Question about Toshiba 50H82 50" Rear Projection Television

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Screen corners are arking. - Toshiba 50H82 50" Rear Projection Television

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Hello my name is rico ,i work on tvs sometimes. it looks like you have bad convergance or bad transformer, transistors, or cold solder in the convergance board. if need more help let me know my phone number is 602-810-7149 i live in mesa az

Posted on Dec 29, 2010

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I have a polaroid tv model tda-03211c made in june 2007 and what happens is i plug it in and turn it on and everything works like normal then the backlight goes out and then the LCD turns off and the D13...

replace the parts that have been arking. that must be a high volt area to ark over. capacitors should bee changed... the glue you put on may help stop the arching but if that area is a hot zone on the board it can make thing worse as the melting glue can be come stuck to other parts and the volts can pass through it to other parts on the board.

Sep 18, 2013 | Polaroid TDX-03211C LCD TV

1 Answer

Have a ground and wire is running but will ark intermited

There are two items I would like you to do:
1) Change your contact tip and try again. Make sure the wire is running smooth thru the gun. If this not cure the problem then go to step two.2) Change your wire. If it is too old probably is rusted and not making proper contact.Hope this help.

Nov 30, 2011 | Welding Tools

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Left my lights on in99 ford explorer went to start will not start tried jumping it still will not start. A clicking sound started could it we anit theft?

WHEN you put the last jumper clamp on it should ark a little if it dosen't it means one of the clamps is not making good contact if u turn your parking lights on while you are connecting the jumper cables you can see the ark better leave them on for 3 min then try to start but make sure the last wire arks if it dosent kind of wigle each one to get a good conection

Nov 03, 2010 | 1999 Ford Explorer

1 Answer


Try this helps

Feb 25, 2010 | Uniden BC350C Base Scanner

1 Answer

I will be watching TV and the screen will go black, sound still coming out. If you turn it off for several minutes and turn it back on the picure is there. Sometimes this will happen several times within a...

the problem you are having is comon the inverter board is arking at one of the ballist transformers.
you could try opening the unit and make sure that all the pink and white wores from the transfomers are saperated. if they cross sometimes they ark over .. if thats not the case. the easiest cure is to replace the
inverter board about a hundred dollar item for

Dec 21, 2009 | Emerson EWL3706 37 in. LCD Television

1 Answer

Ark blow and like a loud ark only sometimes on 305

need to change your polarity or change location of your ground on the peice you are working on if running left to right put ground on right

Dec 14, 2009 | Lincoln Electric Ranger 305D K1727-2...

1 Answer

Electric arking between blades

check that one of the ionizing wires has not come loose also look at the plates and be sure they are straight a little bend can put them too close together and cause them to arc.

Aug 04, 2009 | Sharper Image Ionic Breeze® Quadra® 4.0...

2 Answers

52" RCA big screen tv turns on and few seconds turns off by itsel

if you heard a hissing or like static sound your board probably has a hole in it now. the board on the left side with the flyback fransformer. the hole is from where a prong has come loose an is arking over an it burns the board the ark is the sound you heard.

Apr 23, 2009 | RCA R52WM24 52" HDTV Projection Television

1 Answer

Tv is making sparking noises and keeps turning itself off. It then turns itself back on and off and on again. The screen sometimes goes green during this process

hello. it sounds like you have a couple of thing wrong.!!! one there is a bad fly back transformer.!!! that's arking on to part of the mother board.!!! that's the sparking sound you hear.!!! two is that you have a BAD GREEN CTR GUN.!!! THAT MIGHT BE WHERE THE FLY BACK IS ARKING ON.!!! THAT'S WHAT MAKE'S THE SCREEN GREEN.!!! IT'S SHORTING THE GREEN CTR GUN OUT .!!! & WHAT EVER YOU DO .!!!! DO NOT TRY TO SEE WHERE IT SHORTING FROM !!!.THE HIGH VOLTAGE FROM THE FLY BACK TRANSFORMER .!!! IS NO JOKE.!!! IT CAN KILL.!!! OR PUT IN THE HOSPITAL.!!! THIS IS NO JOKE.!!! SO LEAVE IT TO A SERVICE REPAIR MAN.!!! PLEASE .!!!THANK YOU.!!! "GOOD LUCK"

Jul 30, 2008 | Televison & Video

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