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4. Playback the playback gain adjustment portion (315Hz, 0dB) of the
test tape (QZZCFM). Check that the level difference when the tape
is played in forward and reverse directions does not exceed 1.5dB.
5. After the adjustment, fasten screwlock to the azimuth adjusting
screw.
(Note)
Before adjusting the head azimuth, be sure to remove the
screwlock adhesive attached around the head for fine
adjustments.
12.2.5. Tape Speed Adjustment
- Normal speed adjustment (only during forward playback)
(Product reference value: 3,000±90Hz)
1. Connect a frequency indicator. (Cf. Fig. 15)
2. Playback the middle portion of the test tape (QZZCWT).
3. Adjust the motor volume so that the following output level is
55
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