Question about Samsung PCN5425R 54" Rear Projection Television

1 Answer

Convergence problems with Samsung PCN5425R.

I am having trouble aligning the blue on the convergence menu. I can align the red just fine. I had this problem once before and got a tech in to fix it. $450.00 later it was fixed. I really don't want to do that again. I found a board online I can buy for $75 and put it in myself. Is this the only solution? Or, can can I adjust it through the service menu. I know the code to get to it, I just don't know what any of it means. Any help would be great.

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  • blahsimmons Mar 30, 2008

    This may be a duplicate.......the link would be great. Thanks

  • chwaisath Apr 01, 2008

    My green and red align fine. The blue will not focus/align. I am ignorant about the workings of the rear-projection, and can't point to an event that caused the misalignment, but I'd really like to be able to watch all the colors in the right place again. Any help would be appreciated.





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  • Samsung Master
  • 8,617 Answers

That model has a convergence board, how ever it may not be the conversgence board as the convergence ICs are not on the Convergence board itself, and usually thats what goes wrong are the actual ICs. However this is an easy repair the parts are inexpensive and I can post a link where you can get new ICs and they provide step by step instructions with pictures so you can do the repair your self. Let me know if you would like the link.

Posted on Mar 30, 2008

  • Sonny Berry
    Sonny Berry Mar 30, 2008

    heres the link. Just click on the Convergence IC section

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2 Answers

RED CONVERGENCE SCREEN PATTERN BOWING AND CAN'T ADJUST


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, 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 your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jun 13, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Cannot reset vertical convergance


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, 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 your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 16, 2009 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

Pioneer SD-641HD5 red convergence - not chip problem!


Replace Both of your STKs if they are STK392-110s do not go back with them use STK392-180s better ICs, The 110s fall apart and do not hold up.

Nov 12, 2008 | Pioneer SD-533HD5 53" Rear Projection HDTV

1 Answer

Convergence problem, blue ghosts


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 01, 2008 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Convergence Problem


sounds more like the convergence amp ICs STK392-040 you can get replacements here that comes with instalation instructions.
http://servicemanuals.vstore.ca/

May 22, 2008 | Samsung PCN5425R 54" Rear Projection...

2 Answers

Red convergence way off


Hello,
I had the same issue as you pretty much exactly and so do others right around this last few weeks so I am thinking that this is a common problem with the product itself.

You can fix this pretty quickly with the link below. I bought it and it resolved the issue.

http://www.partstore.com/Part/Samsung/Samsung/PCN5425R/Samsung/Samsung/BP9500142E/New.aspx

Jan 02, 2008 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Samsung PCN5425R 54 in. Rear Projection


Ksherer,

The adjustments that your are trying to make, I do from standard menu. I did not have to enter service mode with mute 1-8-2 to make them. I have same model PCN5425R

Nov 08, 2007 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Samsung BP95-00142E Convergence Board changed still having a problem with the blue color


Actually the TOP Left blue corner cannot be allinged properly thru manual blue convertion.  Red is aligned correctly.

Oct 30, 2007 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Blue horizontal bows/lines


Replace convergence IC's,then check alignment.

Use OEM quality ==I use Panasonic IC's with no call-backs.

T.

Oct 13, 2007 | Samsung PCN5425R 54" Rear Projection...

6 Answers

Tv problem samsung PCN5425R 54 in.


Very easy repair....Just replace the convergence amp board part# BP95-00142E (about $80) It includes both convergence IC's and associated components (Five connectors,one screw,easy access)no soldering...

Sep 20, 2007 | Samsung PCN5425R 54" Rear Projection...

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