Question about Sylvania SRT2232S 32" TV

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Sylvania SRT2232S Powers On, No Picture, High Frequency squeal

TV picture went out. Unplugged unit. Plugged it in next day and picture came back. While watching TV picture went out. tried unplugging again, no luck this time. When power cord is put into socket a hear a high pitched frequency coming from the TV. Sound appears to be normal.

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  • wgioioso Nov 27, 2008

    Thanks for the quick reply, by element - do you mean the picture tube? There is one main board in the TV and a smaller board attached to the pix tube. I thought maybe replacing the main board might do it assuming it isn't too expensive. I could replace the board myself it doesn't look too complicated. Hey, times are tough :) the set is about 6 years old.




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Hello there. I'm sorry to say that it sounds as if the element that actually energizes your screen is bad. It is most likely overheating. or quite poosible the power converter lost a resistor or 2.

Posted on Nov 27, 2008

  • Edward easley
    Edward easley Nov 28, 2008

    I'm assuming that your TV uses an electron gun to excite the phosphors that let you see a picture. the element would be the 'gun'. the sound you descrideb is indicate of a faulty electromagnetic unit. something that changes/mixes the power from your house and the information from the video input and sends the level info to the gun. I'm over simplifying, but that's the gist. If your not against possibly permanently damaging the machine, you could always get a multimeter and test. if you do, be very cautious. you must have it powered down and MUST discharge the capacitors (they can hold a signifigant charge even after being powered down for a long time), usually via the coil around the screen. if you are not comfortable doing this, please just let it be. much better safe than electrically shocked.

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