Head Adjustment - Akai CS-703D Service Manual

IV. HEAD ADJUSTMENT
1. MODEL CS-703D
AZIMUTH ALIGNMENT
ADJUSTMENT NUT CAPSTAN
ERASE HEAD REC/PB HEAD
E-621-NM-0338 RP-2442-FG-6233 +o
Fig. 12 Head Adjustment (CS-703D)
1) Recording/Playback Head Azimuth Alignment
(Refer to Fig. 12)
a) Playback a 10kHz pre-recorded cassette
azimuth alignment test tape and adjust nut
shown in Fig.12 to obtain maximum output
on both channels.
b) Invert cassette and confirm that the output
level does not change from that obtained in
Item 1)-a above. If the output level differs,
adjust in the same way as in Item 1)-a above
until both sides of the test tape display equal
output.
NOTES:
1. Be sure to clean the heads prior to head
adjustment.
2. Be careful not to use a magnetized driver or
other magnetized tools in the vicinity of the
heads.
. 3. Be sure to demagnetize the heads with a
- Head Demagnetizer before and after head
adjustment.