NIKON ED 24-85MM F/3.5-4.5G IF
Manual de Servicio

INC
JAA78071-R.3583.A
�� In the case of smaller amplitude, for adjustment, loosen �� the two screws #541 and then shift the MR head position �� as shown in the right figure. �Note�During adjustment, prevent the magnetic tape and MR �head from touching the magnetized driver bit, or the magnetic �data may be damaged. � �Reference� �� In case the amplitude of either CH1 or CH2 seems smaller, one of the two screws #541 may be loosened. �� Then, check the screws. In case the screws are fully tightened, the MR head may be troubled. Then, be sure to �� replace the MR head unit B15 and adjust it again.
CH1=20mV AC 10:1 CH2=20mV AC 10:1 5ms/div NORM 200KS/s

MR head

� 541 � 2 Magnetic tape

�� In case of a presence of partial drop in the amplitude between the infinity and the near distance, the magnetic data �� in magnetic tape may be damaged. Then, replace the magnetic tape and adjust it again.

CH1=20mV AC 10:1

CH2=20mV AC 10:1

5ms/div NORM 200KS/s

�� Turn off the rated voltage power supply and remove the SWM unit. Ｐ

- L20 ï½¥ AF-S 24-85/3.5-4.5G -