Check TSP Connector on
Main PBA
Reconnect the HDC702
Step 3
Check the TSP connector on
LCD Module
Reconnect TSP Connector
Step 4
TSP_VDD_1.8V =
1.8V(C540) and TSP_AVDD =
3.3V(C539)
Resolder or Replace the PMIC(U500)
Step 5
Check the I2C signal(R457,
R458)
Resolder R457, R458
Step 6
Replace LCD Module
Step 7
END
Unofficial Support Site For This Phone By welcome Zone Haldwani
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