Samsung GT-P6800 Servise Manual page 65

Level 3 Repair
8-3-13. LCD
LCD is still off after PWR ON
Check the connection of
Check the soldering status of
Check AMOLED_6.8V(C814)
AMOLED_5.8V = 5.8V
Check AMOLED_IO_1.8V =
AMOLED_VCI_3.0V =
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Yes
HDC 801
Yes
EMI Filters
Yes
= 6.3V,
Yes
1.8V(C812),
3.0V(C823)
Yes
Replace LCD
Module
Yes
END
No
Reconnect the HDC801
No
Resoldering EMI Filters
(F800, F801, F802)
No
Check R800, L800, L801, D800, R804, R805
Resolder or Replace U801, U803
No
Resoldering U802, U804
8-34
Check R806