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8. Level 3 Repair
8-4-15. Display
LCD is still off after PWR ON
Yes
No
Reconnect the HEA7001
END
Yes
Check
ELVDD 4P6 = 4.6V (C7086)
ELVSS_-4P4 = - 5.4 ~ - 1.4V (C7082)
ELAVDD_7P3 = 5.8 ~ 7.9V (C7080)
No
Resolder or Replace the U7003
Yes
Check the connection of
HEA7001
Replace the Display module
Yes