SOURCE: have a Polaroid TDA-03211C tv with dvd player. Won't play DVDs
As long as you know a disc is not stuck inside I recommend taking it to your local svc center to be looked at.
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: Looking to buy a Polaroid TDA-03211C the needs repair
I have a 3 year old TV with the same problem as shema_ross.
helpful hookup diagrams here: http://columbiaisa.50webs.com/diagrams_index.htm
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