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Level 3 Repair
8-30
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8-3-9. TSP
Touch Screen does not work
Yes
No
Reconnect the HDC701
Check TSP Connector on
Main PBA
Yes
END
Yes
No
Reconnect TSP Connector
Check the TSP connector on
LCD Module
Yes
Replace LCD Module
Yes
Check the I2C signal(R426,
R427) and int signal(R702,
R704)
Yes
Resolder R426, R427, R702, R704
No
No
U704 Pin 6 = 2.8V(C718)
and Pin 8 = 3.3V(C719)
Resolder or Replace U704
Summary of Contents for Galaxy S II GT-I9100
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