1
No SLED operation
Move pick-up out.
Insert 2 FPC and power cord.
SLED runs normally.
Y
Pick-up moves in?
The below waveform is outputted in
IC301 22Pin, 23pin ?
N
Refer to 'Check power source and initial state'
N
Voltage of IC501 4pin ,5pin
in 5V?
Check R506, R507,
NR504 R512 soldering.
After checking IC501
soldering, no error,
replace IC
N
Y
N
N
17
The below signal is inputted
in CN503 A,A, B,B termial?
Y
The opposition signal is inputted
in CN503 A, A, B, B termial?
Y
Replace SLED Motor.
Y
SCR-140(A4)-en 99.3.15 9:48 PM ˘
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1
Summary of Contents for SC-140
Page 2: ... Samsung Electronics Co Ltd MARCH 1999 Printed in Korea Code No BG68 00045A Electronics ...
Page 48: ...8 7 Operational Position Diagram SCR 140 A3 99 3 15 11 19 AM 4 ...
Page 49: ...10 9 Operational Position Diagram SCR 140 A3 99 3 15 9 1 AM 5 ...
Page 50: ...12 Operational Position Diagram 11 SCR 140 A3 99 3 15 9 1 AM 6 ...
Page 51: ...24 23 Circuit Diagram SCR 140 A3 99 3 15 9 0 AM 3 ...