Question about Gateway GTW-P42M303 42 in. Plasma Television

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Gateway plasma tv

The model of this tv is GTW-P42M403. This model isn't listed among your choices. The tv comes on but the image doesn't appear. There is no noise or picture. The remote will turn the tv on but will not turn it off. I tried plugging my dvd player into the tv but no images appeared. The channels don't change either. The only thing the tv does when turned on is flash like it's not getting enough power.The screen shows a is a blank black image. What could be the possible problems and solutions. Don't tell me to take to a repair guy. I don't have the time or money to waste with them! Is there common problems with this model? You can reach me at ejschube@indiana.edu. My name is Eric.

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  • 16 more comments 
  • Eron Dec 27, 2007

    I have the same problem. I can turn on my screen and it acts like it will come on but no picture or sound comes on. When it happens, I can't turn the television off with the remote or power button on the screen. I have to disconnect the power or use the switch on the side of the T.V to turn it off. I need help because it used to do this and then work after I play with all of the connections and disconnect all the power but now that isn't even working.

  • tranjo Feb 11, 2008

    I have a gateway GTW-P42M303 that wont come on. Green light comes on, but no sound or screen display at all. You can hear relay click when turning on then it clicks again two seconds later. Apparently this is a huge problem with these units. I replaced power supply board and t.v. worked for about two minutes and now is doing the same thing again. Any help would be appreciated. I know a new better t.v. can be bought for less than $800.00, but it seems a shame to just throw this one away.

  • tqlatndr Feb 17, 2008

    tv wont turn on same way the others dont

  • Anonymous Mar 18, 2008

    I have the same problem with my gateway gtw-p42m403. The TV will turn on with the remote but I do not get a picture or sound and to turn the TV off I have to use the power switch on the back. Please help streetsqid@aol.com

  • Randy340 May 05, 2008

    Second time with the exact same problem. First time was under warranty and they replaced a 13-wire harness and plug. The plug and receptacle would develop electrolysis and need to clean the plug recetacle and replace the wiring harness and plug. Where can I get parts?

  • waxtruck Jun 06, 2008

    Main power button on the rear of the TV works. Power on remote/tv both work, but will not turn off. Blue screen and no sound. Tried connecting coaxial and video inputs, but nothing appears and still no sound. This was given to me and I would like to get it fixed within a reasonable cost. Please help.

  • brimonda Aug 04, 2008

    We had the same problem with our Gateway Plasma...did you fix it? What did you do?

  • tony 2671 Aug 19, 2008

    i turn the power on and the screen is blank its hoked up to cable

  • javiere64 Aug 20, 2008

    I have GTW P42M403. The image goes away then the sound. Black screen. Do i need an image board?

  • Slugs Sep 12, 2008

    Gateway p42M303- I was told, after I paid a nice price, that the issue with the green light coming on and no picture is the main power board is out. Does anyone have a broken model that is willing to sell parts?

  • Anonymous Oct 12, 2008


    Hi!

    I'll have the same problem like the other guys, flashing black screen, no picture no sound. I think find the location and I did fix it then it works for week or two. This fixing going back and forth about 3-4 month. Here I'll send you 2 pics to see where is the "problem". Please let me know what do you think or tell me the solution. Thanks, Mike





    P.S. Where the arrow on the larger image, there is a red wire which I always jiggle and it works!

  • jordan6768 Mar 29, 2009

    When this happens to you guys does it click twice and then the green light on the front turns orange?

  • jordan6768 Mar 29, 2009

    Also the LED on the back (Green) blinks 8 times.

  • hoganscott Apr 11, 2009

    I have the same problem. Is it worth replacing the two fuses to see if that helps?

  • jredmann Apr 12, 2009

    I have the same problem on a GTW-P42M403, except at first the screen had a few squares in the picture and then they went away after a bit. Then a few days later the squares showed back up and were moving. After that the picture went blank. I get a light on as if it was powering up. Not sure if it the power board or what, any help is appreciated.

  • RGenius Apr 16, 2009

    wow that was awesome! that fixed my gateway also! that joint just needed to be resoldered!

  • procmon Apr 19, 2009

    I am VERY interested to know who all here has applied the fixes suggested and still has a functioning system.

    I can attest as having the exact same issue with my P42M403 with the same burnt pin and broken solder on the back of the PCB AUX1 board.

    It appears that a re-solder of the pin on the back Alone is NOT sufficient to resolve these issues (after some time it just fails again and again). So, before I go and modify the power cable by adding a dedicated connector... is it worth the trouble. Does it last or not?

