Sharp VL-SW50U Service Manual page 21

VL-sw5ou
Note:
*Tightening torque of screw (1) 70 mN-m
*To check the position, be sure to run the tape.
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If the cassette compartment assembly is removed, it makes the work easier. (Refer to Item 5-5-3.)
5-3-5. Checking the take-up torque for rewind playback (VS-REW)
(1) Remove the cassette compartment ass'y and set to the sensor OFF mode.
(2) Set the torque gauge (TG0045) on the S reel disk, and check in the rewind playback (VS-REW) that the torque at
the supply side is within the specified range.
Standard of take-up torque in rewind playback (SP mode)
31 & 5 gem with ripples less than 5 gem.
(If the torque ripples appear, read the center value of torque between the ripples.)
5-3-6. Checking the back tension torque for rewind playback (VS-REW)
(1) Set the torque cassette (8T-032) in position, and check in the rewind playback (VS-REW) mode that the torque at
the tape take-up side is within the specified range.
Standard of back tension torque in rewind playback (SP mode):
14 + 5 gem with ripples less than 5 gem
(If the torque ripples appear, read the center value of torque between the ripples.)
5-7