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://electronicshelponline.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.
SOURCE: Plasma "warm up" is now up to 30 minutes and climbing
put a towel across the top of the tv so it can heat up faster and you will get your picture. be carefull!!
SOURCE: my tv takes like ten minutes untill it's turning on,why?
Replace any swollen capacitors in power supply.
SOURCE: Turn on Samsung LN-T4665F and vertical colored
when I turn the modelLN-T4661F TV on it just clicks and clicks any help how to fix it.
SOURCE: Samsung LCD TV slow to start
Dont have a solution, my samsung 46 inch is doing same thing. Have you found a solution?
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