Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television

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Another NO PICTURE but have photo **pls come in and take a look!**

Calling all experts. Here's a photo i snapped. TV was working fine until yesterday. Anyone have any input? Convergence board? I just want to make sure before I shell out $100. Thanks in advance. Cheers!


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The picture does not help without some video displayed. Check out convergence gallery.

easyab

Posted on Aug 27, 2008

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Posted on Jan 02, 2017

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If I understand you correctly:
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You replaced it with a BU2520DF.

I'm not sure what you mean by "change to dynamic mode".

Dynamic what?

Usually, horizontal problems in TVs are caused by bad capacitors in either the sync circuit, the driver circuit, the geometry circuit or the output circuit.

When I repsir problems like this I use an oscilliscope to find which stage is not working properly, then start substituting the capacitors in that stage until the problem is solved.

Look for large orange or blue ceramic or polyprop capacitors with bulges or cracks in them.

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