CH-X400/CH-X450
1-22
Flow chart for reading TOC (Table of contents)
Power ON
Set Function to CD
Play
Jump to the first track
TOC readout
Tracking loop closed
Disc rotates
• When correctly focused
Disc inserted
YES
YES
Laser emitted
Pickup feed to the inner area
Focus search
• When the disc correctly rotates
RF signal eye-pattern
opens
RF signal eye-pattern
remains closed
• When the pickup correctly moves
to the inner area of the disc
• When the laser diode correctly
emits
"No disc"
display
Rough Servo Mode
CLV Servo Mode
(ProgramArea)
CLV Servo Mode
(Lead-In Area;
Digital: 0)
• RF signal
Focus Servo Loop ON
TERMINAL
Microprocessor
commands
Microprocessor
commands
Tracking Servo Loop ON
Servo CLV
Rough
Servo
Acceler
Acceleration
ation
Acceleration
Microprocessor
commands
Spindle
motor (+)
20
FMO
TC9462 53
CN502 5
or
CN503 22
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TEL 13942296513 QQ 376315150 892498299