Schematic Diagram -Cd Mechanism Section - Sony HCD-GX25 Service Manual

3-5. SCHEMATIC DIAGRAM — CD MECHANISM SECTION — • Refer to page 35 for IC Block Diagrams.
1 2 3
A
BD BOARD
Q701
LD DRIVER
OPTICAL
B
PICK-UP
BLOCK
10V
C
D
10V
E
F
G
(SLED)
H
(SPINDLE))
IC722
FOCUS/TRACKING COIL,
I
SLED/SPINDLE MOTOR DRIVE
• Refer to page 20 for Waveforms.
4 5 6
10V
0
1.6 1.2
1 1.8
1.6 1.6
1.6 0
3.3
3.2
0
1.7 0
1.7 IC721
1.6 0
IC721
1.6
LC78646E_E
1.6 0
FOCUS/TRACKING/SLED/
1.6 1.6
SPINDLE SERVO,RF AMP
1.6 1.8
1.6
3.3
1.6 3.3 R746 33 R747 33
1.6
0.8
3.3 1.6
3.3
1.6
IC B/D
IC722
BA5836FP
IC731
7 8 9
R751 47k
R752 47k
R753 47k
R754 47k
CN751
4P
CN703
4P
RE701
CN741
TABLE CN731 CN742
3P 3P 5P
SENSOR
RPI-576
0.1
1.2
CN702
5P
TBL ADDRES SENS SWITCH
MOTOR(TB)
SENSOR BOARD
BOARD
23 23
10 11 12
MOTROR
(LD) IC701
(LD)
BOARD
SW
4.7k
BOARD
IC712
IC B/D
2P
1k
R713
22k
3.3
0.1
DTC114ESA
Q731
HCD-GX25
13 14 15
CN710 19P
A
MAIN
BOARD
CN312
(Page 26)
DRIVER BOARD
CN701
IC B/D
12P
B
MAIN
BOARD
CN309
(Page
27)