Samsung galaxy S4 I9500 TSP Touch Screen Not Working Solution

Samsung galaxy S4 I9500  TSP Touch Screen Not Working Solution Schematic,Circuit,Diagram

Samsung galaxy S4 I9500  TSP Touch Screen Not Working Solution Step By Step

Step 1

Touch Screen does not work

Step 2

Check TSP Connector on 

Main PBA

Reconnect the HEA700

Step 3

Check the TSP connector on

LCD Module

Reconnect TSP Connector

Step 4

U600

TSP_VDD_1.8V(R741) and

TSP_AVDD_3.3V(C709)

Resolder or Replace U600

Step 5

Check the I2C signal(R5025,

R5026) and int signal(R741)

Step 6

Replace LCD Module

Step 7

END

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