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lg 50ps3000 screen dead but gets audio

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graybe:
please can someone give me an idea on how to fix my lg 50ps3000.
it turns on and you get audio but the screen stays blank. ihave replaced the y sus board but  no difference still screen is dead.

Baileybum1234:
I dont have the answer mate, but do you hear clicks on/off on/off from the relays?  Im just having simular problems with the LG 50PQ6000 possibly simular boards??

rap1d61:
Try taking out the upper buffer board....... This should light up the lower section.
If this does not work replace & take out the lower buffer.
This should light up the top section of the screen.
***Remember the board has to be removed so as no contacts can be made.***

tv tony:
Why do you suspect the y-sus so early in your diagnosis, is the psu supplying vs and va supplies, or have you been watching youtube videos?

clark97:
Check q13 14 and 15 on Z sus for s/c theres a kit available from ohmsupplies if they are short.

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