Display - Samsung SM-J710FN Service Manual

8. Level 3 Repair

8-4-15. Display

LCD is still off after PWR ON
VDD_LCD_3P0(C7013) = 3.0V
VDD_LCD_1P8(C7015) = 1.8V
ELVDD_4P6(C7017) = 4.6V
ELVSS_-4P4(C7016) = -4.4V
ELAVDD_7P0(C7012) = 7.0V
Replace LCD Module
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Yes
Check the connection of
HDC7002
Yes
Chek
Yes
Check
Yes
Yes
END
www.AppleUnlockStore.com
No
Reconnect the HDC7002
No
Resolder or Replace the PMIC(U5004)
No
Resolder or replace the DCDC(U7002)