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Note:
@The tension band positioning cam cannot be
adjusted with a cassette in place because the cam
will be located below the cassette. Repeat a
series of steps; empty loading, adjustment,
cassette placement and position checking.
tension pole to the right (in the black-arrow
direction). Turn it counterclockwise to move the
tension pole to the left (in the white-arrow
direction).
Figure l-20.
@Adjustable range of the tension pole positioning
cam.
Tension arm shaft
\
Tension pole adjusting cam
Figure l-21.
Adjust the tension pole positioning cam so that the
arrow mark on the cam be within 90" left and right
from the tension arm shaft's center.
CHECKING AND ADJUSTMENT OF
RECORD / PLAYBACK BACK TENSION
Remove the cassette housing control assembly.
l
Make a short-circuit between TP8804 and
l
on the VCR PWB, with a 22 ohm resistor.
turn on the power.
Setting
l
hold it with two pieces of vinyl tapes.
meter.
Checking
l
record mode.
gauge is within the set range 31 to 38 g-cm.
Notes:
Make sure that the video cassette tape is over
the retaining guide.
Make sure that the tape is not slack nor
damaged at either end.
Adjustment
If the reading of the cassette torque meter is less
than specified, move the tension spring hook
toward A.
If the reading of the cassette torque meter is
more than specified, move the tension spring
hook toward B.
arm
N
OW
meter
Figure l-22.
Figure l-23.
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