Question about Sanyo DS25390 TV

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Buzzing in TV is from part sdt sh 112dm. will changing the part quiet the buzz?

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C622 is the real problem. It is a 470 uf capacitor filtering the power to the blue relay. Radio Shack sells it for $1.29 part number 272-1030. make sure you observe polarity when you replace it. In other words, the side marked minus goes on the negative side. Check the markings on the old capacitor and replace it the same way with new one. The new capacitor has a higher voltage rating which is even better.

Posted on Jul 29, 2010

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I had the same problem with the same model.
The solution was to replace a capacitor, C622, which is located near
a small blue rectangular plastic component.
This component is a relay that is controlled by C622. I paid $2.39 for
the part, $8.99 for S&H for a total of $11.38. This fixed my problem!

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