Question about Samsung PCN5425R 54" Rear Projection Television

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PCN5425R Hello, I was reading an old post and recently replaced my convergence board due to the fact that the red was off. The board helped and made the picture a lot better but the perfect focus option does not get past 37% and I cannot make the red lined up perfect and it remains off. How do I preform a convergence service alignment or is this the same as manual convergence. after you replace the convergence . you'll need to perform a convergence service alingment . let me now when you are at that point, to help you out with more instructions if you need them , have a good day!

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  • zmaton Jun 09, 2008

    the red colring is not aligned right on the screen. I've tried to align the red in the convergence adjustments,but it does not work. Does something need to be replaced?

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  • Samsung Master
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Sounds like the digital convergence controls is possibly the item giving you the problem, if you have already changed the convergence board. You can get a used digital convergence board at the following link, just leave them a email and state your model number and what your needing.
http://servicemanuals.vstore.ca/

Posted on Jun 11, 2008

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I have a Samsung Model PCN5425R Rear Projection TV. When I try to set the convergence, the red will not move whatever I do, but the blue works fine.


If it is rear projection set it uses either two of the STK-392-020 OR STK-392-040 CHIPS FOR CONVERGENCE OUTPUT.

BOTH WILL HAVE TO BE REPLACED; NOTE THAT THESE SETS ALSO HAVE "PICO" FUSES ON THE BOARD FOR EACH CHIP--no movement means one of the fuses is blown because the chip shorted.

This can be a do it yourself repair if you are handy; total parts cost if the parts purchased on Ebay is under 30 dollars.

Let me know if I can assist you and if you have any questions reply to the posting here.


REGARDS, SD TECH

Aug 10, 2010 | Samsung PCN5425R 54" Rear Projection...

1 Answer

After replacing convergence board, now tv will turn itself off when I try to manually adjust the convergence Red cant seem to get it to move, samsung pcn5425r proj tv, is there something else I need to do...


You probably also have a bad digital convergence box. I have a tip at http://www.fixya.com/support/r4273935-replace_digital_convergence_box which explains how to fix the problem and where to get the parts. Let me know if you need more help. Thanks for using FixYa and for the generous rating.

hardrocko

May 09, 2010 | 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...

1 Answer

Convergence problems with Samsung PCN5425R.


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.

Mar 30, 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

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...

2 Answers

Convergence problem or??


Yes it has power supply and convergence problem let me know if you need help with part # s or how to fix it

Jun 23, 2007 | Samsung PCN5425R 54" Rear Projection...

1 Answer

How do I replace the convergence board in this unit?


Yes the board can be replaced, but you may also need to do some touchup alighnment to the convergence, and maybe need to reprogram the magic focus or whatever the ato convergence is called on your set, if it has that feature, Good Luck

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

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