13VT-N200
2. Visually check to see if the right edge of the tensionTension pole adjuster adjusting range
pole is within the 1.5 ? 0.25mm from the right edge of
the Sup guide shaft.
Tension pole adjuster
Sup guide shaft
90°
Tension pole
1.5 ? 0.25mm
90°
-0.1
1.6-0.6 mm
Make the adjustment with the beginning of a T-120 tape.
Figure 1-18.
Figure 1-15.
At left side from the center lineAdjust so that the delta mark of tension pole adjuster
is within 90! range (left, right).
CHECKING AND ADJUSTMENT OF RECORD/
PLAYBACK BACK TENSION
Y Remove the cassette housing control assembly.
Y After short-circuiting TP7701 and TP7702 pro-
vided at the left on the main PWB, plug in the
power cord, then turn on the power.
1.5 ? 0.25mm
Y Setting
Figure 1-16.
1. Open the torque cassette meter and fix with tape.
2. Set the cassette tape in loading state.
Insert the slotted screwdriver in the tension pole adjuster,3. Put the weight (500g) on the cassette torque meter.
and rotate counterclockwise.
At right side from the center line
500g
Weight to prevent
float (500g)
Cassette torque
1.5 ? 0.25mm
meter
Figure 1-19.
Figure 1-17.
Insert the slotted screwdriver in the tension pole adjuster,Y Checking
and rotate clockwise.1. Push the REC button to place the unit in the SP record
mode.
2. At this time ascertain that the back tension is within the
setting (36.5 to 52gácm) by seeing the indication of
torque cassette meter.
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ACEC
