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Convergence Problem The TV convergence suddenly stopped working - manual convergence dosen't work. I was able to repair a similar problem on a different TV by replacing 2 large hybrid chips. I have been unable to determine if this TV has similar circuitry. If one or both of these chips could be the problem, I need to have the part number for the chips. Thanks.

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Slinteriors, Thanks for your response. I thought that I had included the TV information but must have lost it somehow. The TV is a Samsung Tantus, Model # PCJ534RF, Service Model #PCJ534RF/XAA. I think the other TV that I repaired with a similar problem was a Hitachi. I sure appreciate your help. Doug

Posted on Jul 11, 2008

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I will need the model number of your set in order to help you. Pleaserespond to this same post when replying.

Posted on Jul 11, 2008

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2 Answers

Picture not in focus


Devices: All projection TV's (HD or analog), especially Samsung

If its a Samsung HCN653W (or similar model), the first thing to try is the menu option named "Magic Focus", which tunes the set's focus.

Otherwise, it sounds like a job for a convergence. Perform a convergence procedure on your TV, and if the problem recurs within a few days/weeks, then your TV's 'convergence amplifier' board (aka "convergence amp board") is starting to fail.
This board may fail completely, in which case, your convergence procedure will fail to improve the picture.
A "convergence procedure" can be performed entirely by just using the appropriate setup menu option and your remote control.
This board may partially fail, in which case your convergence procedure will properly converge the Red, Blue, Green colors on just part of the screen, whereas a properly functioning convergence amp board will allow complete convergence of the colors across the entire screen.
Your TV's convergence procedure instructions will be found in your TV's Owners Manual.
At least one Projection TV manufacturer recommends that the consumer perform a convergence procedure every 30 days, but most TV owners find that excessive, and might only do one when (a) there's an evident color convergence problem in any part of the picture, or (b) once every 3-6 months.

How-to video: www.youtube.com/watch?v=esk4nYZKFcg
how-to instructions: www.ehow.com/how_2034880_perform-convergence--tv.html


cost to you: $zero
.

If the convergence amp board is bad, cost for a service call would be $300 (USD) plus $100 for a new board plus 50% markup on parts = about $450 (USD)
Cost to order a new board online: about $100 (USD) + shipping + sales tax.
Alternatively, if you can solder/desolder STK's (Power Amplifier Integrated Circuits), one can repair a convergence amp board for as little as $30 (USD) or so.

Dec 04, 2011 | Sony Televison & Video

1 Answer

What does it mean when you get a error code 5 when you are doing the magic focus?


Mean ur tv convergence board it is dead,any codes error at all,mean the tv convergence board have components it is dead and the board it just dosen't conververt it three CRTS tv colors Tubes like R,G,B colors lines yokes anymore.Now.The tv convergence board must have it parts replaced like 2 STK convergence ICS and some or all of it resistors too.After the tv fixed it convergence board,the tv will run the entire Magic Focus function,without any error codes at all.The tvs shops will cost u like $300-350 for parts and labors.

Jul 10, 2011 | Hitachi 53UWX10B 53" Rear Projection...

2 Answers

Mitsubishi WS-55511 convergence problem?


No,need to diagnose.It a 100% convergence problems.Convergence problems very easy diagnose.The picture look like 3D,colors lines don't lines up.Fuzzy,out of focus.Convergence controls don't work to lines up any colors cross.The tech is cheating u if he said cost $125 to diagnose.If u know how to solders u could fix this convergence problems about $100.U can buy a convergence kit at Websites Tv repair World.com,Tvrepairkits.com.The shop everythings fix parts and labors only $300.

Mar 16, 2010 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Color convergance from bottom of screen


PT-47WX53 - Visible Convergence Fault

You need to open the TV. Remove the deflection printed circuit board, access and replace the convergence ICs. Maybe some low ohm resistors are burnt as well. Change those too.

Make sure you do not do any damage to the connections or foil on the printed circuit board. Don't crack the board while breaking loose the ICs.

Also be careful to re-connect all the plugs and the inter-connects between the boards. Don't damage the plugs or connectors. Make sure you put them all back in the correct sockets.

After replacing everything and re-assembling, turn-on and stand back. Look for smoke. If no smoke, look at the picture and see how you have done. Use the auto-convergence if it is available auto-convergence should adjust the convergence grid to an acceptable level. Usually minor touch-up of user's manual convergence adjust screen is all you need to get a good picture. If the customer controls or auto-focus do not work correctly, you have not completed repair.

Do not attempt accessing and fiddling with the service screen unless it is absolutely required.

If there are still problems, get professional service help. Many of the ICs sold by the discount "Shopping Cart" One Stop Kit sites are bogus. They do not work.

Many times consumers buy the New and Improved" IC kits that are offered. Don't even think about it. All low ohm resistors will have to be changed. Many opportunities for damage and misadventure. Your Upgrade kit supplier is re-designing the TV that Panasonic spent millions of dollars perfecting.

Many consumers try to do a convergence repair and TVs become scrap. Check out the TV help blogs, most start with "I installed a set of ICs I purchased on the web, changed resistors as well, Now the TV has a poorer picture than before or it will not start."

If you have no electronics experience or training the chances of success are similar to do-it-yourself brain surgery in a Peruvian jungle with a sharpened arrowhead.

Call local service that knows your Panasonic TV. Ask for price before he comes out. If he won't give a firm estimate for on-site "convergence" repair, call someone else.

Call me in Canada, I'll give you a price.

easyab



Mar 14, 2010 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Unable to perform convergence.


Ur 2 STK convergence ICS,and some or all it resistors are dead.U must know how to solders?Replaced the 2 STK convergence ICS and some or all it resistors,will auto focus ur convergence back to normal buy itself.Tries websites like Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

Mar 10, 2010 | Sony KP-57WV700 57" Rear Projection HDTV

1 Answer

Color convergence messed up


you can get the convergence repair kit for your model that has both convergence IC and the six feed resistors at this link, The repair kit also has step by step instructions with pictures so you can do the repair your self. Heres the link.The 50H82 kit is the same for the 57H82, http://servicemanuals.vstore.ca/product_info.php/pName/toshiba-50h71--50h81-convergence-repair-kit/cName/convergence-repair-kits

Feb 01, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Won't do HD, red for majic focus does not shift.


you need to replace both STK392-120 Convergence Ics. You can get replacement Ics at the following link and they provide free installation instructions so you can do the repair your self. Heres the link
http://servicemanuals.vstore.ca/

Jan 19, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Convergence problem with TV Pojection Sony KDP65WS550


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 projeciton 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 photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Oct 08, 2008 | Sony Grand WEGA KF60XBR800 60" Rear...

1 Answer

Can't correct green convergence


need to replace both Convergence ICs number STK392-110 you can het replacements here and they provide free instalation instructions and free on line tech support so you can do the repair yourself. heres the link.
http://servicemanuals.vstore.ca/

Apr 16, 2008 | Panasonic PT-53WX42 53" Rear Projection...

2 Answers

Picture issues, not sure what the problem is, photos posted


It looks to me like the green is sagging down at the top, and this means that one of your convergence IC's has stopped working. Instead of replacing the whole module, locate the convergence IC (Samsung typically uses the STK392-040 IC's) that handles Green Vertical (GV) and replace it. Sometimes there is a fuse next to the IC that looks like a small resistor that opens up too. If you do not have experience changing convergence than have a qualified tech handle it for you.

Jul 03, 2007 | Samsung HCM4215W 42" Rear Projection...

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