Pioneer DV-C503 Service Manual page 17

5
QQ
3 7 63 1515 0
F
3/3
20MHz
F
3/3
F
3/3
TE
L 13942296513
Disc Clamp state : H
Others : L
F
1/3
www
.
5
http://www.xiaoyu163.com
6
F
1/3, 3/3
SYSTEM CONTROL CPU
Disc detection signal
input pin
F
1/3
x ao u163
y
i
F
1/3
6
http://www.xiaoyu163.com
2 9
8
SH
Q Q
3 6 7 1 3 1 5
Tray Open state : H
Tray Close state : L
Disc Detection state : L
F
3/3
Q3
Q3
co
RN1911
F
1/3
.
: The power supply is shown with the marked box.
7
9 4 2 8
F
1/3, 3/3
0 5 8 2 9 9 4 2 8
F
1/3
F
Normal state : L (0V)
1/3
Traverse Mecha.down state : H (3.3V)
m
F
7
8
DV-C503
9 9
A
F
3/3
B
F
1/3
9 9
F
1/3
Tray position signal
input pin
C
G 2/3
CN101
VKN1626
D
2/3
17
8