Question about Polaroid TDX-01930B 19 in. LCD HDTV
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
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Posted on Jan 02, 2017
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!
Posted on Aug 05, 2009
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
Posted on Oct 16, 2009
If you do get sound but no picture, then check the inverter bd fuse also.
Posted on May 28, 2010
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.
Posted on Aug 24, 2010
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