Level 3 Repair
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8-44
8-3-18. TSP
Touch Screen does not work
Yes
No
Reconnect the HDC1102
Check TSP Connector on
Main PBA
Yes
Yes
No
Reconnect TSP Connector
Check the TSP connector on
LCD Module
Yes
Replace LCD Module
Check the I2C signal(R629,
R630) and int signal(R1101)
Yes
Resolder R629,R630,R1101
No
No
Check the TSP
VDD_1.8V(C819) and
AVDD_3.3V(C1116)
Resolder or Replace : C819 or C1116