Question about Samsung HCL4715W 47" Rear Projection Television

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Replacing Convergence ICs

Is it difficult for a layperson to replace the convergence ICs on the sub board? I have a Samsung HCL4715W 47 in. rear projection TV. We tried replacing the convergence board, but it didn't fix the problem. In trying to perfect focus, we can get the blue aligned, but not the red.

I can order the service manual if it will help, but before I do that, I sort of need to know if this is a problem I can fix without beng an expert. Many thanks!

Posted by K. Viar on

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Sonny Berry

Sonny Berry

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As long as you can solder you should be okay, however i would suggest getting your ICs at the following link because they provide free instalation instructions with pictures on how to remove and replace the Convergence ICs. heres the link.
http://servicemanuals.vstore.ca/

Posted on Jun 06, 2008

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HCL4715W 47 in. Rear Projection Television: My tv has an overlapping picture and the colors ar...
You have a bad convergence board. Replace two of the STK 392-040 ICs. And check all the resistors that are next to these ICs. Rplace the resistors as neccessary. This will repair your TV. Thanks for asking...sorry it took so long to find you!

May 17, 2010 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Have the samsung HCL4715W and have a convergence problem. can someone point out the convergence board part number to this set?
STK ICs they are big black ICs will have Part number on them example STK392-020 also 2 resistors near ICs 2.7ohms most of the time they are Bad Call Mats Electronics for Parts 1-800-628-1118

Dec 17, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Convergence board for a HCL4715W? Which one?
It will be the one that has big black ICs STK394-020 for Parts callMats 1-800-628-1118 also there is 2 resistors 2.7 ohm near STKs replace if Bad.

Sep 25, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

I have a Samsung Rear Projection TV with a red convergence problem. Will replacing the deflection board fix this problem?
No you have 2 convergence ICs replace them if you havent and look for burt resistors near ICs 2.7ohms most of the time 2 of them need to be replaced They are Big Black ICs will have part# on them STK392-020s order parts from Mats 1-800-628-1118

Sep 16, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Hcl4715w samsung
you need to replace both the convergence ICs number STK392-040 you can get new replacement ICs at the link I am posting and they include free instalation instructions with pictures and free tech support. Heres the link.
http://servicemanuals.vstore.ca/

Apr 30, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

How to remove back of Samsung HCL4715W 47 in rear projection TV
the screws are identified by little arrows pointing to the screw holes. However I would be surprised if its the convergence board most times its the Convergence ICs located on the sub board

Apr 22, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Convergence board for Samsung HCL4715w
The Convergence ICs will need to be replaced , 95% of the time thats the problem they are on the sub board not the convergence board. You will need two STK392-040 ICs . you can get replacements at the following link and they will provide free installation instructions along with free on-line tech support when you install them. takes about 45 minutes. Heres the link.
http://servicemanuals.vstore.ca/

Apr 19, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Convergence problem?
The convergence anp ICs are usually what go bad in that unit. They are two ICs both are STK392-040 and they are at board location ICZ103 and IZC103 on the Sub Board attached to large heat sinks. You can get replacements with free installation instructions and free on line tech support at the following link.
http://servicemanuals.vstore.ca/
let me know if you need further assistance.

Apr 10, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Projection tv
A lot of times when the convergence ICs blow, there are also problems with resistors on the board (talking from Hitachi experience), or the board itself.

If the other problems, like blown resistors, are not repaired, the ICs will blow again right away. If the ICs are your only problem, then replacing them may work
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 10, 2008 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Flashing red lines on Samsung hcl4715w rear projection
The convergence board wont correct the problem. You need to replace the two Convergence ICs on the sub board STK392-040 and you will be back to normal. See my response above. That site will help you get it back to normal.

Dec 21, 2007 | Samsung HCL4715W 47" Rear Projection...

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