Question about Panasonic PT-51HX40 51" Rear Projection Television

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Sony KP 53v75 blue convergence will not adjust

Unit has ghosting of Blue and Yellow, after trying auto setup I'm able to adjust the Yellow but the blue will not adjust. I understand that somewhere within the unit you can adjust the convergence box, is this true and how do I get to it?

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  • Mike Shaw Feb 21, 2008

    All of a sudden the Blue just shifted way right when I wasn't looking and cannot adjust back to the left at all. It can adjust to the right further and up and down. Nice

  • Miragedelta Mar 21, 2008

    Blue convergence moves up and down but has refused to move left and right,

  • jorgemeraz Apr 23, 2008

    i have a sony kp-61v90. the red color shifted to the right. is there any way i can fix it manually.before i take it to the shop???. thanks please email me im dying to fix my tv.helpppppppppppppp

  • ruddmar Jul 29, 2008

    have same on a samsung hcn4727w cant adusst convergence have hour glass picture on top and bottom.

  • Anonymous Aug 31, 2008

    It's the same thing, I can adjust the yellow but the blue will not move to to the left.

  • Anonymous Nov 12, 2008

    mitsu wsb55 in rear HD has blue ic convergence failure. I have been quoted $500 to repair in houston, looking for options for less $'s

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My Akai PT 5598HDI has too much red and is dominant and convergence board IC's has been replaced. No significant result. On the convergence adjustment on for red is very focused in the center and very brigth and dim along the borders while blue is very dim and blurry. Focused has been adjusted. Your thought.

Thank you,
Rey

Posted on Dec 01, 2008

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No, there is no such thing as a convergence box. There is a convergence board but it should only be touched by a qualified tech who knows what he is doing. If you suddenly see an arc of color on one or more sides of the picture, and you cannot correct it with the user menu, it means that one of your convergence IC's has burned out and needs to be replaced. A good tech can replace the IC (and fuses if needed) in-house in about an hour and a half. I charge $150 when I fix a set like that but shops in your area will vary so ask around.

Posted on Sep 04, 2007

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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
  • 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. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


Sony KP 53v75 blue convergence will not adjust - 7859b01.jpg

Sony
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.jpgTV 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

Posted on Jun 11, 2011

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Green convergence will not adjust

Posted on May 01, 2008

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Posted on Jan 02, 2017

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1 Answer

Blue and yellow convergence? problem...power light blinks 6 times


This is a common problem. Its called a convergence failure. You can get all the parts from www.TvRepairKits.com

Symptoms:

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

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

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

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Hi,
That problem is due to failure of convergence section in TV, you need to check convergence out section in TV to fix that problem.

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put a convergence repair kit in the set that will usually repair the Issue. You can get the Sony convergence repair kit which works with your model at the following link. The kits contain the replacement parts and complete instructions www.tvrepairkits.net

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Hi. there is a malfunction that has occurred within the convergence chip that is located on the PC board(demod). this is a Hybrid chip that controls the calibrations of the RGB streams. If this chip becomes unstable, it will not allow proper calibrations.

Replacing this failed chip will fix this issue.

The actual sony chip is not available at this time but, there is a compatible chip that will work with your set. i will post a link to the affected part below.

CLICK HERE FOR YOUR REPLACEMENT CHIPS

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You need new convergence ICs . They cost about 10.00 each you will need two. They are located on a large aluminum heat sink with an STK number stamped on them. They will have to be soldered in. If you can solder you will be able to do this repair yourself. Let me know if you need ay additional Info.

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Good Day, Martin Ping;

Picture won't merge? It sounds like your TV has had a failure in the CONVERGENCE CIRCUIT by replacing those IC's should correct your TV's problem.

Good Night and Luck, big IRISH.

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