Touch Screen Does Not Work - Samsung SM-A920F Service Manual

8. Level 3 Repair
8-4-18. TSP

Touch Screen does not work

Check TSP Connector on MAIN PBA
Check the voltage
VDD_TSP_A3P0 (C7081) = 3.0V
Replace the Display module
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Yes
Yes
Yes
Yes
END
No
Reconnect the HEA7001
No
Replace the PBA