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Nikon JAA79551 Repair Manual page 56

Af-s vr zoom nikkor ed 70-300 / f4.5-5.6g

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Preparation for inspection & adjustment of main PCB
● In case of replacing the main PCB, SWM unit or MR encoder unit, be sure to make the necessary
adjustments as follows:
1. Adjustments
 ・Adjust the MR duty
 ・Adjust the driving frequency and motor control (including Focus preset adjustment)
2. Equipment and tools to be required
 ・Single output rated voltage power supply: 1 unit ( 6.0V 3.0A)
 ・Oscilloscope: 1 unit
 ・AF-I communication box (J15306-1): 1 unit
 ・AF-I communication adapter (J15307): 1 unit
● When the main PCB is replaced, be sure to perform "3.Reading and rewiting of EEPROM DATA." then
"3.Writing the Fixed DATA.".
AF-S VR 70-300 inspection and adjustment program (J18406)
The below hardware requirements are necessary for installing the program on a computer.
Ensure them before installation.
PC
IBM PC/AT compatible
OS
Windows XP Home Edition, Windows XP Professional, Windows 2000,
CPU
Pentium Ⅱ 266MHz ~ Pentium Ⅳ 2GHz
RAM (Memory)
32MB or more
HD
6 MB-or-more free space is necessary when installation
Monitor resolution 800×600 or more pixels
Interface
Serial interface
※ USB interface cannot be used.
As long as the above requirements are met, either desktop or notebook PC is available.
For adjusting the MR duty, the driving frequency and motor control
- A29 ・ AF-S VR 70-300/4.5-5.6G -
INC
JAA79551-R.3690.A
★:New tool

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