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YES
-1
8
-
NO
Go to “RF output is abnormal”
Spindle control is abnormal 2
(CD-ROM Disc)
Is there
RRF signal input?
(IC413 pin 3)
YES
NO
Replace the IC413(EL2245).
Is there
RFDC signal input?
(IC401 pin 85)
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? (IC401 pin 25)
YES
Replace the IC401(CXA2551R).
NO
Replace the IC201(OTI-9790).
Is there DMO signal
output? (IC202 pin 2)
YES
Go to “Spindle operating is
abnormal”
30
CDR20
harman/kardon
Summary of Contents for CDR 20
Page 20: ...3 Troubleshooting Guide In the Initial Lead in Operation Mode 8 20 CDR20 harman kardon ...
Page 21: ...21 CDR20 harman kardon ...
Page 22: ...22 CDR20 harman kardon ...
Page 23: ...23 CDR20 harman kardon ...
Page 37: ... 26 37 harman kardon ...
Page 40: ......
Page 41: ......
Page 65: ... 42 LOCATION GUIDE 65 harman kardon ...
Page 66: ... 43 N LOCATION GUIDE 66 CDR20 harman kardon ...
Page 67: ... 44 RECORD TOP SECTION CD RECORD BOTTOM SECTION 67 CDR20 harman kardon ...
Page 68: ... 45 AUDIO BOTTOM SECTION harman kardon ...
Page 69: ... 46 ECTION 69 CDR20 harman kardon ...
Page 70: ......
Page 71: ... 28 71 CDR20 harman kardon ...
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Page 73: ...73 harman kardon ...
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Page 77: ... 34 77 CDR20 harman kardon ...
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Page 83: ... 40 ON 83 CDR20 harman kardon ...
Page 84: ... 41 84 0 harman kardon ...
Page 85: ... 24 85 harman kardon ...