Nikkor JAA79051, Руководство по ремонту

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JAA79051-R.3624.A
- L33 ･ AF-S DX18-70/3.5-4.5G -
ADJUSTMENT FOR FREQUENCY AND CONTROL
●
In case of replacing the main PCB, SWM unit or MR encoder unit, be sure to make this adjustment.
①
How to connect the rated voltage power supply and measuring tools is the same as "ADJUSTMENT FOR MR
DUTY". Turn on the rated voltage power supply.
②
Make sure that the current and voltage of the rated voltage power supply are the set values.
③
Turn on the rated voltage power supply.
④
Select "ADJUSTMENT FOR FREQUENCY & CONTROL" in the menu items of the AF-S 18-70/3.5-4.5G DX
inspection program. The lens starts scanning automatically.
⑤
When the above display appears and the motor stops driving, select Yes (Y) to end the adjustment.
If the motor does not stop driving, select No(N) to make the adjustment again.
If the adjustment is made again but the motor does not stop driving, readjust the MR duty and then perform
"ADJUSTMENT OF DRIVING FREQUENCY AND MOTOR CONTROL" again.
If the adjustment is not successful yet, the SWM unit or cam ring unit is regarded as defective.
INC