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TROUBLESHOOTING GUIDE
PLAYBACK PICTURE JITTERS VERTICALLY
No
Does tracking noise appear in the picture ? Yes
By adjusting the manual tracking UP/DOWN buttons, will the noise disappear in the picture ?
No
Check P/B ENVELOPE.
Yes
Are GUIDE POSTS the right height ? Yes
No
Adjust GUIDE POST height.
Is PG SHIFTER adjustment 6.5H ? Yes
No
Adjust PG SHIFTER.
Is PB-Y waveform normal ?
Yes
Replace IC1002.
No
Check PB-Y circuit.
E-12
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