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Proceed to the following steps when replacing output ICs
Step 7
If an output signal error persists even after replacement of the output fuse, the related
output IC needs to be replaced.
Caution (1) When replacing a damaged output IC, fix the cause that
damages the IC before replacement.
(2) Do not directly touch the electronic devices and their
terminals on printed circuit boards by hand.
Remove the three screws and take the Mini I/O board out of the controller.
Step 8
Check the IC No. on the printed circuit board and pull out the target output IC with an
IC pull-out jig. Mount a new output IC.
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