How To Conduct Inspection And Adjustment - Nikon AF-S VR Zoom-Nikkor ED 70-200mm f/2.8G IF Repair Manual

・How to conduct inspection and adjustment
① Make sure that the current and voltage of the connected rated voltage power supply are set values.
If they meet the set values, turn on the power.
② Set the oscilloscope and drive the focus ring by hand.
Note：Since the shape of waveform varies according to the driving speed of B61, particularly and properly set
Time/Div.
③ In case of detecting any wider waveform noise, use the filter function.
How to set the filer function in the employment case of Yokogawa-manufactured DL1540
１．Press the filter button.
２．Select "Smooth" in the menu on the PC screen.
C H 1 = 2 0 m V C H 2 = 2 0 m V
A C 1 0 : 1
Standard：The amplitude of every pulse/waveform should be 50mV or more.
Note：Check the waveform by letting the B61 to travel from the infinity-end position to the near distance end position
and vice versa.
A C 1 0 : 1
- L22 ･ AF-S VR 70-200/2.8G -
● Setting of oscilloscope
5 m s / d i v
NORM 200KS/s
V/Div（CH1）
V/Div（CH2）
Coupling
Time/Div
Trigger Mode
Trigger Coupling
Trigger Source
Trigger Position
Trigger Type
Trigger Level
INC
JAA78151-R.3584.A
：２０ｍＶ
：２０ｍＶ
：ＡＣ
：５m Sec
：NORMAL
：ＡＣ
：ＣＨ１
：＋４div
：EDGE
：０Ｖ