Question about Panasonic PT-47WXC43 47" Rear Projection Television

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I have a Panasonic PT-47wxc43 projection tv. It is haloing up from the bottom with purple and green double images. It is worse toward the bottom. Is it fixable and what would an estimated cost be?

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  • waddellky May 25, 2010

    Yes thank you very much

  • waddellky May 26, 2010

    The tv is approx. 7 years old and I know there are a lot of other bulbs and things that could go bad. Would I be better off to scrap it and buy a comparable LCD for around 700 - 800 dollars.

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Hi


Thanks for using FixYa. The issue is with the convergence ICs going bad and needs to be replaced. It’s not a difficult job if you want to do this yourself, you should require some basic knowledge about soldering-resoldering components. To start with you’ll have to open the back of the unit and then blow the dust off. After this is done check the ICs which are located behind the black heat sink and also check the resistors as if they are short the ICs might blow again after sometime.


I have a Panasonic PT-47wxc43 - baad3d6.jpg



As you asked, the typical cost to get this fixed by a pro is around $300-$350. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on May 25, 2010

  • Rylee Smith
    Rylee Smith May 26, 2010

    Thanks for accepting the solution. Well, it really depends on you. Normal life of a projection TV is 10-12 years so its your choice when to change it. If you are looking for a new one then go for LCD only not a Plasma as plasma heats easily.

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1 Answer

My tv has a arching green tint towards the bottom of the screen that also gives off a double image. I have a Panasonic hdtv 47 in screen model no: PT-47wx54j


Convergence problems. If they can't be fixed from the setting on the menu then the convergence board's IC's are faulty and must be replaced. This is a job for someone who has some electronics experience.

Aug 09, 2010 | Panasonic PT-47X54 47" Rear Projection...

1 Answer

I have a panasonic PT-47wxc43 projection tv. I have green and purple halos coming up from the bottom. The screen has purple and green double images which are worse from the bottom up.


Hi,
This problem is due to convergence output ICs failure and both chips will be replaced to fix the issue.
There are two big black ICs installed with aluminum heat sink on deflection board, these are convergence output ICs and will be replaced to correct the problem, it is common problem of rear projection tv.
Below image of deflection shows ICs (marked in red) that are need to be replaced.
IC number is STK392-110 and available with Part Store for $32 each.
Click above link to see an image of IC.
If you are handy with electronics stuff repair and can replace parts in tv circuit board then can replace these parts yourself or ask local tech to help you.
Hope these info will help you.
Let me know if you have additional question.
Thanks.


May 25, 2010 | Panasonic PT-47WXC43 47" Rear Projection...

1 Answer

Panasonic PT-47WXC43G green ONLY is bowed on bottom and top


Hi,
It still convergence chip problem, check big resistors nearby these chips that would be open or devalued and causing problem, specially in green convergence area, your green tube/ gun is just fine and just not getting convergence output signal to show correct image.
I would suggest to download service manual copy of this tv for small fee from any website and fix the issue with schematics help.
Thanks.

May 02, 2010 | Panasonic PT-47WXC43 47" Rear Projection...

1 Answer

The screen on my panasonic is warped towards the middle from the bottom of the screen. i also cant converge the green lamp as its colour is outta whack. the blue and red will converge though


You probably want to replace both IC's and possibly a few low value resistors gouped close to each IC on the aluminum heat sinks. The IC's wil have STK392-1xx written on them. Replace with either stk392-150 or 180's.

Jan 26, 2010 | Panasonic PT-47WXC43 47" Rear Projection...

1 Answer

Purple and Green haze on television image


Do you have any speakers near the TV, that aren't shielded... ?That's kinda what it sounds like to me.

Apr 10, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Green and purple band of color


Projection TV sets have two very common problems listed below.

Problem #1) Convergence


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.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou 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

Jan 31, 2009 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Panasonic Rear Projection TV PT-47WXC43


I have a Panasonic PT-47WXC43 47 in Rear Projection. It went off, on picture, no sound. 

Jul 13, 2008 | Panasonic PT-47WXC43 47" Rear Projection...

1 Answer

Panasonic PT 47WX53 CinemaVision TV


http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Mar 21, 2008 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Green....purple....colors


If you are technically savvy and you can solder.....requires
chassis pull...replacement of convergence IC's...mounted on large heatsinks on board to the right looking in from rear....If
you want help........Let me know................T.

Dec 27, 2007 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Panasonic Model No. PT-47WX42F


Replace the convergence amps. That unit takes two Sanyo STK392-110 and you could use 150's for greater reliability. Also replace one or more of the 1.2 ohm resistors in the yoke return circuit out front of the amps.

Oct 06, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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