My polaroid tv shows that its on by the blue light, when I turn it on it shows polaroid for 3 secs then the screen goes blank
SOURCE: Polaroid FLM 2011
have a tech repair your tv the problem is in the power supply and related circuit.good luck.
SOURCE: Screen goes black after couple seconds on my Polaroid 42" LCD
I had a TLX-4240B 42" Polaroid LCD TV and the screen would go black after about 10 minutes. There was still sound. I removed the two covers exposing the circuit boards behind the TV. I powered up the TV and waited for the screen to go black (I was going to start trying to pinpoint where the issue was with my trusting meter) then noticed a red light would come on when the screen would go black. there were 4 mini switches right above the red light. I switched the one that said burn and the TV has been working great since. good luck and let me know!
SOURCE: screen black. polaroid tv 32". have sound TV/DVD Combo TDA-03211C
sounds like inverter board. What it sounds like is happing is your LCD is working ut the backligkt board that allows you to see is kicking off. (as you still have sound) Which could be the (most likely) inverter board, or the power supply board. You can take apart and check for voltage at your power supply. The power supply has a pigtail with large white wires and a connector. Power up with the center back cover off and check your voltage at the white connector on the power supply before and after the screen gos out. If there is no large voltage loss it is your inverter board.
You can used boards on e-bay or
www.rns-systems.com
SOURCE: polaroid tv goes immediately off after turning on
If you do get sound but no picture, then check the inverter bd fuse also.
Parts:
http://www.shopjimmy.com/polaroid-proview-860-az0-jk371h-power-supply.htm
http://www.shopjimmy.com/catalogsearch/result/?q=Polaroid+TLA-04011C+
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
SOURCE: polaroid LCD TV Model 3200 - Will not turn on
you have a power supply problem.. I have fixed serveral tvs with this problem. normally you have to replace busted capacitors in the power supply board.
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