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1)
2)
14
0.125~015mm
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SLIDE SWITCH
ADJUSTING SCREW
!
B
ADJUSTMENT OF HEAD HEIGHT
(SEE FIGURES 6-2AND 3).
To adjust, turn screws (a) (b) (c) (Fig. 6-2)
During "Normal Play" position so that theupper
edge of the upper core of the Playback/Rec Head is
the same height as the upper edge of the tape.
Adjust
by turning
screw
(d) (Fig. 6-2) during
"Reverse Play" position so that the lower edge of
the lower core of the Playback/Rec Head is the
same height as the lower edge of the tape.
Erasing Head
Adjust screw (H) so that the upper edge ofthe upper
core is 0.125 to 0.15 mm
higher than the upper
edge of the tape. In adjusting Head Height, make
sure that the front of the Head is at right angles to
the Chassis and that the upper and lower part of the
Head firmly contacts the tape.
i
Ups
ee
Lily
Us
0+0.05mm
Fig. 6-2
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iT /4
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in
7
oe
SLIDE
SWITCH
=
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ca.
Fig. 6-3
2. ADJUSTMENT OF AZIMUTH ALIGNMENT
1) Playback/Rec Head
2)
Use a pre-recorded tape (16 KHz, 7-1/2 ips), and
connect
a high sensitivity V.T.V.M.
to the line
output jack. Adjust screws (c) (e) so that line
output voltage is maximum.
Erasing Head
Visually check to assure that the center line of the
Erasing Head is at right angles to the Head Chassis.
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