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8. Level 3 Repair
8-4-13. Display
LCD is still off after PWR ON
Yes
No
Reconnect the HDC9000
Yes
Check the connection of
HDC9000
Yes
END
Check
VDD_DDI_3P0=3.0V (C9010)
VDD_DDI_1P8=1.8V (C9011)
VDD_DDR_1P6=1.6V(C9018,C9007)
No
Resolder or Replace the PMIC (U9002)
Yes
Check
ELVDD 4P6=4.6V (C9019)
ELVSS_-4P4 = -1.4 ~ -5.4V (C9012)
ELAVDD_7P0 = 5.8 ~ 7.9V (C9017)
No
Resolder or Replace the PMIC (U9002)
Yes
Resolder or Replace UCP500
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