Question about Samsung HCM4216W 42" Rear Projection Television

1 Answer

RED CONVERGENCE PROBLEM

THE RED CONVERGENCE HAS JUMPED OUT TO THE RIGHT AND WILL NOT COME BACK INTO FOCUS. CAN I FIX THIS?

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  • bgoodbody Jul 18, 2008

    The IC's in there are STK392-040. Are the 010's compatible with my TV?

  • bgoodbody Jul 18, 2008

    Thanks for the help I will let you know how it turns out!

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  • Samsung Master
  • 8,617 Answers

You need to replace both convergence iCs STK392-010 you can get replacement ICs at the following link with free instalation instructions with pictures.
http://servicemanuals.vstore.ca/

Posted on Jul 17, 2008

  • Sonny Berry
    Sonny Berry Jul 18, 2008

    Yes the stk392-010 , 392-020 and 392-040 are all interchangeable with each other, however the 040 are the better IC much more durable.

  • Sonny Berry
    Sonny Berry Jul 18, 2008

    Let me know if you need further assistance.

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1 Answer

Our tv looks like a 3d tv. Out of focus


Try to adjust the convergence using the original remote control of your tv, then go to the convergence setting menu, then go to convergence section. You should be able to move the blue and red in any directions right, left and up, down. Or if you cannot move them far enough the convergence chip is defective replacing the bad convergence chip will fix the problem. Feel free to send feed back good day and best regards.

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Philips 50P8341 50 in. Rear Projection Television


normally when something like this happens, we could right away propose what can be done, in your case, since youve already changed a lot of parts on that tv, you can at anytime fix it. the tv alone is not fixed yet as of the moment but to some it up, experts have already given you some ideas on how to fix the tv. cheers. hope youll fix that tv in no time.

Mar 12, 2008 | Philips 50P8341 50" Rear Projection...

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My rear projection tv 51MP392H/17 has a blurred red shadow that makes it look kind of like watching a 3d movie without the glasses. for a while we could turn it off and back on and it would reset the...


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. It still can be repaired.
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 Reply

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. If you have never done this before we would advise calling a technician or if you want to do it yourself get a complete kit with instructions and support from TvRepairKits.com Their kits include a step by step instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.Thanks! hope you rate my response

Feb 02, 2011 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Lookslike the picture is in 3d and when i try ti use magic focus


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 photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.jpg
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 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

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1 Answer

Trying to manually fix color convergence on Toshiba 57H81


The convergence ICs and the six 1.8 ohm 1watt resistors need to be replaced. You can get the convergence repair kit for your model at www.tvrepairworld.com which has the Two Convergence ICs and the six resistors plus the CD with instructions on how to do the repair.

Dec 02, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Convergence red


The only way to fix the problem is to replace the IC's and when you do, replace them with STK392-120 instead of STK392-110. It's not a hard job if you're patient and label everything well (knowing how to solder and unsolder helps alot as well) - Good luck!

Sep 28, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Tv out of focus


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 photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.jpg
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 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

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3 Answers

Hitachi projection tv


Solution:
Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in but stationary.
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence or magic focus 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.
You can get a repair kit that includes all the parts from www.TvRepairKits.com.
They have put together a kit for the Hitachi TV sets.
The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself. Its a fairly easy fix on the Hitachi sets.

Dec 29, 2008 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

Red is out of convergence


You can repair it yourself by replacing both STK392-110 Convergence ICs. You can get replacement ICs at the following link with free instalation instructions . Heres the link.
http://servicemanuals.vstore.ca/

Aug 08, 2008 | Toshiba 65HDX82 65" Rear Projection...

2 Answers

JVC 56TH INC. IArt Rear Projection


If the red is colored outlines or 3d picture then it is a convergence problem.

If convergence is ok, then most likely screen/focus control assembly.


Easyab

Apr 21, 2008 | JVC AV-56WP74 56" Rear Projection...

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