Akai GX-635D Service Manual

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BRAKE
MICRO
,
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swtTcH
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o
55os
!5og
BRAKE
LEVER
Fig.
12
ERAKE LEVER
Fig. I I
Fig. l3
BRAKE BAND POSITION
ADJUSTI\{ENT
AND BRAKE
TENSION
ADJUSTMENT
(Refer
to Figs.
11 to 13)
1)
Adjust the
brake lever to
180"
position
by loosen-
ing the screws
(a)
and
(a').
2)
Work the
brake
plunger
to check that the
brake
band is not slanted.
3) Adjust
the
position
of the
part
with screws
(b)
and
(b')
to obtain a brake tension
of 550
1
50g
on
both brakes at stop
mode.
(Use
a 10009 spring
gauge
for
a reel
with 60 mm
diameter
of tape.)
In
case
the
specified brake tension
cannot be
obtained, connect
the
springs to
the other
holes
on the brake lever
and adjust.
4) By working the brake plunger
with a finger,
adjust
the
position
of
the
microswitch
screw
(c)
so
that
the
gap
between the brake
lever and the
micro-
switch body
is
0.5
to
1.0
mm.
6.
E
€
IL
25

Akai GX-635D Specifications

General

Track system	4-track, 2-channel stereo
Total Harmonic Distortion	0.8%
Outputs	0.775V (line)
Type	Reel to Reel
Heads	3 heads
Motor	2 x reel, 1 x capstan
Reel size	up to 10.5 inch reel
Wow and flutter	0.06% (7 1⁄2 ips)
Frequency response	30Hz to 26kHz (7 1/2 ips)
Signal to Noise Ratio	62dB
Dimensions	440 x 440 x 240 mm (17.3 x 17.3 x 9.4 inches)
Output Voltage	0.775V
Tape speeds	3 3/4 ips, 7 1/2 ips