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Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-35
8-3-13 TSP
Yes
No
Reconnect the HDC501
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(R430,
R431) and int signal(R500,
R506)
Yes
Resolder R430, R431, R500, R506
No
No
U508 Pin 5 = 2.8V(C538)
and Pin 6 = 3.3V(C537)
Resolder or Replace U508
Touch Screen does not work