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Hitachi 42pd4200 plasma tv color flicker

I bought a hitachi 42pd4200 plasma tv from new york, and brought it back to romania with me. it's multisystem, romania uses PAL, and it's worked great for 3 years now. A month ago, i noticed a problem. when powering on, before it displayed the color image of the channel it was tuned to, it showed a bunch of white starsprinkles on the top right side of the panel. and then when going up/down by channel, same thing happened, for a split second, then the image came on and after maybe 5 minutes, after i guess it warmed up, the problem disappeared. i could power it on/off, navigate thru channels, there were no more sparkles. now today, it seems the problem evolved. while watching a movie, the color on certain objects on the screen would flicker. usually the brighter objects displayed thru the movie. the flicker i'm describing is a split second alteration between the real color that's supposed to be displayed, and the reverse of it, sort of. and this happens on AV1,2,3,4, whether i watch my dvd player, my pc tv out, or the regular cable channels. help, i don't know where to start. if you guys think i need to resolder some ribbons as above, i can. i just hope the plasma is still ok, and that i don't need a new panel. i've heard stories of plasma lasting a period of time, then.. getting used up or some crazy ideas like that. hope not. i appreciate any help offered

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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jerryg50
  • 1667 Answers

SOURCE: snow

There is a fault in the main processor that is causing noise. The set will have to be serviced. The tech will probably try the main video processing board to start.

Jerry G.

Posted on May 13, 2008

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dsacco86
  • 1077 Answers

SOURCE: TV screen went negative. Brand new TV

I would use the warranty for this problem. The part that need to be replaced can be somewhat expensive.
With the credit card statement, you can use that as a receipt.

Posted on Apr 11, 2009

  • 23 Answers

SOURCE: plasma TV with vertical lines

EASY! ok the 4th video processing unit is malfunctioning, if it is a Piano affect like the keys on the piano, then that can be fixed under your 1year warrenty after your 1year warrenty it will cost $200, but i could be wrong, i never studied panasonic plasma casue they ****, next time get a samsung.

the worst contrast and video ajustments, thats a panasonic.

trust me i am the flat pannel guru!

Posted on May 02, 2009

  • 5 Answers

SOURCE: Black line in middle of 42'' plasma screen

Its most likely going to be a D board or a C2 board, I had vertical lines on mine got the service manual and it breaks the screen down into squares, well I had a problem where the lines were all over, stuck pixels ect, replaced the D board and all is well, fix was quoted at 300 by a local shop friend after I told him my problem so it would be worth the tech to fix it. If you could do it yourself (it is pretty simple) the boards are cheap on ebay.

Posted on Oct 01, 2009

  • 30 Answers

SOURCE: screen started to go black while watching the tv.

yes, by canging the bulb. it proboly went out while the television was already dead. you can try but i would hire a proffesional. it may cost 100$ or more.

Posted on Oct 11, 2009

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3 Answers

Instuction maual for hitachi plasma tv model no P50X01AU


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    Hitachi 42" plasma 4 yrs old


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    Google "HItachi Convergence Circuit" and you will see that it is a very common problem. Looks like TV repair guys get $400 to fix it. The parts will set you back $15-$50 but there is some complicated soldering to do.

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