Panasonic AJD440 - DVCPRO PLAYER, Service Manual

Page: 32 / 104

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3-7. REV Tension Confirmation
SPEC 176mN ± 20mN (18gf ± 2gf)
TEST POINT Tension :
Refer to item “2. Table of Test
Point”
MODE STOP
TOOL VFK1188 (Dial Tension Gauge)
Digital Volt Meter
<In case of model except CAM CORDER>
1. Unscrew the 2 screws and remove the Carriage
Support Panel on the Front Loading Unit.
2. Disconnect the connector P3 on the Carriage
Board of the Front Loading Unit.
3. Unscrew the 6 screws and remove the Top Plate
on the Front Loading Unit as shown in figure 3-4-
1.
<In case of model CAM CORDER>
1. Remove the Cassette Up Unit.
<Common Procedure>
1. Place the VTR into no tape loading mode.
2. Insert the tension gauge to push the tension post
to the direction R until the voltage at the Test
Point is 1.2V (REV position).
3. Confirm that the indication of gauge is within
specification. If not, make the Tension Spring
Adjustment again.
4. After finish this adjustment, grew the screw A, B
and C. The grew quantity at B is half of A and C.
Figure 3-7
A
B
C