Printed Wiring Boards - Driver/Motor/Sensor (Cd) Boards; Schematic Diagram - Driver/Motor/Sensor (Cd) Boards - Sony HCD-GX8000 Service Manual

HCD-GX8000/RG77
Q Q
3 7 6 3 1 5 1 5 0
7-8. PRINTED WIRING BOARDS – DRIVER/MOTOR/SENSOR (CD) Boards – •
S701
DISC TRAY
OPEN/CLOSE DETECT
T E
L 1 3 9 4 2 2 9 6 5 1 3
7-9. SCHEMATIC DIAGRAM – DRIVER/MOTOR/SENSOR (CD) Boards – •
w w w
M721
(TURN)
IC711
SG-264
DISC TRAY
STATUS SENSOR
3.3 0.2
C712
x a o
0.1 y
S711
. i
OPTICAL PICK-UP
UP/DOWN DETECT
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See page 27 for Circuit Boards Location.
OPTICAL PICK-UP
UP/DOWN DETECT
IC711
4
1
14
(14)
Q Q
3 7 6
See page 48 for IC Block Diagram.
S701
DISC TRAY
OPEN/CLOSE DETECT
OPEN
CLOSE
D+3.3V
u 1 6 3
D. GND
30 30
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2 4
8 9 9
C712
14
(14)
3 1 5 1 5 0 8 9 2
TURN
MOTOR
DRIVER
D+3.3V
D+3.3V
m
c o
D. GND
D. GND
.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : CD PLAY
2
8 9 9
14
(14)
B
CN202
(Page 33) 4 9 8 2 9 9
(LOAD IN)
(LOAD OUT)
B
MAIN BOARD (1/4)
CN202
(Page 34)