Question about RCA D52W19 52" Rear Projection Television

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Rca tv repairman states I need to replace the HV transformer and the horizontal output transistor. His quote to fix it is 225. Is this too much. Is this something I can replace myself, little to no experience. Kevin

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The price sounds very reasonable, the fix can be done by someone who knows how to solder. It is fairly simple but should only be attempted by someone who can solder and knows what is dangerous such as the capacitors. The tv should be unplugged overnight to give time to discharge and to fix it, simply cut off the old soldered connections and solder the new pieces back on.

let me know if you have any further questions.

If you don't know how to solder, then having the repairman do it wouldn't be a bad idea, but you could also see what someone else may charge you.

good luck

Posted on May 06, 2008

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The tv is a Magnavox 51MP392H/17 and has sound but no picture. Any ideas?


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Hello,
The Horizontal Output transistor needs to be changed as it is most likely shorted. The current transistor on this set is a 2SD3402 (no longer available) it's new replacement part number is the 2SC5902.
Order 2 2SC5902 Horiz Output transistors.Replace the transistor by it self once and if all is ok then fine.
If not replace it again and also the the Flyback HV transformer. The HOT transistor is probably shorted again and the transformer is causing it.

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1 Answer

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The Horizontal Output transistor needs to be changed as it is most likely shorted. The current transistor on this set is a 2SD3402 (no longer available) it's new replacement part number is the 2SC5902.
Order 2 2SC5902 Horiz Output transistors.Replace the transistor by it self once and if all is ok then fine.
If not replace it again and also the the Flyback HV transformer. The HOT transistor is probably shorted again and the transformer is causing it.

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1 Answer

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You have a bad high voltage transformer. It is the white square device about 3inch square with large red wire coming out. Must be replaced with RCA original NO GENERIC. Also the horizontal output transistor must be checked to see if it is good. Recommend honest qualified tv repairman

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1 Answer

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The F27669 uses the CTC203 series chassis. The most common cause of that symptom is a shorted horizontal output transistor, caused by a cracked solder joint on a small coil connected to that transistor's base. When this happens, the main B+ supply is shorted to ground so the power supply squeels. Every once in a while I also see the horizontal output transistor shorted due to a shorted flyback (high voltage) transformer. A good tech will replace the horizontal output transistor, resolder the coil and drive transformer, test the flyback (replacing it if necessary) and your set will be back to perfect.

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2 Answers

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If you can find the horizontal output transistor which is located near the flyback transformer,one lead of this drive transformer is connected to the base lead. (horizontal output transistor). There may be a little coil in series with this lead going to the transistor.

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1 Answer

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Very common problem The Highvoltage transformer and the horizontal output transistor has to be replaced. If you have no tv repair experience, this is not a repair for you. seek a professional. Should cost about 175 to 225 for this repair. Good Luck

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