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4, Judgement by changing of PU due to HF level Vre
(check for proper HF wave)
Actuate the service
program. (service mode)
Load the adjustment
disc (CA-1094)
Press IPAUSE|button
and disc starts playback.
03 is indicated)
HF wavetorm
[0.2Viciv}
—
VHF
GND
_
[0.5y/div}
Observe across test
terminal HF (TP102°
Pin 5)and test
terminal VC (TP102
Pin 3) with oscilloscope.
Is VHF more than 0.85V?
Is PU lens cleaned?
Yes
Clean the PU tens.
Trouble exist in PU abnormality
due to VHF.
Execute PU replacement.
No normality in PU.
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