Mechanical Adjustment - Panasonic Palmcorder VHSC PalmSight PV-L759 Service Manual

MECHANICAL ADJUSTMENT

CLEANING PROCEDURE FOR THE
UPPER CYLINDER UNIT
1. While slowly turning the Upper Cylinder Unit
counterclockwise by hand, gently rub the Video Heads
with a Head Cleaning Stick (VFK27) moistened with
Isopropyl Alcohol 91%.
Video Head
Fig. M1
Note:
1) Do not rub vertically or apply excess pressure to the
Video Heads.
Do not turn the Upper Cylinder Unit clockwise while
cleaning.
2) After cleaning, use a Dry Head Cleaning Stick
(VFK27) to remove any Isopropyl Alcohol 91%
remaining on the cylinder tape path. Otherwise, tape
damage will occur.
Head Cleaning
Stick (VFK27)
Counterclockwise
2-38
TAPE INTERCHANGEABILITY
ADJUSTMENT
Before perform these Adjustment/Confirmation procedures,
be sure to complete following items.
1. Connect the TP Board Kit to S301 on the camcorder.
Refer to "How to use TP Board Kit" in "Service Notes,"
page 1-24.
It is possible to perform S Post, T Post, and A/C Head
Unit adjustment with only the Cassette Cover removed.
A/C Head Unit
T Post
S Post
Fig. M2-1
2. Put the unit into the service mode "I. Tracking Fix" to
defeat Auto Tracking. Refer to "Service Mode
Specification" in "Service Notes," page 1-18.
3. Remove the Cassette Lid Cover from the Cassette Tape
or the Alignment Tape.
Fig. M2-2
Equipment Required:
Dual Trace Oscilloscope
VHS-C Alignment Tape ....................... (VFMS0004H6C)
VHS-C Alignment Tape ........................... (VFMW0001C)
Screwdriver Set ................................. (Purchase Locally)
TP Board Kit
TP Adjustment Cable 40P ................... (LSUP0005A)
TP Adjustment P.C.B. 40P ................. (VFKW0123B)
TP Clip 36P ......................................... (LSUP0005C)
Release Projections
Cassette Lid Cover