Lcd - Samsung GT-P3100 Servise Manual

Level 3 Repair

8-3-12. LCD

LCD is still off after PWR ON
Check the connection of
Check the soldering status of
Check VAP_IO_1.8V =
Check DISPALY_3.3V =
Check Transmitter
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Yes
HDC 801
Yes
EMI Filters
Yes
1.8V(C802)
Yes
3.3V(C803)
Yes
IC (U801)
Yes
Replace LCD
Module
Yes
END
No
Reconnect the HDC 801
No
Resoldering EMI Filters
(F800, F801, F802)
No
No
Resolder or Replace the LDO IC(U803)
No
Resolder or Replace the Transmitter IC(U801)
8-30
Check U701