(No.49787B)1-33
5.6 Flow of functional operation until TOC read
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
Microprocessor
commands
Spindle
motor (+)
Acceleration
0.2sec 0.5sec
DMO
TC9462
IC581
5V
2.2V
0V
6V
3.2V
2V
$ 8A
$ 86
$ A200
55
1
FSO
TA2109
2.2V
14
20
FMO
TC9462
CN502
or
CN503
FEED MOTOR
IC581
RESET SW
$ 83
$ 82 $81
5V
Hi-Z
0V
6V
4V
2V
OFF
ON
SEL
TC9462
LD
5V
0V
4V
0V
$ 84
57
5
22
53
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9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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