Samsung Galaxy Tab 4 - Enter Text

Level
3
Repair
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8-20
8-3-9.
TSP
Yes
No
Reconnect the HDC620
Check TSP Connector on
Main PBA
Yes
END
Yes
No
Resolder or Replace U620
Check the Voltage on
C
622,
C621, R620
=2.8V?
Yes
Replace U620
Yes
Yes
Check the I2C signal
Resolder or Replace R625, R626
No
Touch Screen does not work