Head Replacement And Azimuth Adjustment; Motor Replacement And Speed Adjustment - Sanyo CLA-1380 Service Manual

TiiPE MECHANISM ADJUSTMENT
1. HEAD REPLACEMENT AND AZIMUTH ADJUSTMENT
(l)HEAD REPLACEMENT
Notes: 1)
2)
3)
After replacement, demagnetize the heads by
using a degausser.
Be sure to clean the heads before attempting to
make any adjustments.
All wiring should be returned to the original posi-
tion after work is completed.
(2) HEAD AZIMUTH ADJUSTMENT
1)
2)
3)
4)
Load the test tape (OA-W411, etc. : 3kHz) for azimuth
RIP HEAD E. HEAD
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adjustment.
Press the PLAY button.
HEAD AZIMUTH ADJ.
Use a cross-tip screwdriver to turn the screw for azi-
muth adjustment so that the output is maximized.
After completion of the adjustment, use thread lock
(TB-1 401 B) to secure the azimuth adjustment screw.
2. MOTOR REPLACEMENT
AND SPEED ADJUSTMENT
(1) MOTOR REPLACEMENT
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(2) MOTOR SPEED ADJUSTMENT
1)
2)
3)
–17–
Insert the test tape (OA-W411, etc. : 3,000Hz).
Press the PLAY button.
Adjust VR801 so that the frequency counter reading Is
3.000 Hz.
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MOTOR SPEED
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ADJUSTMENT
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