Question about RCA F32650 32" TV

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RCA F32650 32" TV Problem:

Where is the flyback transformer located, can i fix myself?

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  • dalefanone20 Nov 28, 2008

    I have a RCA 31" tv that won't turn on or off,there is a squeeling noise,my model #is F31672ET

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  • 26 Answers

The flyback is a a block with some wires coming from it. One of the wire is a big red wire that goes to the picture tube. The FBT is usually on the right rear of the circuit board.

Please be careful when working around the FBT as there are extremely high voltages present - in excess of 25K.

I would suggest you take it to a service shop as when the FBT goes, other parts are usually gone too.

Posted on Nov 17, 2008

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1 Answer

We replaced the transformer for our RCA F27650. It was sparking and now it is not, but now the screen won't turn on. It is just black. We hookd all the wires up like they were. we can hear sound, but...


Hello
Along with the flyback transofrmer, its horizontal output transistor also must be replaced. I don't know whether you have replaced it or not. If not, replace it too. It can be located very near to the flyback transformer, a three terminal component, black in colour, usually screwed to a metal heatsink. Then switch on the TV and measure the video output voltage at the video output card pluged directly to the picture tube neck. The collector of the video aoutput transistors must come around 145VDC. If it also is there, advance the screen control on the flyback transformer to get a raster. If that voltage is not there, it means that the flyback transformer is not working, and horizontal oscillator stage should be checked for oscillation, check the lined drive transformer for its primary winding open, Check the entire horizontal oscillator section. The collector point of the line drive transistor, the transistor that drives the line drive transformer, a small transformer soldered diretly to the printed circuit board; should be checked with frequency meter. The frequency at that point should come around 15525HZ approx: OK.

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This set needs a flyback transformer p/n 262342, and a horizontal output IC, location number on the board is q14401 and crosses to NTE2353. When you're in there too touch up any bad solder joints you can find. Fixed several of these with the same problem.

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RCA(32 inch)


It is possible to repair it yourself. Let me caution you though. There are a number of generic manufacturers that sell replacement flyback transformers at less $$ than the original. The shop is most likety using the factory original which runs in the $75 range. Figuring on a typical labor rate of $125 for a 32" set gets you to the $200 figure. Realize also, that the $200 will include any other supportive parts that may be required in all probability as well as at least a 90 day guarantee.
Dan

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Sounds like you have a shorted horizontal out put transistor and bad flyback transformer. This is a common problem in the newer RCA's. I've had serveral of them do this. The noise that you hear is the power supply telling you that it's overloaded. Stargazer

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