Hitachi GCR-8480B User Manual page 24

BLOCK DIAGRAM
5
4
Disc
Motor unit
SPINDLE FOCUS
MOTOR COIL
3
M63026FP
MOTOR DRIVE
2
+5V
GND
GND
+12V
1
A
32
Optical
Pick-up
TRACKING SLED LOADING
COIL MOTOR MOTOR
3.3V Reg. +3.3V
+5V
GND
GND
+12V
LA9246T
RF Amp.
33.86MHz
HMS895300
DSP+Decoder+DRAM
+System controller
B
I/F Cable
FLASH
MEMORY
C
H
O
S
T
R-ch
L-ch
Line-out
D