Adjustment Of Driving Frequency And Motor Control - Nikon AF-S VR Zoom-Nikkor ED 70-200mm f/2.8G IF Repair Manual

ADJUSTMENT OF DRIVING FREQUENCY AND MOTOR CONTROL

● In case of replacing the main PCB, SWM unit and MR encoder unit, be sure to make adjustments.
① The method of connetion of the rated voltage power supply and measuring tools is the same as "ADJUSTMENT
OF MR DUTY".
② Make sure that the electric current and voltage of the rated voltage power supply are set to the set values.
③ Turn the rated voltage power supply ON.
④ Select "2. ADJUSTMENT FOR DRIVING FREQUENCY & MOTOR CONTROL" in the menu of the AF-S
zoom lens (New) inspection program. The lens automatically starts the driving of scanning.
TYPE OF LENS： AF-S VR NIKKOR 70-200mm/2.8G
ADJUSTMENT FOR DRIVING FREQUENCY & MOTOR CONTOROL.
ADJUSTMENT IS COMPLETED.
DOES THE MOTOR STOP DRIVING ？ Yes ＝１ No ＝２
SELECT THE NUMBER
PUSH ESC KEY TO RETURN TO MENU
⑤ In case the motor driving remains stopped when the above screen appears, select "1" to end the adjustment.
If the motor drive does not stop,select "2" and make the following manual adjustment. If a proper adjustment is
not made even after selecting "1", "COULD NOT BE EXECUTED." is displayed, followed by the manual
adjustment.
If the adjustment cannot be made even by the manual adjustment, SWM unit or cam ring unit is regarded as
malfunctioning.
- L49 AF-S VR 70-200/2.8G -
JAA78151-R.3584.A
CPU VERSION：5.02.04
INC