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Procedures for measuring tape speed, wow/flutter, and signal-to-noise ratio.
Methods for testing frequency response, harmonic distortion, and crosstalk.
Procedure to measure the effectiveness of tape erasure.
Procedures for setting brake tension and reel table height.
Adjusting torque motor voltage, tension, and pinch roller mechanism.
Aligning the vertical position of playback and record/erase heads.
Aligning the horizontal gap position of heads for optimal playback.
Setting playback output signal levels and calibrating VU meters.
Setting recording input levels and calibrating bias frequency.
Adjusting frequency response and checking erase voltage levels.
How motor direction is changed and torque motor voltage is distributed.
Explanations of how forward, reverse, FF, RWD, and stop modes function.
Illustrations of various circuit boards and their components.
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