Akai GX-M10

ADJUSTMENT WASHERC>
ADJUSTMENT WASHER
OJ to 702mm
FLYWHEEL
CAPSTAN SHAFT
Fig. 19
.
FLYWHEEL
LOOSE
PLAY
ADJUSTMENT (Refer to Fig. 19)
Insert
the
various
washers
in
the
three
places
between
the
prop
and
the
flywheel
hold
plate
and
adjust
to
give 0.1 to 0.2 mm loose play when the flywheel is
moved in the direction of the arrows.
. PINCH ROLLER PRESSURE
MEASUREMENT (Refer to Fig. 20)
At playback mode, push the pinch roller with a spring
gauge
until
the
pinch
roller
separates
from
the
capstan
by
about
1mm
to
2mm
and
then
gently
return.
Take
a
reading
of
the
spring
gauge
indication
-
at
the
moment
the
pinch
roller
touches
the
capstan
and
begins
to
rotate
Specified Pinch Roller Pressure : 330 + 30 grm
In
case
specified
pressure
cannot
be
attained,
replace
the pinch roller spring.
330 £30 grm
SPRING GAUGE
PINCH ROLLER
PINCH ROLLER SPRING
Fig. 20
TAPE SPEED
ADJUSTMENT SCREW
Fig. 21
5. WINDING TORQUE MEASUREMENT
IN EACH MODE
Insert cassette torque meter and measure in each
mode.
For fast forward and rewind measure at the end of
the tape when the tape has stopped running.
The specified torque is: .
Playback : 35 to 60 g-cm
Fast Forward, Rewind : 80 to 120 g-cm
In case specified take-up torque cannot be attained.
Playback mode : Replace Take-up Reel Table Block.
Fast Forward of Rewind mode :
Replace Middle Gear Block.
6. TAPE SPEED ADJUSTMENT
(Refer to Fig. 21)
Connect the frequency counter to the line output
terminals. Playback a 1,000 Hz pre-recorded test tape
and adjust tape speed adjustment screw to obtain a
tape speed of 1,000 Hz + 1%.
Senne
nnn
21