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Panasonic PV-4601 A Service Manual page 63

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4. If the difference is more than 0.1mm (higher or lower), adjust the height of the reel
table to obtain the specified height.
5. For adjustment, change the poly washer located under the reel table. (The washer
is available in only one size of 0.13mm thick.) Move the locking tab to remove the
reel table.
6. Reinstall the Cassette Up Ass'y and the cabinet parts.
4.1.3.7. HEIGHT ADJUSTMENT OF TAPE GUIDE POSTS (PRELIMINARY
ADJUSTMENT)
*Equipment Required :
Lock Screw Wrench................................(VFKS0032)
Post Adjustment Plate ............................(VFKS0010)
Reel Table Height Fixture.......................(VFKS0009)
Post Adjustment Screwdriver..................(VFK0329)
1. HEIGHT ADJUSTMENT OF P2 AND P3
Purpose :
To properly align the position of the tape with the Cylinder Lead so that the tape
runs with stability.
Symptom of Misadjustment :
1) Since the Envelope Waveform Signal cannot be tracked properly, the Playback
picture will be poor.
2) Since the tape does not run smoothly, the tape will eventually be damaged.
3) Tape interchangeability is poor.
1. Remove the Cassette Up Ass'y. Then install the Post Adjustment Plate.
63

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