Blank Or Black Touchscreen - Lavit LB115 Series Troubleshooting Manual

Blank or Black Touchscreen

Issue:
When the power to the unit is on the touchscreen is blank or black.
Solution:
This can be caused by a faulty connection to the touchscreen PCB or a
faulty touchscreen assembly.
1. Remove the top cover of the unit.
2. Unplug and reinstall the touchscreen ribbon connector to the main PCB
and then to the touch screen.
3. Turn unit back on, if touch screen works then go back through the
recalibration for the touchscreen process. (See instructions page30)
4. if the screen remains blank or black replace the touchscreen assembly.
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