Question about Orion STV2763 27" TV

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Orion STV2551 27"TV...

Watching TV...screen went black and now only makes fast high pitched beeping sound...no other sound...no picture...any suggestions?

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  • jcook7 Apr 27, 2008

    tv picture went off and just has a bussing sound

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1 Answer

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  • Orion Master
  • 1,635 Answers

The flyback transformer, and some other components may have failed. The main power supply may also be damaged.

It is impossible to know the exact failed parts without trouble shooting the set.

Jerry G.

Posted on Jun 10, 2008

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1 Answer

The screan is too dark while I am watching tv


If a conventional picture tube type set it will have a high voltage transformer inside with a focus and "screen" control--in this case the screen needs to be adjusted up slightly.

Adjustment is inside the set so you have to have back off and be careful as high voltage is present when set is on (need it on to adjust the screen control just up a tiny bit).

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1 Answer

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Hello cote,

This indicates a problem in the power supply either the low voltage switching supply or the High voltage power supply. The sounds you hear is the shutdown circuit activating, I would not suggest that you try to repair this problem because of the dangers involved. I would suggest that you take it to a qualified TV repair shop. This problem should not cost you much, however it is the best choice for the problem you described.

I hope this helps,
Thank you,
Shuttle83

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1 Answer

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The beeping sound is caused by the power supply trying to turn the set on then off. Your failure is a bad high voltage transformer and subsequent failure of the horizontal output transistor. Probably not a cost effective repair.

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1 Answer

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Rarely picture tube also shows the same symptom. High pitch sound is due to through deflection area LOT power supply is loaded. Compulsary horizontal output transister short. From your statement i think Lot puncture takes place. Change LOT and horizontal output transister and check tv is now working.

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