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Level 3 Repair
8-3-10. TSP
Touch Screen does not work
Check TSP Connector on
Check the Voltage on C702 =
Check the I2C signal
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Yes
Main PBA
Yes
3.3V
Yes
C702 ≥ 3.3V?
C 703 ≥ 3.3V?
Yes
Yes
Replace U705
Yes
END
No
Reconnect the HDC702
No
Resolder or Replace C702
No
Resolder or Replace R700
Resolder or Replace R702
No
Resolder or Replace R703, R704
8-25
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