36
YES
NO
Go to “RF output is abnormal”
Spindle control is abnormal 2
(CD-ROM Disc)
Is there
RRF signal output?
(IC301 pin 82)
YES
NO
Replace the IC301.
Is there
RFDC signal input?
(IC301 pin 81)
YES
NO
Go to “Track servo is unstable”
Does Tracking
Servo operate normally?
YES
Go to “Disc recognition is abnormal”
NO
NO
Go to “RF output is abnormal”
Spindle control is abnormal 3
Is there WBLIN signal
input? (IC201 pin 132)
Is there ATFM signal
output? (IC301 pin 23)
YES
Replace the IC301(CXA3558R).
NO
Replace the IC201(OTI-9790).
Is there DMO signal
output? (IC201 pin 2)
YES
Go to “Spindle operating is
abnormal”
Содержание CDR 26
Страница 28: ...28 IC403 IC403 2 8 IC402 ...
Страница 47: ......
Страница 51: ...6 436 079 441 076 441 071 080 2 072 436 072A 072A A08 ...
Страница 71: ...71 UIT BOARD DIAGRAMS TOP SIDE LOCATION GUIDE ...
Страница 72: ...72 IN P C BOARD BOTTOM SIDE LOCATION GUIDE ...
Страница 73: ...TOP SIDE ARD LOCATION GUIDE 4 I O P C BOARD BOTTOM SIDE 73 ...
Страница 74: ...74 GRAM UIT DIAGRAM ...
Страница 75: ...75 RAM ...
Страница 76: ...76 ...
Страница 77: ...77 GRAM ...
Страница 78: ...78 M ...
Страница 79: ...79 ...
Страница 80: ...80 ...