
Tray Open state : H
Tray Close state : L
Disc Clamp state : H
Others : L
Disc Detection state : L
Normal state : L (0V)
Traverse Mecha.down state : H (3.3V)
Tray position signal
input pin
Disc detection signal
input pin
2/3
F
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