Omnivision PVQ-130W Service Manual page 89

7.2.2.3.4. 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 TP4002 on the TV/VCR Main C.B.A.
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.
89