Akai CS-F12

Vi. MECHANICAL AND HEAD ADJUSTMENT
NN TAPE SPEED
MOTOR
S
ADJ
VOLUME
Fig.8 Tape Speed Adjustment
AZIMUTH ALIGNMENT
ADJUSTMENT SCREW
ERASE HEAD REC/PB HEAD
Fig.9 Head Adjustment
1. VARIOUS TORQUE MEASUREMENT shown in Fig.9 to obtain maximum output on
Use the Cassette Torque Meter (TF-110CT) to con- both channels. :
fll thabthewalue of cach mode is ac tollows: b) Invert cassette and confirm thay: the output level
Take up Torque : 35 to 70 g-cm does not change form that obtained in Item 3-a)
FF/RWD Torque : 70 to 150 g-cm above.
If the output level differs, adjust in the same way
2. TAPE SPEED ADJUSTMENT as in Item 3-a) above until both sides of the test
(Refer to Fig. 8) tape display equal output.
NOTES: 1. Be sure to clean the heads prior to head
Playback a 1,000 Hz pre-recorded test tape (TF-
102CS) and adjust the tape speed adjustment volume 2
to obtain a tape speed of 1,000 Hz + 5 Hz.
adjustment.
. Be careful not to use a magnetized driver
or other magnetized tools in the vicinity
of the heads.
3. RECORDING/PLAYBACK HEAD . 3. Be sure to demagnetize the heads with a
AZIMUTH ALIGHMENT (Refer to Fig. 9) Head Demagnetizer before and after head
a) Playback a 10 kHz pre-recorded cassette azimuth adjustment.
alignment test tape (TF-106CH) and adjust screw