Panasonic Omnivision PV-9661 - Page 90

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5.2.3.2 Reassembly Notes
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1. Use extreme care when removing or replacing the Cylinder Unit. Do not touch the Video
Heads during servicing.
2. Installation of Cylinder Unit
A. Install the Cylinder Unit so that the 2 holes on the lower surface of the Cylinder Unit fit
over the 2 Guide Pins on the Cylinder Base and loosely secure it with 3 Screws (A).
B. Install the Head Amp C.B.A. so that the hole on the Head Amp C.B.A. lines up with the
hole on the chassis and secure it with 2 Screws with Washers (A).
C. Position the Cylinder Unit so that foil patterns of connectors (P3502 and P3503) and
Head Amp C.B.A. are aligned, and tighten 3 Screws (A).
D. Solder connectors (P3502 and P3503).
3. Adjustment of Grounding Plate Unit
A. After installing, make sure that the Grounding Plate Unit, on the bottom side of
mechanism chassis, is positioned on the right side of the Cylinder shaft so that the
center line of the plate is just less than 1.0 mm measured from the centerof the Cylinder
shaft.
If required, adjust the plate position by loosening Black Screw (A).
Never install the Grounding Plate Unit on the left side of the Cylinder shaft.
Incorrect positioning will cause cylinder buzz.
Fig. J2-2
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