Making Of Self-Made Tool - Nikon ED 17-55mm f/2.8G IF Repair Manual

Making of self-made tool

● To inspect and adjust the output waveform of MR encoder, it is necessary to make a self-made tool by using
the main PCB of repair parts.
The making procedure is shown below. Make a self-made tool according to this procedure.
This tool is the same one that was made for AF-S24-85/3.5-4.
Use the same main PCB that was used for AF-S24-85/3.5-4G.
Use this range.
GND
Main PCB
Connector
VCC (5.0V)
- T2･ AF-S DX17-55/2.8G -
① Remove the mounted parts/elements
(condenser, transistor, IC, etc.) from both
sides of PCB, within the range of the left
dotted lines . Do not remove the connec-
tor.
② Cut off the PCB along the dotted lines.
③ Solder the wires on the PCB pattern at 4
parts as shown left.
MR-A
MR-B
INC
JAA78851-R.3617.A