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Fig. M6-1
Fig. M6-2
Note:
To confirm adjustment, press the Tracking Control Up or
Down button on remote control. Make sure that the
envelope waveform remains flat. If not, readjust P2
and/or P3 post heights.
6. After adjustment, confirm that the tape travels without
curling at P2 and P3 posts.
7. Remove the jumper after completing the adjustment
procedure.
Fig. M6-3
Note:
Overtightening P2 and P3 posts may cause the threads to
strip.
6.2.2.5.2.
AUDIO CONTROL HEAD TILT
ADJUSTMENT
Purpose:
To confirm that the tape runs smoothly. In
particular, confirm that the tape properly
picks up the Audio Signal at the upper
part of the head and the Control Signal at
the lower part of the head.
Symptom of
If the tilt of the Audio Control Head is
Misadjustment:
poorly adjusted, the tape will eventually
be damaged. An intermittent Blue screen
may be seen in Playback.
1. Play back a T120 cassette tape and check that the tape
travels smoothly between the upper and lower guides of the
P4 post.
2. If necessary, adjust Black Screw (B) clockwise until the tape
begins to curl at the lower edge of the P4 post. Then adjust
the screw counterclockwise until the curling is eliminated.
6.2.2.5.3.
AUDIO CONTROL HEAD
HEIGHT ADJUSTMENT
The height of the Audio Control Head replacement part is
preset at the factory.
Purpose:
To be sure the tape runs properly along
the Control Head.
Symptom of
If the control signal is not properly picked
Misadjustment:
up, Servo Operation cannot be achieved.
A Blue screen will be seen in Playback.
This confirmation is required when the Audio Control Head is
replaced.
1. Play back a T120 cassette tape and check that the lower
edge of the tape runs approximately 0.25 mm above the
lower edge of the Audio Control Head.
2. If necessary, adjust Black Screws (A) and (B) clockwise to
lower the tape or counterclockwise to raise.
39
PV-9661 / PV-9662
Fig. M7
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