Akai GX-636

NOTES: 1.
Test Tape Adjustment
Adjustment Item Supply Signal Mod Point
Tape Guide
Tape Guide : Height
Height Optional ByD Adjustment
Nut
FWD Recording ?
FWD Erase
Head Height Optional FWD
Confirmation
FWD Playback :
Head Height Optional FWD | (d)(e)(f)
FWD Playback 8,000 Hz
Head Azimuth 3-3/4 ips FWD (f)
Alighment Test Tape
FWD Playback 8,000 Hz
Head Angle 3-3/4 ips (h)
Alignment Test Tape
FWD Recording
Head Azimuth
Alignment
Scotch #211 Tape
15,000 Hz
—20 dBm
FWD Recording
Head Angle
Scotch #211 Tape
15,000 Hz
-20 dBm
Alignment
out properly.
. Set tape speed to 7-1/2 ips.
Nn PW PDP
are exactly the same.
Remarks
1) Adjust so that tape travels smoothly and
does not twist.
2) Do not thread tape over tension arm.
Upper edges of Left Ch. head core and tape
are the same height.
Upper edge of Left Ch. head core is 0.1 mm
higher than upper edge of tape.
Upper edges of Left Ch. head core and
tape are the same height.
Maximum output, both channels.
Adjust head gap surface so that there is no
change in output level when tension is
applied to the supply reel side.
Maximum output, both channels.
Adjust head gap surface so that there is no
change in output level when tension is
applied to the supply reel side.
Chart-4
As
perfect
head
adjustments
are
vital
to
tape
deck
performance,
be
sure
that
these
adjustments
ae
carried
.
Be
careful
not
to
use
a
magnetized
driver
or
other
magnetized
tools
in
the
vicinity of
the
heads.
. Use only
new
tape
as
level
variation
is likely
to
occur
when
using
old
tape.
. Demagnetize heads with head demagnetizer before and after head adjustment.
.
Adjustments
outlined
in
Chart
4
are
only
for
FWD
side
heads.
However,
adjustments
for
REV
side
heads