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2. Hardware Block Diagram of LightScribe Label Printing
Host
PC
(Spindle)
uP
(DSP)
Power
Drive
Analog
Signal
Processor
MECHANISM
Optical
Pick-up
Optical
Encoder
(Sled)
(Track)
(Tilt)
(Focus)
RFOUT
Spindle Motor
Step Motor
Track Actuator
Tilt Actuator
Focus Actuator
Laser Power Reference
Write Strategy Control
Buffer
Memory
SERVO Signals
RF Cell Signals
Laser Power Monitor Signal
Optical FG
CIrcuit