Akai VS-2EGN

4. CONTROL HEAD POSITION ADJUSTMENT
1) Connect an oscilloscope to P202 @) (FM enve-
lope out) of the Audio/pre P.C Board.
2) Set the reference tape AT-750795 and initiate
the PLAY mode.
3) While watching the waveform on the oscilloscope,
turn the tracking volume on the front panel and
confirm in which direction from the click position
the maximum point of the waveform is located.
4) Tur back the tracking volume to the click posi-
tion and carry out the following @ or ® adjust-
ment.
@ If the maximum point of the waveform is
reached by turning the tracking volume clock-
wise, turn the adjusting driver clockwise and
CTL HEAD POSITION
ADJUSTMENT SCREW
make
adjustment
to
the
maximum
point.
Fig.
10-9
@®
If
the
maximum
point
of
the
waveform
is
reached
by
turning
the
tracking
volume
counterclockwise,
turn
the
adjusting
driver
counterclockwise
to
make
adjustment
to
the
NOTE:
Make
these
adjustments
only
after
the
tape
maximum
point.
running
is
completely
adjusted.
5.
ADJUSTMENT
OF
QUICK
FINDER
(REVIEW)
RUN
SET
SCREW
ADJUSTMENT
NUT
AUDIO/CTL
HEAD:
TU
GUIDE
POLE.
es
Be
ze
CASSETTE
PACK
i
u
Fig.
10-10
a aie POLE
1) Set the recording and playback tape E-240 and A,
wind it up. TAPE
2) Press the REVIEW button to initiate the REVIEW
mode.
3) Loosen the set screw in Fig. 10-10 so that the ad-
justment nut can be turned.
4) While watching the tape running on the take-up
guide pole, turn the adjustment screw slowly so Lyo coon! GooD
as to eliminate the curling of the tape (Fig. 10-11 (9) (b) tc) Fig. 10-11
(©).
5) Tighten the set screw and fix the adjustment
screw, NOTE: If the adjustment nut is turned too fast, some
6) After the completion of adjustment, press the stop deviation may be found after adjustment
button once, and after unloading the tape, recheck because the tape running does not follow such a
the review run. fast pace.
Service Manual VS-2EGN:
104