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Lg T500 Touchscreen Problem Jumper Solution Ways

Lg T500 Touchscreen Ways, Jumper Problem Solution

If ever trying to fix Lg T500 touch screen failure issues and you’ll do replacing the touch plate module, trying to calibrate the touch screen setting but unresponsive and restoring, upgrading and flashing the device firmware but nothing happens, the problem still exist and the touch screen left unresponsive.
This sometimes happens if the device suffered due to a wet damaged, heavily dropped and any related damaged accidentally done by the user. In this case only a hardware repair may only help solved the problem.
This solution below show the Lg T500 PCB board components that holds and control the touch screen panel to work.

LG T500 touch screen connector ways

 

Hints on troubleshooting touch screen failure on Lg T500:
This will work if you already tried replacing the touch screen module and restoring the device firmware.
1.Check/clean the touch screen pin connector, re-solder it if necessary.
2. Check/read the touch screen supply voltage (VIO 1.8V) across to the filter coil.
If the voltage is missing check/replace the 0 ohms resistor, or apply a jumper if the line paths is open or cut.
3. Trace the RESET and PINT DAV line paths. apply a jumper if connection is open or cut.
4. Rework, re-ball or replace the Touch Controller chip.

Lg T500 Touch Ways Track Line Jumpers

Lg T500 Touchscreen Jumper Solution, Not Working Problem, Ways Solution, Repair Ways

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