Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 193)

Chapter 6: Module/Unit Replacement PC NC Maintenance Manual
6-11
Following replacement, verify functions as follows.
1. Power up the control.
2. Verify that the touch screen is working properly.
3. Recalibrate the touch screen from the PC Settings screen.
Touch Screen Controller Board
Remove the touch screen controller board by following the steps below.
1. Verify that the main power is off.
2. Remove all connectors and wiring from the back of the display
unit.
3. Remove the CRT display unit from the machine operation box.
4. Place the unit on a flat, steady surface.
5. Remove the touch screen controller cover by loosening the four
mounting screws.
6. Remove all connectors from the touch screen controller board.
7. Remove the controller board by loosening the four hex spacers.