Lcd Is Still Off After Pwr On - Samsung SM-T530 Service Manual

Level 3 Repair
8-3-9. LCD

LCD is still off after PWR ON

Check the connection of
Check the voltage of L804
Check the C812
Check the voltage of
C808=3.3V, C809=1.8V
Check the L800,C801
and High(1.2V)
Replace LCD
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Yes
SLC800
Yes
= 3.3V
Yes
and High(20V)
Yes
Yes
Yes
Module
Yes
END
No
Reconnect the SLC800
No
Check the Buck-Booster(U801)
No
Check the Backlight Driver IC(U802)
L802L803,C811,D800,C813,C814
No
Check or Replace the
LDO (U800),C808,C809,
No
Check or Replace the LVDS
No
8-22
or Replace U801
or Replace the
Transmitter(U803)