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”
Summary of Contents for CDR 26
Page 28: ...28 IC403 IC403 2 8 IC402 ...
Page 47: ......
Page 51: ...6 436 079 441 076 441 071 080 2 072 436 072A 072A A08 ...
Page 71: ...71 UIT BOARD DIAGRAMS TOP SIDE LOCATION GUIDE ...
Page 72: ...72 IN P C BOARD BOTTOM SIDE LOCATION GUIDE ...
Page 73: ...TOP SIDE ARD LOCATION GUIDE 4 I O P C BOARD BOTTOM SIDE 73 ...
Page 74: ...74 GRAM UIT DIAGRAM ...
Page 75: ...75 RAM ...
Page 76: ...76 ...
Page 77: ...77 GRAM ...
Page 78: ...78 M ...
Page 79: ...79 ...
Page 80: ...80 ...