Question about Hannspree HF257HPB LCD TV

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Hannspree 25" LCD monitor (HF257) turns on, but is an all white screen. No menus show up or anything. Is there a specific capacitor that would cause this? Thanks for the help.

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  • szinger1 Sep 19, 2010

    Is there a common board that another multiple manufacturers use, or is it only a hannspree board? Thanks again.

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Simple test: unplug everything from it and start it again - if it's the same then the problem is inside the monitor.
No, a capacitor can't cause that. This is caused by a major malfunction of the image processor - all pixels are fully opened. The entire mainboard will have to be replaced - unless you can find one on the cheap online then replacing it will be expensive and most likely not worth it

Posted on Sep 15, 2010

  • Azrael SRL Sep 19, 2010

    Actually that board is specific to that exact model of tv - only extremely rarely the same board can be used in different models of tv's from the same manufacturer .



    So you must find out the exact board for your exact model of tv. Since Hannspree is a low volume manufacturer, finding one will be difficult.

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1 Answer

TV shows a large white square upon turning on, almost as large as the screen. Nothing else will happen.


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
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The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

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http://www.ccl-la.com/catalog/product_info.php?products_id=241

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