Adjustment Of Driving Frequency And Motor Control - Nikon ED 17-55mm f/2.8G IF Repair Manual

ADJUSTMENT OF DRIVING FREQUENCY AND MOTOR CONTROL

●In case of replacing the main PCB, SWM unit or MR encoder unit, be sure to make adjustments.
① The connetion of the rated voltage power supply and measuring tools is the same as "ADJUSTMENT OF 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 DRIVING FREQUENCY & MOTOR CONTROL" in the menu items of the AF-S
DX-zoom 17-55/2.8G inspection program. The lens starts scanning automatically.
⑤ When the abobe display apears and the motor stops driving, select
If the motor does not stop driving, select
If the afjustment is done again but the motor does not stop driving, adjust the MR duty again and then perform
"ADJUSTMENT FOR DRIVING FREQUENCY & MOTOR CONTROL" again.
If the adjustment is not successful yet. the SWM unit or cam ring unit may be defective.
No (N) to make the adjustments again.
- L47 ･ AF-S DX17-55/2.8G -
JAA78851-R.3617.A
Yes (Y) to end the djustment.
INC