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8. Level 3 Repair
8-4-11. Display
LCD is still off after PWR ON
Yes
No
Reconnect the SOC7000
END
Yes
Check
VDD_LCD_1P8 = 1.8V (C7068)
VDD_LCD_3P0 = 3.0V (C7064)
No
Resolder or Replace the U7003
Resolder or Replace the U7002
Yes
No
Resolder or Replace the U7005
Yes
Check the connection of
SOC7000
Replace the Display module
Yes
Check
VDD_LCD_ELVDD_4P6 = 4.5V (C7067)
VDD_LCD_ELVSS _-4P4 = -4.4V (C7070)
VDD_LCD_ELAVDD_7P3 =7.3V (C7069)