Question about Panasonic PT-53WX53 53" Rear Projection HDTV-Ready Television

1 Answer

Convergence rainbow problem

Hello would this be the stk392-110 chips and how much am i lokking at too replace them..and can i just replace them and then the tv works?
thanks

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  • Rob McCutcheon
    Rob McCutcheon May 28, 2008



    Convergence service

    HOW DO I GET IN TO THE CONVERGENCE SERVICE MODE NOW THAT I HAVE REPLACED THE IC`S?

    THANKS

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1 Answer

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  • Panasonic Master
  • 8,617 Answers

Yes the STK392-110 ICs are no doubt whats causeing the convergence problem you can get both repalcement ICs at the following link and they provide free instalation instructions with pictures so you can do the job yourself. Heres the link
http://servicemanuals.vstore.ca/

Posted on May 12, 2008

  • Sonny Berry
    Sonny Berry May 29, 2008

    heres how to get into the service menu. the convergence settings are under the picture settings once in the service menu.




    1. TV turned on.
    2. Select 'Setup' icon.
    3. Select 'Cable' mode.
    4. Select 'Timer' icon and set 'Sleep timer' for 30 minutes.
    5. Press 'Action' twice to exit menus.
    6. Tune to Channel '124'.
    7. Adjust 'Volume' to zero (0).
    8. Press 'Volume down' On TV a red CHK appears in upper corner.

    You are now in the Adjustment mode

    You will be presented with a category choices.
    B Picture
    C Cut off
    D Deflection
    P PIP
    S Options
    X Comb Filter
    9. Use the 'Power' on the Remote to select which category.
    10. Use the 'Channel up or down' to select the item.
    11. Write down the old value of the item before changing.
    12. Use the 'Volume up or down' to change the data.
    13. When you have made all the adjustments you want press 'Power' and 'Action' On TV for 3
    seconds.

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1 Answer

I have rainbow colouring on the top half of the screen ?


you need to auto converge it different manufactors
call it something different but the implimentation is the same -magic focus,auto focus, etc can't remember what it's called on samsung but it's there in the menu or on the front of the unit. if this doesn't correct the image the convergence chips need replacment

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This sounds like a convergence circuit problem. Your set has two convergence IC chips (integrated circuit). One is for the red CRT, the other is for the blue CRT. This is a common issue with projection TVs. It is not a difficult repair if you have any experience with electronics and soldering. Both convergence ICs should be replaced at the same time. The part is IC (STK394-160E) and is available for around $36 or less. If you have a shop fix this they will likely charge $300-$400. If this information was helpful or if you would like to know how to do this repair in more detail post back on this thread. I would be happy to walk you through it.

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Convergence issues


Your TV most likely has a convergence failure. ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • 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.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.jpg
Here is a quick test....

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

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

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

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

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1 Answer

Sometimes I get a rainbow on the bottom of the screen.


Your TV most likely has a convergence failure. ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • 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.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.jpg
Here is a quick test....

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

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

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

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

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1 Answer

Tv has three rainbows on top of screen and picture looks funny


hello it sound like you've got convergance trouble have you tryed convergance setting if so and this hasn't worked the you will have to change the convergance chips get an engineer to give you quote it's a big job trust me i've done a couple myself all the best

shaun

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1 Answer

Kp-46wt500 shadow and slanted images with rainbow colors


Here are some of the most common symptoms and example photos of a convergence problem

  • 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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

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1 Answer

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If Convergence on setup dosen't work, And you think its not STK Convergence chips!, Then "Yes" It more then likely will have a few open Resistors!... (Near STK chips)

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1 Answer

Bent picture


Not sure if you fixed your problem already. But the answer is a color convergence problem. You can try adjusting manually via the remote and if that doesn't work it is most likely the two main IC chips that control the color convergeance. It is also possible that not only the IC chips have gone bad but also there are a couple of resistors that usually burn out with the ICs as well. They will need to be replaced. This isn't something that I would attempt on your own. Typically a TV technician will charge between 300 and 400 to fix at your house.

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1 Answer

Rainbow circle in middle of my tv


Start bt realigning the convergence by using the auto focus switch. If this doen;t work, you may have a bad convergence chip. Good Luck
Ed
NC Electronic
Mills, Wyoming

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