Question about Hitachi 51F510 51" Rear Projection HDTV-Ready Television

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Shocking As soon as i turn on my tv,it starts sparking or arcing and is visible when i look in through the back panel.The sparking causes the picture to jump,no shock there,and is very audible.I purchased the tv march 2005 and im hoping this is not a major meltdown.Thanks

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Depends where the sparking is most of the time it's the flyback transformer. other wise the tubes will spark.

Posted on Dec 05, 2007


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My element tv 50 inch led tv started acting up and now there are lines throughout the picture and the picture is barley visible and a hiss coming out the speaker please help.

try unplugging the power cord, this might reboot the tv. I have replaced the power supply and or capacitors on power supply. and sparked them back to life.

Feb 18, 2015 | Element Televison & Video

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Why does circuit breaker spark when turned on?

Under most conditions, sparks occur between contacts of switches, circuit breakers, etc. during the split instant between fully closed and fully open positions (these sparks are really refered to as arcs or arcing). This instant is the point when the full pressure of the internal spring-loaded mechanism that is pushing or pulling contacts together or apart; is not yet felt. This pressure is usually felt only in the fully closed or fully open positions.

The brightness and duration of the arc is directly tied to the amount of power is being switched and the condition of the contacts themselves (contacts become pitted and dirty over time and arcing becomes more noticeable). Many larger switches and circuit breakers employ specially engineered arc flash suppression techniques and materials as the intense heat from the arc is destructive to ordinary insulated switch materials. Ordinarily, the arcing should not be visible to the naked eye.

Here\'s a video of an incredible arc at a power switching station when the switch is opened.

Jan 13, 2013 | Electrical Supplies

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I own a 52" d52w26 hdtv monitor last couple of

I see two possiblites your flyback tranformer has failed and with it your horzital output transitor has shorted. most technicians can replace these. IS the spark in the front or back of tv. if it is in the front this is a tube. as a tech i would first identify what compnents are sparking. also this could be a capacitor shorting cause a burnt curcit board

Nov 02, 2010 | RCA Televison & Video

1 Answer

I touch the on/off button on the Prima TV to turn

I am sure you had some strong static electricity. The static spark arced to inside of the TV in to the circuit board. Many of the low cost TV sets have poor static electricity protection.
In most cases there is damaged caused by static shock to electronic devices.
Just for curiosity, you can try unplugging the set from the AC mins and plugging it back in to do a simple reset, in case there is no damage and some logic device became hung up.
Last year I picked up my mobile phone and got a static shock from it. I had to get a new phone. This phone never worked again!

Jerry G.

Jan 19, 2010 | Prima C2012 TV

1 Answer

Tv went off and won't come back on.

the arcing sound is some kind of high voltage leak, which will shut down the tv. pull the speaker grill off and the access board, look at the 3 picture tubes, turn the set on you will see where the leak is, it's usually the high voltage splitter, which has a high voltage wire going into it and 3 high voltage wires coming out going to the picture tubes, if it arcs from the splitter you need to change it, if it arcs from one of the picture tube wires you need to pull the tube out and fix the high voltage leak, and possibly a cooling fluid leak caused it, not an easy reapir, you probably need a repairman.

Sep 08, 2009 | RCA P52926 52" Rear Projection Television

1 Answer

My RCA projection tv makes a loud buzzing, humming noise. Does as soon as turned on even before picture comes on, does not stop till tv is turned off.

buzzing noise is cause by small electrical arc inside the unit or a problem in your audio circuit.if you can open the unit up and check if its an electrical arc.

Jun 21, 2009 | RCA HD52W59 HDTV Projection Television

1 Answer

Louding sparking in the back panel.

more likely its the flyback arcing which is a common problem with the ITC222 chassis which is what your model is. You can get replacement 259296 flybacks at the following link with free detailed instructions with pictures so you can do the repair yourself.

Nov 29, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Popping; sparking of Red Projector to metal frame

Sounds like the red CRT has an internal short. Sometimes happens that the picture tubes develop an internal short and cause arcing. I world CAREFULLY disconnect all of the wires to the CRT and see if the arcing goes away. VERY IMPORTANT!!! there is a high voltage wire attached to each pictur tube, usually a red wire that goes to the side of the tube. You can get a shock even if the TV is unplugged, as the tube will hold a charge for years after the power is disconnected. If you don't feel comfortable doing this, DON"T since the shock is powerful enough to stop your heart.

Oct 18, 2008 | Sony KP-61XBR48 61" Rear Projection...

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