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D.
CHECK A
Fig.5. RF
waveform
Check RF Eye-Pattern.
RF : 1.0-2.1V(IC201 Pin 28)
YES
Is the eye-pattern vivid?
YES
• Check IC206 Pin 162
• Check the clock at the IC206 Pin 28,
30
END
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NO
Check IC201 Pin
52
,
53
,
54
,
Check IC201 Pin
58
,
59
,
60
,
Does the
NO
sawtooth waveform emit
at IC201 Pin
20
YES
Replace IC206.
• Both are normal : IC206 is defective
.
55
in DVD Mode.
No signal: Pick-up is defective
61
in CD Mode.
NO
Does the 1.6V emit?
?
Check IC206 Pin84.
No signal at IC206 : IC206 is defective
3-11
NO
Replace IC201.
YES
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