Question about Proscan PS50700 50" Rear Projection Television

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50 in. HP plasma made loud pop noise and stopped working.

Unplugged unit and waited 10 min. now won't come back on, power light goes off and on with some clicking noises.

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  • Anonymous Feb 27, 2009

    TV went dark, now with it turned off it keeps clicks.

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  • 90 Answers

Clicking is from the relays -- sound like the power board went out--

go to partstore.com

Posted on Feb 24, 2009

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Samsung HLS5086WX/XAA made popping noise and shut off, then made whirring noise.


When my TV did this in the past it ended up being the color wheel. I had someone replace it and it worked fine. I asked it if had to be calibrated after it is installed and he said no. Also make sure the door switch is pushed down when you install the back bulb door. Sometimes this switch can go bad as well.

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Plasma wont turn


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Aug 18, 2009 | Televison & Video

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Tv would not turn on and kept turning it's self off when it finally did load was on for 3 mins then a loud pop was heard,TV went black then continued to turn it's self on and off again this did not stop...


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Oct 02, 2008 | Proscan PS50700 50" Rear Projection...

1 Answer

I heard a pop noise then picture went out. when i power on tv i get a red flashing light instead of greenlight in left corner of tv. I have a 2002 pioneer 50 inch plasma


The 'POP' noise was likely a capacitor saying farewell.

If you are able, AND confident with electrics - take the TV apart (UNPLUG)

These TVs are very heavily populated with Surface Mount components - I suspect that you will likely find - what looks like a small can (half a centimetre in diameter, with 'candyfloss' coming out of it..)
YES - You could get a replacement from somewhere like Maplin / Radioshack......
Replacement will work - However...you really need to establish WHY it went Pop, and get to the root cause (Excess power feed / drain)
Realistically - without sounding too negative . . other components would have also been affected but not necessarily killed.

Good Luck.

Aug 19, 2008 | Televison & Video

1 Answer

Hitachi 50 Inch rear projection TV, Model 50UX58B. TV made a popping noise and then shut off. I unplugged the set and waited about a minute to plug back in. Pressed the power button. The red power...


that could be many different things such as a defective CRT, A capacitor that has shorted. or the flyback. Unless your good at electronic repairs it may be best to call in a repair tech for that type of issue as I have only just lightly touched on the possible causes.. It will need to have the standby and operating voltages tested to pinpoint the problem if it isnt noticeable by visually inspecting for blown components such as capacitors

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1 Answer

POP goes the Plasma


You've lost the standby voltage, probably due to varactor or passive component failure...accordianman

Feb 26, 2008 | Televison & Video

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