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We have an AEG Plasma monitor DPD-4200 DDPTCC02799 S/N. This plasma monitor contains a teletext facility. We have not been given a service manual and our screen changes from bright colours to dull colours and back again. It also goes sometimes to a grey screen and the screen flickers up and down. We took it to the TV serviceman who cannot fix it without a service manual. He thinks it requires Power supply PCB and Logic PCB. Where can I find the service manual and the parts in New Zealand? Also, apparently some picture and/or text (such as mute symbol and a few texts from menu) have burned into the plasma. How can this be prevented from happening as we thought AEG is a quality brand name and we have the monitor only 4 years.

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: colours all messed up and reds dull look brown

You should first turn off all the color on the set, or play a b&w Tape or dvd. What were looking for here is, what the color balance or grey scale looks like first. If a B&w video or whatever looks true to grey and black and white then you have whats called croma problem in the color or video demodulator. My friend I wish there was an easy way to assist you in this type of repair but theres not, as it could be a problem in the video/croma demod section of the video jungle IC and this is not a user serviceable part or repair as thers several issues concerning Hi voltage as well as x ray radiation. Now if its a problem where the grey scale or the B&W is not true to color then theres a problem in the R G B driver circuits. Could be a simple drive adjustment or even a soft or weak picture tube. I hope if your not a tech you seek a pro to assist you in this troubleshooting as this could be dangerous for you as there are no user serviceable parts inside this set. Good Luck

Posted on Jun 21, 2006

  • 934 Answers

SOURCE: Red noise or flicker on bottom half a plasma screen

The old saying that a pictures is worth a thousand words could have been looking at this one... If the lower screen had been streaked in B&W or bands ran completely through the picture Old Drummer I would suspect the logic board also but that's lower y-board failure.

Posted on Nov 15, 2007

  • 298 Answers

SOURCE: No picture, sound works. Screen flickering

It sounds like the video output isn't
working its most likely a component
failure 1 thing you could try is connecting
a rca cables from video/audio out on the set to
another set vid/audio inputs to see if it the video gets
through.This is a problem that requires technical
knowledge and test equipment to trace the video

Posted on Nov 22, 2007

  • 26 Answers

SOURCE: Plasma TV buzzing

If the adjustments on the power board are correct and if you are not at high altitude, the plasma display panel is defective. If the set is off warranty, it is not cost effective to replace the display panel. If it is off warranty, you should give the manufacturers Customer Relations a call. The phone number is usually right on the back of the tv. The manufacturer of the tv might make a warranty concession if they are concerned about their brand reputation. Some manufacturers find it less expensive to just switch brand names rather than make good on defective products. If all else fails, you might get some money back by selling the circuit boards on eBay.

Posted on Feb 20, 2008

  • 1 Answer

SOURCE: Toshiba 42hp83 plasma power supply problem?

I had the same problem. It turned out that one of the cooling fans get dusty and does not work. I opened the back of the Toshiba plasma TV and cleaned the failed fan, and it worked like a champ.

Posted on Mar 06, 2008

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