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When plugged in to AC power, our 19" screen tv has no power but makes a chirpping sound

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Bad horizontal output transistors or bad flyback transformer. Something that would have to be tested by a qualified service technician. Taking apart tv's is very dangerous!

Posted on Aug 17, 2008

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Hi we have a 720 Magnavox flat screen tv that is about 5 years old. When i went to turn it on the other day the picture started flasing and making a chirp noise.. and won't fully


power supply problems does it have a separete power supply if so you can try to change or if you have someone with the same you can ask to try it.if its internal power supply it needs to be fixed.

Aug 20, 2012 | Magnavox 37MF437B37 37 in TV

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My element 19 inch flx-1910 tv will not power up


did you make sure the voltage, amperage, and polarity were matched tv to plug?  The information is found on the back of your tv and the plug must match that.  If they do not match, you might have fried your tv.

Mar 11, 2009 | Proscan 19LA25Q 19 in. LCD Television

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Phillips Magnavox Proj. TV only makes cyclic chirping sound


Most common reason is shorted convergence chips. Goto the site www.TvRepairKits.com and get their "chirping set" repair kit. 

Feb 01, 2009 | Philips Magnavox 9P6034C 60" Rear...

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TV making chirping sound


If one of the secondary supplies is shorted, the power supply will "chirp" when plugged in. This is the power supply's way of protecting itself and this usually happens when the horizontal output transistor is shorted. If this set was in my shop and needed a new output transistor, a fair price would be right around $100.

Jun 28, 2007 | Toshiba 32DF46 32" TV

2 Answers

TV making chirping sound when plugged into power outlet. There was a power outage and now the tv is just chirping. I did open it up just to see if any fuses were blown and the only fuse I could find...


If one of the secondary supplies is shorted, the power supply will "chirp" when plugged in. This is the power supply's way of protecting itself and this usually happens when the horizontal output transistor is shorted. The only real problem I find with front AV jacks is that they crack loose from the board, because they are subjected to the extra stress of the AV jacks being constantly plugged in and unplugged.

Jun 28, 2007 | Toshiba 32AF45 32" TV

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When tv turned screen is blank and chirping sound comes from back


A chirping sound usually means that one of the secondary supplies has shorted, most likely the horizontal output transistor. The power supply "chirps", which is the sound it makes when it protects itself from drawing too much current. The set should be serviced by someone with experience in Philips projection TV'.

Jun 21, 2007 | Philips 43PP9202 43" Rear Projection...

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