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Level 3 Repair
8-3-11. TOUCH Part
Touch does not work
U302 pin 5 (C302) =1.8V ?
(look over using an
Oscillocope)
Touch does not work?
(Click the Touch Screen)
Yes
Yes
Yes
END
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No
Replace U302 using a Heatgun
(must be coming out the signal 1.8V)
#1 : Resolder R500, R501, R502
(with an soldering iron)
No
#2 : Replace the U500
(be possible that the sample has the problem)
#2 : Replace the HEA500
(be possible that the sample has the problem)
8-26
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