Sharp VC-A592U Service Manual page 19

2. Visually check to see if the right edge of the tension pole
is within the 2.3 ± 0.25 from the right edge of the Sup
guide shaft.
Tension pole
2.3 ± 0.25
Make the adjustment with the beginning of a T-120 tape.
Figure 4-15.
At left side from the center line
2.3 ± 0.25
Figure 4-16.
Insert the slotted screwdriver in the tension pole adjuster,
and rotate counterclockwise.
At right side from the center line
2.3 ± 0.25
Figure 4-17.
Insert the slotted screwdriver in the tension pole adjuster,
and rotate clockwise.
Sup guide shaft
Tension pole adjuster adjusting range
Tension pole adjuster
Figure 4-18.
Adjust so that the delta mark of tension pole adjuster is
within 90° range (left, right).
CHECKING AND ADJUSTMENT OF RECORD/
PLAYBACK BACK TENSION
• Remove the cassette housing control assembly.
• After short-circuiting TP801 provided at the center
(facing to the main PWB), plug in the power cord.
• Setting
1. Turn off the power switch.
2. Open the torque cassette meter and fix with tape.
3. Set the cassette tape in loading state.
4. Put the weight (500g) on the cassette torque meter.
5. Turn on the power switch.
Weight to prevent
float (500g)
Figure 4-19.
• Checking
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 52g·cm) by seeing the indication of
torque cassette meter.
19
VC-A592U/A593U
VC-A5933U/H992U
VC-H993U/H994U
500g
Cassette torque
meter