  • Anonymous Apr 23, 2009

    Can someone Re-Post the pics? I imagine it would be helpful in applying this fix.

    or e-mail me at 2booned1@gmail.com

    Thanks!

    - Dave

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I was able to resolder the pin shown in the picture and it fixed my problem as well.  I also used a razor and cut off the last socket for that pin on the connector and put a dedicated connector on so that it will take the heat a little better.  Also when I re-soldered that pin on the bottom side of the board I scraped away some of the protective coating around the solder puddle so that I could make a bigger solder puddle to add a little more strength and heat resistance.

Posted on Nov 22, 2008

  • ronschke Jan 26, 2011

    Have the same TV and apparently am lucky. This just happened to us. Could someone please re-post the pic?

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Mike, I too have the GTW-P42M403. And "had" the exact same problem which I was able to fix by a little soldering.

If you flip the board over and look at the exact location of the pin in question in the picture you have shown. You should see some separation in the solder as I did.. (Might need a magnifying glass)

I simply cleaned and re applied new solder and it filled the open area nicely. Resembled and has been working perfectly.

Hope this is the same case for you as it is a easy fix.

Posted on Oct 27, 2008

  • Stephen Cox Aug 23, 2013

    I need to know where to look. is it the a/c to d/c converter board or somewhere else. please help.

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I had the same problem outline by other posters here:

- no image on screen
- no control by remote
- ocassional flashing of screen back-light (while still no image)
- amber led when rear "master switch" engaged, then green led when powered "on" with remote power button or front panel power button, but still no image
- could not power off with remote power button or front panel power button (had to use rear "master switch")

And, as noted by at least two others below, found the same cause/culprit: a pin and connector on the power board pictured by Mike (posted Oct 11) was discolored and apparently over-heated. Whether this was the cause or effect, I don't know, but the end result was separation of solder on the rear of the pin and poor contact between the pin, connector and ultimately applied power.

As Mike posted Oct. 11 and bitzzy posted Nov. 22, the solution is to fix the bad connection. After removing the power board I re-soldered the weak pin connection and also removed the corresponding connector on the cable connector to clean and check the connection. After reassembling, I am happy to say everything is back to working perfectly!

Thanks to the internet and kind posters on this forum for helping me find the problem and fix it without dropping $hundreds$ for a repair or a $thousand$ for a new set!

Posted on Jan 10, 2009

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Try this:
http://nyclubkid.com/gatewayrepair

The repair made the TV show a picture again, but the image quality isn't very good. I've got green and red squiggly lines all over the screen...

Posted on Dec 27, 2007

  • Denver Zimmerman Jr.
    Denver Zimmerman Jr. Dec 12, 2010

    having the same problem after trying this fix....any suggestions??

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I have a little 13 inch gateway that really is a piece of work. I use it as a second TV for cable while my main TV is on Xbox. Anyways sometimes I turn it on and it just shows a blank screen, channels flick like usual when you change it but no numbers show up or anything of the sort. Volume also will not show. If I smack the side however it usually kicks back in. For all of you who haven't tried smacking the side of your Gateway before you decide to haul it away please give it a shot!

Posted on Aug 23, 2015

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Where is the picture that should be shown. I am now having this exact same problem.

Posted on Aug 23, 2013

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<div style="background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(255, 255, 255); margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 4px; padding-right: 4px; padding-bottom: 4px; padding-left: 4px; font-family: arial, verdana, sans-serif; font-size: 10pt; ">I have a <span class="Apple-style-span" style="font-family: Arial, Helvetica, sans-serif; font-size: 14px; line-height: 13px; "> GTW-P42M203... and am having the same issue... where would I look for this particular pin?</span></div>

Posted on Aug 23, 2010

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  • Amber Aug 23, 2010

    I have a GTW-P42M203... and am having the same issue... where would I look for this particular pin?

  • Amber Aug 23, 2010

    I have a GTW-P42M203... and am having the same issue... where would I look for this particular pin?

  • Denver Zimmerman Jr.
    Denver Zimmerman Jr. Dec 12, 2010

    after removing the back of the tv, look to the top and slightly left of center. there is a small board with several wires connected to the left side and a power/ground conected to the right. the left side wire power is the culprit you are looking for.

  • yam1985 Dec 21, 2010

    I have the same problem but cound not find the board with the pin causing the problem. Do you have better directions to the board like size, wire connections and maybe the name printed on the board? yam1985@hotmail.com

  • Stephen Cox Aug 23, 2013

    I cannot see the picture. I would like to know more detail on which board as well.

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