Question about LG 42LH40 LCD TV
This signs you mentioned are highly suggestive of ' faulty power supply board '. The clicking noise is there as the caps on the power supply board are trying to pass on the energy, but failed to do so.This is an internal fault. You need to open the TV and check the voltage across the power board. Once done, disconnect the board and pull the board out of the TV. Once done, you need to check the caps on the board. Any swelled / leaked / bulged caps needs to be remove. Buy the new one from radioshack or fry's. Solder the new caps and it would be all set.
Note - If the problem still persists, revert and i would be glad to help you further. You need to take all precautions.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Oct 06, 2010
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Posted on Jan 02, 2017
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