Question about Samsung PCN5425R 54" Rear Projection Television

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Samsung PCN5425R 54 in. Rear Projection

I had a convergence problem so a tech came in and replaced both convergence ICs and another part on the board. The green red convergence is perfect, but there is no blue present. When you try the manual blue convergence no blue cross shows. I can pull the blue connection, and the picture does not change. An y suggestions?

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  • djron64 Dec 19, 2007

    My model number is pcn5425r. I have a red convergence issue. It will not move at all. The red is about 2 inches to the right of the blue.

  • ksherer Jan 02, 2008

    I have replaced the convergence board but cannot get into to service mode to adjust.




    mute 1-8-2 gets me into a service mode but the convergence adjustments do nothing
    I have read about a mute 1-8-2 to get the cross hairs to line up but they do not show up.  What am I doing wrong?


    When in the regular remote manual convergence mode, the cross hairs won't move at all.  HELP PLEASE

  • Kenneth Sullivan Apr 13, 2008

    Hi My Name is Bliss, My model number is pcn5425r. I have a red convergence issue. It will not move at all. The red is about 2 inches to the right of the green and i do not see the blue

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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

Posted on Jan 31, 2008

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2 Answers

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...

2 Answers

Another Question Please.


Horizontal lines can be cause by many things. One of which is the convergence module. $130.00 is a little high for something that can be caused by other things as well.

Jun 17, 2007 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Problem with my Samsung PCN5425R 54 in. projection. I am seeing double and pictured is bowed and I see red and green colors on the screen. Is this the convergence board. Is this difficult to fix? I am not...


Your convergence ic’s have failed, this is a common problem with most all projection tv’s, the repair is involved. I suggest in your case calling a local repair shop.

Sep 01, 2009 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Can't figure out the model of my Samsung Rear Projection TV


Most of these issues can be solved by resoldering the convergence ICs. Resolder the convergence ICs first and if it still doesn't work then look for a board. I bet you fix it...

Jan 12, 2009 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Convergence problems


Did you buy the board new or used? It could also be your convergence Ics and not the convergence that is causing the shutdown . The convergence ICs are not located on the convergence Board.

May 21, 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...

1 Answer

Samsung Projection TV -blue colored ghost / color off


try replacing the convergence ICs and also check the resistors that power them. This is a common fault with all projection TVs.

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

1 Answer

Samsung 54" Rear Projection Convergence Problem model PCN5425r


You can get the manual at the following link and they will email it instantly as soon as you complete your order.
http://servicemanuals.vstore.ca/

Mar 09, 2008 | Samsung PCN5425R 54" Rear Projection...

1 Answer

My 54" PCN5425R TV will not turn on


You will need to locate the convergence amp IC's, the STK392-040, and replace both of them. The originals IC's can be ordered here http://www.mcminone.com/search.asp?keyword=STK392-040&btnSubmit.x=4&btnSubmit.y=6 Good Luck

Jul 25, 2007 | Samsung PCN5425R 54" Rear Projection...

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