Question about Panasonic PT-47WX49 47" Rear Projection Television

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Panasonic Projection Covergence problem

Having convergence problems with my 47 inch. Colors don't line up and I have two green rainbow lines across the bottom half of the screen. I had th IC
changed 2 1/2 years ago while it was still warranted. Any idea what the problem is ? How much I can expect to pay?

Jeff M
Reno, NV

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  • 4,234 Answers

I would guess that the IC has failed again. Can you post the number marked on the IC here? If you can solder, you should be able to repair this yourself. If you can get the part number, I may be able to provide a different replacement that will last longer.

Dan

Posted on Jun 26, 2008

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Blue and red lines across the screen in a rainbow pattern


Projection 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 menu. If you cannot adjust it in the menu - then yourconvergence 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
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. The power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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69189a5.pngSOLUTION #1

What you will need to do is convergence. You can get a repair kit from www.TvRepairKits.com . It includes replacement parts,step by step instructions, support, etc.
You can also read more about this on the tips page here on Fixya. Here is the link.
http://www.fixya.com/support/r11932741-convergence_repair_dull_video_repair

Dec 30, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

I try to ajust the green convergence on reference mark down ,and i can't move this line to left or right. how i can ajust the lamp to the righ or left. thank you


Ur tv 100% have a problems known as a convergence picture peoblems.The tv convergence board it is dead,if any of the colors lines R,G,B mis alignments and u will not able to auto or manually to adjust any of the R,G,B colors lines to alignments any of them up.The tv convergence board must be replace like 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The tvs shops will cost u like $300-350 for parts and labors.

May 29, 2011 | Panasonic PT-47WX51 47" Rear Projection...

1 Answer

Green tint only on left hand side towards the middle of the screen


Tv have a problems known as a convergence problems,it dead.The tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board,must be replaced to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

Nov 29, 2010 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

I have a Panasonic pt-53x42 projection tv. I believe i have a convergence problem. I have double lines running along bottom of screen..Any help please...


Yes,this problems is 100% convergence problems,it dead.The tv have colors lines R,G,B mis alignments anywhere in the pictures,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board,must be replaced to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

Nov 23, 2010 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

The blue lense is off by 2 inches and can't adjust it. The picture has a blue shadow.


The tv have a problem known as a convergence problems,it dead.Any colors lines R,G,B mis alignment,have 3D pictures or colors shadows.The tv convergence board it dead.Require changing 2 STK convergence ICS and some or all it resistors to solved convergence problems.The shop,will cost u $300-350 for parts and labors.

Sep 08, 2010 | Panasonic PT-47WXD63 47 in. Rear...

1 Answer

KP-51H1w40 has red blue lines curved across the screen about an inch or so apart, like a rainbow


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted

You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 09, 2010 | Sony KP-51HW40 51" Rear Projection...

3 Answers

Panasonic Projection Covergence problem


Try using either STK392-150 or STK392-180. Either will work and both can handle more power. Also, be sure to use plenty of heatsink compound when installing them.

Dan

Jun 26, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Rainbow ghosting


You need to replace both convergence ICs there numbers are STK392-110 this is a easy inexpensive repair if you do it yourself. Takes about an hour beginning to end. You can order your parts at the following link and they provide free instructions with pictures and also free on line tech instant messaging while you do the repair. I am one of the support techs for them I do the instant messaging during the repair. Heres the link. You'll need two STK392-110 Convergence ICs.
http://servicemanuals.vstore.ca/

Apr 12, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Convergence


covergence amp ic"S need to be replaced.

Aug 16, 2007 | Panasonic PT-53WX54 53" Rear Projection...

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