7.2.2.3.5. AUDIO CONTROL HEAD
HORIZONTAL POSITION
ADJUSTMENT
Purpose:
To adjust the Horizontal Position of the
Audio Control Head.
Symptom of
Misadjustment:
If the Horizontal Position of the Audio
Control Head is not properly adjusted, a
maximum envelope cannot be obtained at
the Neutral Position of the Tracking
Control Circuit.
1. Place a jumper between TP6003 and +5V(TP6009) on the
TV/VCR Main C.B.A. to defeat Auto Tracking.
2. Eject the tape and insert it again to access the Neutral
Tracking position.
3. Play back the alignment tape.
4. Connect the oscilloscope to TP3002 on the Video Signal
Process Section of the TV/VCR Main C.B.A. Use TP6205
as a trigger.
5. Loosen the Black Screw (D) and tighten it slightly. Set the
H-Position Adjustment Driver into the Hole (A). Then slowly
turn the fixture either clockwise or counterclockwise so that
the envelope is at maximum.
Fig. M8
6. Tighten Black Screw (D).
7. Remove the jumper between TP6003 and +5V(TP6009).
Note:
Old type of H-Position Adjustment Driver (VFK0136) can be
used for this adjustment.
45
PVQ-1310 / PV-C1320 / PV-C1330W / VV-1300 / VV-1310W / PV-C1340 / PV-C1350W / PV-C2010 / PV-C2020 / PV-C2030W / VV-2000 / PV-C2060