Akai CS-705D

POCULLIOEEEOLEDL EEE
PLO TTLEDIOCETEIOOBLO LEDER: ELEEOREILELOLORTLE
MOTOR
. TAKE-UP TORQUE AT VARIOUS MODES
AND TORQUE MEASURING METHOD
(Refer to Fig. 3)
As shown in Fig. 3, set a cassette torque meter on
cassette base, and take a reading of the indication
at each respective mode.
Playback mode 40 to 65 grm-cm
Fast Forward mode 70 to 130 grm-cm
Rewind mode 70 to 130 grm-cm
In case specified take-up torque cannot be attained,
Playback mode: replace whole tension arm
block comp.
Fast Forward or Rewind mode: replace idler
A comp.
. TAPE SPEED ADJUSTMENT
(Refer to Fig. 4)
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%.
Ss as ae:
rTP
LCC
Ld
Abdi
bbb
dddhdddiddidddididld
AE EE FS GEE cael
MOTOR PULLEY SET
SCREW
0.1 to 0.3mm
FLYWHEEL THRUST LOOSE
PLAY ADJUSTMENT SCREW
Fig. 7
. PINCH ROLLER PRESSURE
MEASUREMENT (Refer to Fig. 5)
At playback mode, pull back the pinch roller with a
spring gauge until the pinch roller separates from
the capstan by about 1 mm to 2 mm 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: 350 +50 grm
In case specified pressure cannot be attained, replace
the pinch roller spring.
. ADJUSTMENT OF GAP BETWEEN THE
PINCH ROLLER ARM AND STOPPER
(Refer to Fig. 6)
Adjust by bending the pinch roller stopper so that a
0.5 to 2.0 mm gap is definitely obtained between
the pinch roller arm and the pinch roller arm stopper
when the machine is set to play mode.
. FLYWHEEL THRUST LOOSE PLAY
ADJUSTMENT (Refer to Fig. 7)
Adjust by turning flywheel thrust loose play adjust-
ment screw to obtain a 0.1 to 0.3 mm of loose play
when the flywheel is moved as indicated by the
arrow mark.
Paint lock the adjustment screw.