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KD-S700GN/KD-S700BU
KD-S7250
Flow of functional operation until TOC read
• When the pickup correctly moves
to the inner area of the disc
Microprocessor
commands
FMO
TC9490FA "40"
FEED MOTOR
+TERMINAL
TERMINAL
IC561 "6"
REST SW
• When correctly focused
FEO
TA2147F
Focus Servo Loop ON
1-12
Power ON
Set Function to CD
Disc inserted
3.3v
Pickup feeds to the inner area
Laser emitted
Focus search
1.6V
Disc rotates
RF signal eye-pattern
remains closed
Tracking loop closed
RF signal eye-pattern
opens
TOC readout
Jump to the first track
Play
• When the laser diode correctly
Microprocessor
commands
TC9490FA "38"
"1"
YES
"No disc"
display
YES
• When the disc correctly rotates
Microprocessor
commands
"41"
Spindle
motor (-)
IC561 "4"
Acceleration
Acceleration
0.5 Sec 0.5 Sec
Tracking Servo Loop ON
• RF signal
emits
3.3V
1.6V
Rough
Servo
Servo CLV
Rough Servo Mode
CLV Servo Mode
(ProgramArea)
CLV Servo Mode
(Lead-In Area;
Digital: 0)
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