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KD-S847
QQ
3 7 63 1515 0
3.2 Flow of functional operation unit TOC read
When the pickup correctly moves
to the inner area of the disc
$83
Microprocessor
commands
FMO
TC94A14FA "40"
FEED MOTOR
+TERMINAL
IC501 "4"
REST SW
When correctly focused
FEO
TA2157 "15"
Focus Servo Loop ON
TE
L 13942296513
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1-24 (No.49832)
http://www.xiaoyu163.com
v
$82 $81
3.3V
Hi-Z
0V
Pickup feed to the inner area
6V
4V
2V
OFF
ON
2.2V
RF signal eye-pattern
remains closed
Tracking loop closed
RF signal eye-pattern
opens
Jump to the first track
x
ao
y
.
i
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8
Power ON
Set Function CD
Disc inserted
YES
Laser emitted
"No disc"
Focus search
display
YES
Disc rotates
Microprocessor
commands
Q Q
3
6 7
1 3
DMO
TC94A14FA "41"
Spindle
motor(-)
IC501 "7"
TOC read out
Play
u163
.
2 9
9 4
2 8
When the laser diode correctly
emits
$84
Microprocessor
commands
SEL
TC94A14FA"38"
LD
CN501"15"
When the disc correctly rotates
$84
$86
$ A200
1 5
0 5
8
2 9
9 4
Rough
Acceleration
Servo CLV
Servo
0.5 Sec
0.5 Sec
Tracking Servo Loop ON
RF signal
Rough Servo Mode
CLV Servo Mode
(Program Area)
m
CLV Servo Mode
co
(Lead-In Area;
Digital :0)
9 9
3.3V
0V
4V
0V
2 8
9 9
3.3V
2.2V
0V
6V
3.2
2V
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