Sharp DV-NC65H, Руководство по обслуживанию

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DV-NC65H/S
DV-NC70H
• Checking
1. Set a cassette tape, push the REC button to place the
unit in the SP record mode. Now check the tension pole
position.
2. Visually check to see if the position of the tension pole is
within the 0 mm from the left end and the line of
Standard-A of the right side of the tension pole.
Insert the tension pole adjustment driver to main chassis
hole, and rotate counterclockwise.
Figure 8-16.
At left side from the line of Standard-A.
Figure 8-14.
Figure 8-15.
Insert the tension pole adjustment driver to main chassis
hole, and rotate clockwise.
At right side from the line of Standard-A.
Make the adjustment with the beginning of a E-180 tape.
A
A
A
+0.5
–0.2
Standard-A = 0 mm
+ 0.5
- 0.2
( ) +0.5 inside
-0.2 outside
Tension pole adjustment driver adjusting direction
8-15. CHECKING AND ADJUSTMENT OF
RECORD/PLAYBACK BACK TENSION
• Setting (with cassette control housing)
1. Insert cassette torque meter.
Figure 8-17.
Figure 8-18.
Tension pole
adjustment
driver
CW
CCW
Cassette torque
meter
• Checking
1. Push the REC button to place the unit in the record mode.
2. At this time ascertain that the back tension is within the
setting 3.9 ~ 5.5mN
⋅
m (40 ~ 56gf·cm) by seeing the
indication of torque cassette meter.