Tandy 1400LT - 4. Alignment Adjustments

4. Adjustment
4-1 Head Alignment
a) Measure the Cat’s Eye Pattern. (Refer to 2-3-1,-6)
b) Loosen the two screws for stepping motor.
c) Adjust the head alignment within k9pm by moving the stepping motor by hand.
(Cat’s Eye ratio should be more than 0.9)
d) Fasten the screws for stepping motor.
e) Confirm the head alignment again.
STEPPING MOTOR
Figure D-7. Head Alignment
4-2 Index Alignment
a) Measure Index Alignment. (Refer to 2-3-1, -8)
b) Adjust the Index Alignment for within 500 k 200 psec by sliding the INDEX sensor. (Screw should be loosen
slightly.)
c) Tighten the screw and confirm Index Alignment again.
/SCREW
Index Sensor
Figure D-8. Index Alignment
D-13