Tsp; Touch Screen Does Not Work - Samsung SM-T311 Service Manual

Level 3 Repair

8-3-10. TSP

Touch Screen does not work

Yes
No
Check TSP Connector on
Reconnect the HDC900
Main PBA
Yes
No
Check the Voltage on C762 =
Resolder or Replace U700
1.8V
Yes
No
C903 ≥ 3.3V?
Resolder or Replace R900
Yes
No
Resolder or Replace
Check the I2C signal
R906, R907, R909
Yes
Replace U901
Yes
END
8-31
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