Level 3 Repair
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8-64
8-3-25. LCD
LCD is still off after PWR ON
Yes
No
Reconnect the HEA 700
Check the connection of
HEA 700
Yes
END
No
Resolder or Replace the PMIC(U600)
Check VCC_3.0V_LCD =
3.0V(C642)
Yes
Check VCC_1.8V_LCD =
1.8V(C707)
Yes
Yes
Replace LCD
Module
No
Resolder or Replace the PMIC(U600)
Yes
Check ELVDD_4.6V =
4.6V(C751), ELVSS_-4.4V = -
-1.4~-4.4V(C746)
Resoldering L707, L712
Resoldering U707
No
