Panasonic NV-SJ4130PN Service Manual page 42

6.2.2.2.4. AUDIO CONTROL HEAD AZIMUTH ADJUSTMENT
Purpose:
To adjust the position and height of the Audio Control Head so
that it meets the tape tracks properly.
Symptom of Misadjustment:
If the position of the Audio Control Head is not properly adjusted,
the Audio S/N Ratio is poor.
1. Connect the oscilloscope to the audio output jack on the rear side
of the deck.
2. Play back the 6 kHz Monaural Audio portion of the alignment tape.
3. Adjust Black Screw (C) on the Audio Control Head base so that
the output level is at maximum.
4. Confirm the height of the Audio Control Head is proper. If not,
readjust Black Screws (A) and (B).
6.2.2.2.5. AUDIO CONTROL HEAD HORIZONTAL POSITION ADJUSTMENT
Purpose:
To adjust the Horizontal Position of the Audio Control Head.
Symptom of Misadjustment:
Fig. M6
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