LG CRD-8483B Service Manual page 24

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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

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