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- Judgeable room temperature 20 ± 5 °C (68 ± 9°F)
- Measuring instrument
- EVM (DC Electronic voltmeter)
- Digital frequency counter
- Test Tape
- Tape speed gain adjustment (3 kHz, -10 dB); QZZCWAT
19.1.1. Head Azimuth Adjustment (Deck 1/2)
Caution:
- Please replace both azimuth adjustment screw and springs
simultaneously when readjusting the head azimuth. (shown in Fig.
2) Even if you wish to readjust the head azimuth without replacing
the acrews and springs, a fine adjustment to the azimuth screw
and spring.
- Please remove the screw-locking bond left on the head base when
replacing the azimuth screw.
- If you wish to readjust the head azimuth, be sure to adjust with
adhering the cassette tape closely to the mechanism by pushing
the center of cassette tape with your finger. (shown in Fig. 3)
1. Playback the azimuth adjustment portion (8 kHz, -20dB) of the test
tape (QZZCFM) in the forward play mode. Vary the azimuth
adjustment screw until the output of the R-CH (PB OUT-R) are
maximized.
2. Perform the same adjustment in the reverse play mode.
3. After the adjustment, apply screwlock to the azimuth adjusting
screw.
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