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LG CRD-8402B Service Manual page 24

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BLOCK DIAGRAM
5
4
Disc
Motor unit
SPINDLE
FOCUS
MOTOR
COIL
3
2
+5V
GND
GND
+12V
1
30
Optical
Pick-up
TRACKING
SLED
LOADING
COIL
MOTOR
MOTOR
M63020FP
MOTOR DRIVE
3.3V Reg
+3.3V
+5V
GND
GND
+12V
2.7V Reg
+2.7V
A
CXA2581N
RF Amp.
16.93MHz
M37903F8CHP
System
Controller
B
CLOCK 33.86MHz
CXD3030R
DSP +
I/F Cable
DRAM +
I/F
AUDIO
Circuitry
C
H
O
S
T
R-ch
L-ch
Line-out
Headphone
Jack
D

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Crd-8480c