Philips VR120 Service Manual page 118

Video cassette recorder deck: turbo drive apollo 13
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GB 118
10.
10.2.3 Brake band and tape tension
Due to further development it is no longer necessary to make
theseadjustments after replacement of the brake band.
If the brake band or tape tension are completely misadjusted,
set them to a center position; set the drive to „play" and adjust
the brake band until the edge of the elbow of the tape tension
arm is aligned with the left inner edge of the left guide ( see
figure 10-13 ).
Guiding left
tension arm
Brakeband adjusting
Tapetension adjustment
Figure 10-13
10.2.4 Friction clutch control check
Set the drive to „Play" position.
Place the torquemeter on the right reel.
Turn the capstan motor to move the right reel clockwise.
Keep turning, until the indication at the torquemeter no longer
changes ( see figure 10-14 ).
The torque has to be 10,5 mNm +/-25% (105gFcm +/-25%)
VR120
Tape deck
10.2.5 Reverse brake control
Set the drive to „Reverse" position.
Place a torquemeter on the right reel and turn the latter
counterclockwise, until the reel just starts to flip.
The value indicated at the torquemeter has to be 7mNm +/-
3mNm (70 gFcm +/-30gFcm) ( see figure 10-14 ).
Figure 10-14
Lift assy
Pos. 150

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