Panasonic Quasar Omnivision PV-V4021-K, Service Manual

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6.2.4.1. Reassembly Notes
1. (Model: A, B, C, D, E, F, I)
Adjustment of Grounding Plate Unit
A. After installing, make sure that the Grounding Plate Unit, on the top
side of mechanism chassis, is positioned on the front side of the
Cylinder shaft so that the center line of the plate is just less than 1.0
mm measured from the center of the Cylinder shaft.
If required, adjust the plate position by loosening Screw (S-1).
Never install the Grounding Plate Unit on the rear side of the
Cylinder shaft.
Incorrect positioning will cause cylinder buzz.
Fig. J2-2
2. After replacing the Cylinder Unit, clear the Total elapsed "Cylinder
rotation" time (in hours) to 0. Refer to "USAGE SCREEN MODE" in
SERVICE NOTES.
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