Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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Hd52w27d no picture and arcing

When you take the back off, the card on the left rear(from the back) has a transformer that is arcing. Can this be replaced or can you replace the board?

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  • RCA Master
  • 8,617 Answers

Thats called the flyback yes it easially replaced. the follwing link has replacement Flybacks and they provide free step by step instructions on how to do the repair. Your set should use the 259296 flyback if the tag on the rear says ITC222 chassis below the model number. Heres the link.
http://servicemanuals.vstore.ca/

Posted on Jan 26, 2009

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My rca p52926 picture cuts in and out


If model number is correct (on rear of set in small letters it should be a PTK 195 chassis) you have a high voltage lead somewhere that is arcing.

This set did have issues with the High Voltage transformer failing and also that High Voltage (well over 10,000 volts) gets distributed to each of the 3 picture tubes this model uses.

Sometimes the lead where it connects to one of the tubes begins to arc---it is coated with white silcone to prevent this.

If arcing around the entry point to any of the tubes sooner or later it will take the set down--destroy parts that are currently ok.

Usually we locate this by turning set on with back off and looking and listening when set is turned on---If a frying or pop is heard up above the main boards--one of the entry points (called the 2nd Anode) is arcing.

I have seen them arc hard enough and long enough to actually crack and break the glass wall of the picture tube.

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1 Answer

Have a HDTV, model number HD52W67 , has no picture. My wife informed me that she saw a spark come from the back bottom. Spoke with someone who told me that this TV does not have a lamp but a tube. Need...


Most of the time when I have seen this it was either caused by a high voltage component leg arcing where the solder joint has gone cold, or the high voltage transformer is arcing. Most all the parts for this set are no longer available including the high voltage transformer and the board it is on. If the set is working, I would see if the power/ high-voltage board has a bad solder connection that is arcing. If it goes too far, the board will be burnt beyond repair. When you take the back off the set, it will be the board on the left. It is important to remove all the screws holding the board in place and flexing the lock tabs. It is a little tricky to get out. Once it is out, inspect the bottom of the board for any arcs marks. If you see one, make sure you remove all the carbon trail and re solder the component leg. Reinstall and before powering it up be sure all the plug connectors are in their proper place.
I hope this helps,
Skyassoc

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1 Answer

It has an electric arc in the back an makes a cracking noise


the high voltage runs the picture tubes. you have a bad high voltage transformer (large signal board) or something wrong with the anode wires (big red ones) or could be a bad tube. this has 30,000 volts so be careful or call a Pro.

Sep 09, 2010 | Philips 60PW9363 60" Rear Projection...

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if the noise is from inside the tv in the back,the high voltage transformer that feeds the anode for the rgb tubes,28000volts probably is arcing.

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1 Answer

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Replace flyback transformer cost verys from 21.00 - 71.00

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1 Answer

T.v. not coming on ,turned off by itself with an arc noise


The part is known as a flyback transformer.. it will have to be replaced.. also the horizontal ouput transistor will possible most likely be bad..

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1 Answer

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sounds like the high voltage transformer arc or one of the picture tubes arc causing the convergance ic to go bad
you can try to replace the IC heres a site to help:
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

but you still may have a arcing problem.

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1 Answer

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You need to remove the back and observe where the spark is coming from while the set is on. Dimming the lights may help you. Sometimes you can see a blue glare accompanied by an ozone smell. You might even hear a sound such as a slow air leak in a tire. The most likely area is around the high voltage transformer or the picture tube anode. The transformer has the thick red wire or wires coming out of the top. Also follow the three red wires to the picture tube anode( the place where the red wire plugs into the tube) Use your senses, listen smell , and look for any blue glare or arcing to the metal frame. If you find the leak near or on the transformer use 100% silicone rubber to patch. Allow at least 12 hours to cure. If the arcing is coming from the picture tube contact me for detailed instructions. You must act promptly and find the source of the arcing before you have a dead set. In short, spark + flash = crash. Good luck

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Most times arcing like this is from the Horiz. output transformer (flyback). The insulation has a break down and up to 30 KV will find the nearest path to ground. This would require a tech. to repair the unit. This repair will most likely cost around 250.00.

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