Level 3 Repair
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8-34
8-3-14. LCD
LCD is still off after PWR ON
Yes
No
Reconnect the HDC9002
Check the connection of
HDC 9002
END
No
Resolder or Replace the PMIC(U7002)
Yes
Check
VCC_3.0V_LCD=3.0V(C9012),
Yes
Yes
Replace LCD
Module
Yes
Check
ELVDD_4.6V=4.6V(C9015)
ELVSS_-4.4V=-1.4~-5.4V(C9014)
ELAVDD_7.0V=7.3V(C9010)
Resolder or Replace the DCDC(U9002)
No
Check
VCC_1.8V_LCD=1.8V(C9017)
No
Resolder or Replace the DCDC(U9002)