Question about Samsung HCM4215W 42" Rear Projection Television

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Samsung HCM4215W pink/green and wavy

Hope someone can help, while i was watching t.v. today on my Samsung HCM4215W the color went out of whack, i mostly have green and pink shades now, and my screen has a couple of wave marks on it that dont' move. It looks as if someone ran a magnet all over the screen. thanks, jason

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  • ashall4 Mar 20, 2008

    myn screen has pink and green in outline of screen it destorts the top and bottom of xcreen have tried adjusting color and contrast but it does not help

  • Anonymous May 21, 2008

    i heard a snap and when i looked at the tv it had a pink screen with red horizontal lines across it the sound went out also this is the third time i've had it repaired is there a recall? it is only 7 yrs old .ive had tvs last 20 yrs or better sounds like cheap workmanship .i am very mad about this .i paid a lot of money for what seems like a piece of junk.

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I think samsung should back up the flawed product this seems like a too common occurrance.why should we have to pay over and over again my tv is not dusty inside or out it is just defective.anyone else agree with me?lets hear from you.if i have to pay again i will trash it and buy a different brand.and they want to charge for customer service

Posted on May 21, 2008

  • Anonymous May 21, 2008

    my mistake it is just 5 and1/2 years old

  • Anonymous May 21, 2008

    after unplugging the circut board on the bottom of the tv and pulling it out to look for somthing bad i put it back together and plugged it in and it worked just fine. i give the glory to god as i did nothing but take the tv apart and put it back together again.hope this helps as i had nothing to lose it was broken any way.i also learned that even the most expensive tvs out there today are built to fail in a couple of years. the old cathode ray tube tvs are still the best thing out there. let this be a warning to you when buying a new set. gl2u all.

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Practice visual acuity technique!Check signal PCB for CRT coolant leak.Cleaning circuit board may restore normal operation,but one or more leaks will cause problems to re-occur.Change leaky CRT(s).

Posted on Sep 27, 2007

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2 Answers

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Hi Greg,
Sounds like you have a bad convergence chip in the convergence board. Unfortunatly, about 80% of the rear projection sets I work on have this similar problem. I suggest that you change both chips ( there are 2 of the same ) and remember to use heat sink compound as this is why you not have the problem ( excessive heat destoys electronic components). Good Luck
Ed
NC Electronic
Mills, Wyoming

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