My ELO touchscreen controllers always fail to blink, which causes the touchscreen to become inactive. What is the cause and how can it be prevented?
(A) The ELO touchscreen may not function correctly if the ridges around the touchscreen are dirty. You may need to remove the hood and bezel of the XL game. There you may find ridges going around the screen. The normal operation of the Green LED should be flashing. When you touch the screen, the green LED should stay solid until your hand is removed, then start flashing again. Also, clean the touchscreen with a soft cloth and denatured alcohol or water. (Q) I have a Megatouch, Model G20-100-001. Upon a power failure, the game shows “TOUCHSCREEN FAILURE” when it comes back on. If you turn the power off for 5 minutes, it will come back on. We reversed capacitor C40 and C42, but its not responding. Please let us know what else we can do. (A) There are some other possible things to check: • Try re-soldering the Sub-D connector that the touchscreen cable plugs into on the CRT-260 board (if it is the white box). • Try reseating U39, U40, and U41 and look for bent pins on the chips. • Make su
