11
11
No spindle motor rotation
Focus lock?
Refer to 'No focus lock'
Refer to 'No focus lock'
N
N
N
N
N
Check C519 soldering
Check IC502 23pin soldering
N
Check IC301 38pin soldering
Check R323 soldering
The below waveform is
inputted in IC502 22Pin?
IC502 4Pin, 29pin is 12V?
Insert disc.
Y
Y
Y
Y
Y
Y
Y
Y
Spindle motor kick signal
IC502 5Pin is 5V?
Replace IC502
Spindle Motor FPC is connected?
Replace spindle Motor
18
IC502 5Pin is 5V?
The below waveform is inputted in IC502 23pin?
Y
SCR-140(A4)-en 99.3.15 7:51 PM ˘
`
11
Содержание SC-140
Страница 2: ... Samsung Electronics Co Ltd MARCH 1999 Printed in Korea Code No BG68 00045A Electronics ...
Страница 48: ...8 7 Operational Position Diagram SCR 140 A3 99 3 15 11 19 AM 4 ...
Страница 49: ...10 9 Operational Position Diagram SCR 140 A3 99 3 15 9 1 AM 5 ...
Страница 50: ...12 Operational Position Diagram 11 SCR 140 A3 99 3 15 9 1 AM 6 ...
Страница 51: ...24 23 Circuit Diagram SCR 140 A3 99 3 15 9 0 AM 3 ...