Question about Samsung Televison & Video
I have a 55in Samsung LED that has started showing a faint black cloud in the upper right corner of the screen no matter what is showing. The screen also dims uncontrollably even in steady lighting. Software is up to date. The PIN to reset is not recognized. Picture test is fine except for the cloud.
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
Posted on Dec 29, 2016
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Posted on Jan 02, 2017
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