Samsung GT-P6800 Servise Manual page 68

Level 3 Repair
8-3-14. TSP
Touch Screen does not work
Yes
No
Check TSP Connector on
Reconnect the HDC801
Main PBA
Yes
No
Check the TSP connector on
Reconnect TSP Connector
LCD Module
Yes
U809 Pin 1 = 1.8V(C828)
No
and U810 Pin 1 = Resolder or Replace U809, U810
3.0V(C827)
Yes
No
Check the I2C signal(R814,
Resolder U806, R814, R815, R803
R815) and int signal(R803)
Yes
Replace LCD Module
Yes
END
8-37
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