Question about LG 50PC1DRA 50 in. Plasma Television

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Herd a poping sound and then the picture started flickering and is now very dim

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  • althomp Jul 14, 2009

    Is the 6871QYH039B Control Board Assembly the mainboard as you previously made reference to?

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The mainboard need to be replaced, the price should be something between $80-$120.

Posted on Jul 12, 2009

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1 Answer

Tv problem troubleshooting screen all white no picture


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Take it to a repair shop.

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Lcd tv


Many causes: Bad cables? Wiring? Something mechanical/electrical nearby?

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It sounds that the problem is with its back-light inverter baord itself

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Have vizio 37 in lcd , heard poping noise. now screen is black but sound works


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

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1 Answer

The picture


could be the flyback starting to breakdown

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Samsung, same exact problem - flickers on power up for a few min


This sounds like a power supply problem, how old is the monitor? If it is not new in the last year and is used regularly it sonds like a faulty capacitor in the power supply. If you are aware of the precautions necessary when handling capacitors and a moderatly competent solderer then you can replace then yourself - a complete set of capacitors usually costs around £3 or $5

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1 Answer

Screen does not start (switch on)


Sounds like a mode issue. Make sure you have the pc set to a compatible mode for the monitor. You may also want to double check the vga cable is firmly set in the monitor and pc.

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White screen say heat run after a power failure


Was it the house power flickering or the tv poping off and on? If the house power you may have damage in the tv. Try unplugging it for 20 minutes and the plugging it back in. May need to be reset......If this doesn't help, it will need to go to the shop.....

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1 Answer

Mitsubishi VS-45607 Picture flickers and dims


It could be a bad solder connection that opens up as the set warms up. It could also be caused by a couple of bad capacitors, C2p05 (100uf/16v) Located By Ic2p01 and check C2c52 (10uf/50v) Located near Q2c51. A technican will be able to fix it for about what you paid for it I suppose.

Jan 24, 2007 | Mitsubishi VS-45607 45" Rear Projection...

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