Aiwa VX-D2120 Service Manual page 56

Basic tape mechanism : ovd-6s
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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?
Yes
Are GUIDE POSTS
the right height?
Yes
Is PG SHIFTER
Adjustment 6.5H?
Yes
Check YCA circuit.
TROUBLESHOOTING GUIDE
No
No
No
E-24
Check P/B ENVELOPE.
Adjust GUIDE POST height.
Adjust PG SHIFTER.

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Vx-d2120k

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