Question about RCA 32F530T 32" TV

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TV won't turn on...

Remote or manual push button on the TV will not turn on the power. there is a high pitched noise coming from the back of the TV and it smells warm. Does this mean time for a new TV?

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Re: TV won't turn on...

Probable bad flyback transformer or shorted cap in horiz circuit,
horiz output xistor suspect,also...................have tech check or
replace set....................T.

Posted on Dec 03, 2007

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Last night about 3 am I turned off my tv. when I usewd my remote to turn it back on it would not ( t v) come on and no picture or sound . I turned it around to see the back of it but it has no reset

Your TV have faults on Horizontal deflections, the oscillator and the Flyback might be the problems. If you are not familiar with TV circuits?... call tecnician to check your set.

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You can tell to some extent what it may be by listening carefully and trying to identify the location. If you, remove the back cover of the set; stay away from danger, just listen to where it seems like the sound is coming from. If it is coming from inside the high voltage cage it is the flyback. If coming from around the main power transformer it is one of the power supply parts.

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My Daughter has the same problem with hers. That high pitch noise your hearing is coming from
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Sounds like trouble in the standby/power up circuit. have you tried unplugging the TV for a half hour and seeing what happens? It might start up but I think this problem won't go away. If you heard a high pitched buzzing it sounds like a problem in the high voltage not letting the start up circuit work. threy are related. The start up circuit waits for the high voltage to stablize and then switches it on.

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The power surge has caused a failure of an internal component. If it is making this noise it is possible the line output transistor has failed. I would advise calling a service repair centre & have someone there take alook at it. All being well this may be the only problem. Power surges can sometimes cause other faults.

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According to the Samsung website: "The high pitched sound you hear is probably coming from the flyback transformer. The flyback transformer converts the relatively low voltage electricity that comes from the outlet in your home to the high voltage electricity needed to drive the cathode ray tube in your TV. It is not unusual for a flyback transformer to buzz softly when it operates. However, if the sound is loud and high pitched, it probably means the transformer is failing. To eliminate the sound, you will have to get your TV serviced."

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I think maybe the G-board needs to be replaced. A TV shop will have to repair it. They normally start around $200.00

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1 Answer

TV won't stay turned on, no picture, started making high pitched noise

That high pitched noise you're hearing is the power supply telling you that it has too much of a load on it and lowered its operating frequency which in effect cuts its output way down! Normally you don't hear any thing since the power supply operates at a frequency that's beyond human hearing. In an RCA this indicates more than likely that your horizontal output transistor is shorted and this short was caused by the flyback transformer shorting. This is a common happening with RCA's You'd need to take to a tv shop and have it checked out. Stargazer

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