Question about RCA HD52W59 HDTV Projection Television

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RCA D52W14 Was watching the TV and it suddenly made a fairly loud pop. The screen went to a wavy pink color with a very faded image of what i was watching. Within 2-5 seconds it shut off, I turned it back on everything thing happened the same with the exception it did not make the popping noise.The screen was wavy and pink and within 2-5 seconds it shut itself off. Any ideas on whatis going on? The TV was manufactured in 2004 and thank you for any help you can offer.

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  • bassin365 Jul 26, 2008

    I am the original poster, just to see after reading other problems, I've to plug it in and turn it on. Nothing happens at all now.

    Just adding a little more info about the problem.

    Thanks

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Hello bassin365,
The loud pop you heard was a filter capacitor. The problem now is the power supply is shot, or should I say the capacitor that is connected to that voltage output is blown. You will have to replace it with a new one. I would suggest just for your curiosity, unplug the TV, take the lower panel off (you will need a star head driver to do this) and look at the power supply board (the board on you left side) look towards the middle of the board and you will see a heat sink in the middle of that heat sink you should see a capacitor (or the remains of one). its value is 2200uf 16V (I believe that this is the one that has gone bad), you should also look for others that may have blown also. I would also suggest that you have a qualified TV repair person come to your place and work on this for you, due to the nature of this section of your TV.
If you choose to do this yourself you will find this useful.  Get a schematic to find the values the Chassis number I believe is ITC222. Here is a link to the schematic:
http://www.eserviceinfo.com/downloadsm/3692/Thomson_ITC222.html

I hope this helps,
Thank you,
Shuttle83

Posted on Jul 26, 2008

  • Henry McKelvey
    Henry McKelvey Jul 27, 2008

    Hello bassin365,





    Oh, btw make sure you check the switching transformer, pins 21-22 and 19-20. I changed the capacitor in this one set and it played for 90 days and then went out with the same issue, it turns out that the transformer on pins 21-22 and 19-20 developed a 1turn short which causes excessive current flow and damages the cap over time. The funny thing is this problem is caused by the cap going bad in the first place, but during the process of the customer trying to turn the set on and off this opens the partially shorted cap but causes the turns of the transformer to short. A fine example of cyclic damage. In any event check the switching transformer. (you will need to do a ring test).



    Thank you,



    Shuttle83

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Please do us a favor and rate this by cliking the thumps up icon located here >>>>>>

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Below are more details for both items. Also, complete repair kits with instructions and repair support are avail from site such as www.TvRepairKits.com

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....



  • Screen looks 3D
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  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
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Here are some pics of convergence problems.


7859b01.jpg

e87380c.jpg
69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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All projection TV sets have two very common problems. One is convergence ( 3D/Warped video or dead set) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. In some cases the TV will also not show any video. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

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  • Screen looks 3D
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Here are some pics of convergence problems.


7859b01.jpg

e87380c.jpg

Common Problem #2) CRT Fluid is Cloudy

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Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

69189a5.pngSOLUTION

You can get the correct parts, step by step photo instruction guides, and support from www.TvRepairKits.com or click here

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Misaligned colors


These chips are the culprit:

http://www.fixya.com/uploads/images/4790134.jpg

Replacing them requires a lot of soldering and a knowledge of circuit boards.

Is the Tv worth saving? is it bright and clear? was it good (when it worked?)
if the answer to all of these is yes, then you have a few choices. If any of these are not true, then you should just get a new tv.

Your choices are:
If you are good at soldering, then you can attempt to replace the IC's yourself. (with all of the parts handy, it should take 1 hour)

If you aren't good at soldering, then you can have a friend do it for you, or you can have a mechanic fix it. (tell them that its the convergence IC's that went bad. (pay no more than $200 for the job).


These go bad on almost all projection tvs eventually. They overheat and burn out, causing the screen to go in/out of alignment and make wavy lines.

If you need more info on IC's, contact me.

Thanks for asking!
-Josh

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The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded overs.


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3d884ac.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

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You can get a convergenece repair kit with instructions from the links below.

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Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
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Problem #2
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Your set may have one or more of the following symptoms....

*Dull looking picture
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