Question about Norcent Technologies PT-4240HD 42 in. Plasma Television

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Just replaced 4 capacitors and my 42" plasma still not coming on. all i am getting is the red light and the green light but no picture and no sound. what is wrong now?

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Check all capacitors carefully again. Also check the FETs. This problem is mostly due to weak capacitor or FETs as i experienced

Posted on Mar 20, 2011

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2 Answers

2006 42" plasma has blank


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.

Apr 23, 2011 | Philips 42PF9630A 42 in. Plasma Television

1 Answer

Heard a pop and lost picture. Unplugged TV then turned back on. Green light in front of TV flashes as if it is going to coming on but doesn't and then the red "lamp" light starts to flash and...


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.

Apr 17, 2011 | Sony KDF-E42A10 42 in. LCD Television

1 Answer

LG 32" Plasma TV power-on problem


Hello,

Your power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
hope this helps...

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2 Answers

Philips flat screen 42" flashing red light 7 times it stops for 5 seconds and 7 more flashes if i unplug and plug it a few time it will come on


my 42 inch phillips, i turn it on green light comes on for 10 sec then red light comes on and flashes 4 times then stops for 5 sec then repeats.

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2 Answers

Blinking red light and tv will not turn on.


problem on power supply , u may have 2 bAD capacitor

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1 Answer

Plasma Hyundai 42'' TV ,NO SOUND OR PICTURE


most times then not it's the capacitors on your power board that blew there for not supplying the tv with enough power if you open it up and check the capacitors it should be leaking some kind of liquid or the tops have bubbled up. its an easy fix cost>>2 dollars each

May 21, 2009 | Televison & Video

1 Answer

42'plasma phillips tv


I had the same problem and fixed with a great online tutorial. Just replace 3 capacitors available at Radioshack onthe the board. 2662, 2663, 2664 1 is a 1000uf the others are 100uf. Max Volts need to be over 25. It worked great, check http://dynamicorange.com/2008/06/25/fixing-a-plasma-tv/
for more detail.

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1 Answer

42" Panasonic plasma has no picture, but power light is flashing


I think accroding to your model number this unit is plasma.
I need to know red light how many times flashing and correct model number

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