LG BD370 - Page 97

4-16
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Only for training and service purposes
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1-2. Block Diagram
Clock
GPIO
2M-byte
Serial Flash
ARM
Micro-controller
GIO
BD/DVD/CD
Demodulation Unit
PRML
PLL
RF Circuit
Unit
Panel
Control
Unit
Laser Power
Control Logic
Tray &
Actuator
Control
Unit
Servo
Control
Unit
Spindle Control
System Control
Unit
SATA
Interface
Unit
1M-word SDRAM
Buffer
Memory
Controller Unit
BD/DVD/CD
Decode Engine
ATIP/ADIP/Pre_pit Sync
Protection &
ECC check &
Target Search
SATA
Transmit/
Receive
PUH signal
PUH signal
Panel Control
Laser Control
Tray &
Actuator
Control