All White Touch Screen - Lavit LB115 Series Troubleshooting Manual

All White Touchscreen or
Flickering/Diminished Colors
Issue:
The touch screen is white or the touch screen colors are diminished and
flickering lines appear.
Solution:
1. If the touchscreen is all white and you are unable to recalibrate then
the touchscreen assembly should be replaced.
2. Diminished colors or a flickering touchscreen will result when the ribbon
connection from the touchscreen to the touchscreen PCB is loose.
Ensure that the ribbon connector on the touchscreen PCB is properly
closed. Press down firmly on the connector to ensure proper sealing. If
this does not resolve the issue then replace the touch screen assembly
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18-11-26-REV-A