Question about Zenith Z20LA7R 20 in. EDTV-Ready LCD Television

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Polaroid tv picture

I am getting a picture but no sound what is the problem.

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The TV electronics for the picture may have failed. Do you get any picture ever, like when you turn it on, or when you connect a DVD to it?
If you do then replace the scart cable with a good known brand. Cheap scart cables often do not have all the pins connected up.

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Ur tv power supply board is defective.That the board where the a/c power cord go into it.Replaced the power supply board,ur tv will have stable power and work again.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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Change or move yellow one, of the cables, or component. if not then something you need from expert..

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There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

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Take it back if its under warranty if not get it serviced at your local repair center..

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1 Answer

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1 Answer

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there might be some loose contact inside the board
check those chips for any fire r anything 
this could happen due to heat also

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