Touch Screen Does Not Work - Samsung SM-M307F Service Manual

8. Level 3 Repair
8-4-19. TSP

Touch Screen does not work

Check TSP Connector on
MAIN PBA
Check the voltage
VDD_TSP_A3P0 (C7077) = 3.0V
Replace the Display module
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No
Reconnect the SOC7004
No
Resolder or Replace U7004