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SAMSUNG TVHD has Hrglass effect as picture

This is a Samsung TXR2779H HD TV bought used ,got it home an looks like the picture shape of hr glass but comes in clear any ideas what needs to be fixed ? TY

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The set has a pin amp fault. This is due to failed components in the pin amp section, and also possibly in the horiz or vert scan sectioins. If you are experienced in TV servicing, have the service manual, and have the service instruments and tools, it is possible to troubleshoot this fault.

These types of problems can be complex to service. The tech will have to refer to the service manual about checking specific waveforms and voltages in the pin amp sections.

I suggest you return the set for warranty service. If you bought it used, you will have to take the set in for an estimate. This type of fault may not be low cost to service.


Jerry G.

Posted on Feb 23, 2009

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