LG CRD-8483B Service Manual page 24

BLOCK DIAGRAM
* MODEL: CRD-8483B
5
4
Disc
Motor unit
SPINDLE FOCUS
MOTOR COIL
3
MOTOR DRIVE
2
+5V
GND
GND
+12V
1
A
32
Optical
Pick-up
TRACKING SLED LOADING
COIL MOTOR MOTOR
M63021FP
3.3V Reg. +3.3V
+5V
GND
GND
+12V
MT1136AE
RF Amp.
33.86MHz
MT1198CE
DSP+Decoder+
System controller
B
DRAM
I/F Cable
FLASH
MEMORY
C
H
O
S
T
R-ch
L-ch
Line-out
D