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When powering on the tv it maintains power for only a few seconds and shuts off again. Than it wont power back on untill you unplug and replug it n again. than it does the same thing, shuts back off after a few seconds.
Re: When powering on the tv it maintains power for only a...
Power supply board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.The power supply board,that the board where the power a/c cord plug into it.
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The tv a/c power cord unplug,replug it back tv work normal again for awhile.There ur answer the tv power supply board is the causes and the problems.That the board where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
Hold the power button in for a few seconds it will shut down. Then unplug system and push the power button down with it unplugged then replug it in and power up again. Then do a proper shut down again to see if the problem fixed. I hope this assisted you. John
Hello it looks like you a problem with your main board, maybe a horizanal deflection. you can get the problem by run troubleshoot codes, first hold the buttons mune and input or device until starts blinking account the blinks, it will blink few times and the it will pause for a second again will blink. get blinking number like, 2 the 2, or 2 then3. that means 22 or 23. 22 means convergance problems. feel free to call me if you need more help with your tv. 602-810-7149 i live in mesa az
it sounds to me that there is a bad capacitor or perhaps a cold solder joint somewhere in the power section of your tv. not sure how much repair would cost, but i will say it's about $50 to have an service tech come out and lok at it.
It looks like the power supply is not providing the correct voltages to the other circuitry and that is when the LCDs failed to power up. In about 95% of the time the power up issues are due to a defective power supply.
I repair these power supplies, let me know if you required further assistance or you can email [email protected] for more info.
look closely at the electrolytic capacitors in the power supply. If you see any with the tops bulging out, replace them. Especially the 1000mfd caps labeled EC9, EC10, EC18, EC19, EC20
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