Akai GXC-750D

PINCH ROLLER
SPRING (LEFT)
PINCH ROLLER
SPRING (RIGHT)
PINCH ROLLER
(LEFT)
300250 grm
س
.PINCH ROLLER PRESSURE
ADJUSTMENT (Refer to Fig. 8)
Load a cassette tape, set the recorder in the play
mode, then pass a string around the pinch roller shaft
and the spring gauge as shown in Fig. 8. Pull the
spring gauge as indicated by the arrow mark in the
figure until the pinch roller separates from the
capstan. Then, gradually weaken the pulling force,
and the spring gauge value when the pinch roller
comes in contact with the capstan once again to start
rotating. If the measurement value does not comply
with the following values specified, replace the pinch
roller spring.
Specified Pinch Roller Pressure:
Pinch Roller (Right) 400 +50 grm
Pinch Roller (Left) 300 550 grm
NOTE: To pass a string around the pinch roller
shaft, remove the two operation Button
Fixation Screws and pull out the Operation
Button Block. From the bottom of the
chassis, pass the string behind the Operation
Button Block and place it around the pinch
roller shaft. Make sure that the string does
not come in contact with the chassis or any
other parts during the measurement.
. TAPE SPEED ADJUSTMENT
PINCH ROLLER
(RIGHT)
Fig. 8
6. TAKE-UP TORQUE AT VARIOUS MODES
AND TORQUE MEASURING METHOD
Set a cassette torque meter on cassette base, and take
a reading of the indication at each respective mode.
Playback mode 33 to 55 grm-cm
Fast Forward mode 80 to 120 grm-cm
Rewind mode 80 to 120 grm-cm
. LID PANEL POSITION ADJUSTMENT
(Refer to Fig. 9)
In case the lid panel is not parallel with the front
panel, adjust by shifting the eject guide as indicated
by the arrow. mark in Fig.9. If the upper part of
the lid panel is tilted inward, move the eject guide
upward, and if tilted outward, move the eject guide
downwards.
(Refer to Fig. 10)
Playback a 1,000 Hz pre-recorded test tape and adjust
tape speed adjustment volume to obtain a tape speed
of 1,000 Hz 2295.
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