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Level 3 Repair
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8-51
8-3-15. LCD
LCD is still off after PWR ON
Yes
No
Reconnect the HDC 702
Check the connection of
HDC 702
Yes
END
No
Resolder or Replace the U707
Check VCC_3.3V_LCD =
3.3V(C549)
Yes
Check VCC_2.2V_LCD =
2.2V(C735)
Yes
Yes
Replace LCD
Module
No
Resolder or Replace the PMIC(U500)
Yes
Check ELVDD_4.6V =
4.6V(C713), ELVSS_-4.9V =
3.0~4.4V(C712)
Resoldering L703, L706
Resoldering U706
No