Question about Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television

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Samsung convergence yoke?

Hi Slinte,
Thanks for your reply. (http://www.fixya.com/support/t674605-samsung_hc_p4752w_turn_flash) I have no experience with repairing TV's. Where can I find the convergence yoke. Is there a document that shows which part is where?
Thanks a lot
Umut

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  • Samsung Master
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The convergence yoke is the item on the neck of the picture tube closest to the circuit board which plugs into the very end of the tube. You can get a service manual for your model at the following link that will identify all the parts as well as troubleshooting and part numbers.
http://servicemanuals.vstore.ca/

Posted on Sep 04, 2008

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Hi-I have a 46'' '04 model hc-4752w set-yellow&blue ghosts-told replace conv.bd-anything to try less intrusive or $ ?-thanks-peter


Have you used 'perfect focus' with no improvement?
Are all colors present and correct (other than the convergence)?
If so then convergence ICs are the culprit.
Replace them both.
Yours are Sanyo STK394-250. ($14.51 each at mcmelectronics.com)
Do you have any experience soldering or working on electronics? If you do it is a fairly straightforward repair. There are many online resources to assist you.
I did one of these a week ago.
If I can be of further help post back here.

Dec 08, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

SAMSUNG HC-P4752W 47


There are three main reasons that convergence can still be inoperable after replacing the convergence amps. One, when the amps failed they blew the fuses protecting the power supply from shorts. Two, when the amps failed the yoke return biasing resistors burned open. And Three the Digital Convergence Unit has failed. Once things have gotten to this point it is usually time to have a professional have a look at the set.

Jun 02, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Convergence problem Samsung HC-P4752W


check the 3.9 ohm resistors as well as some of them may be open also

Mar 28, 2009 | Samsung HC-P4752W 47" Rear Projection...

4 Answers

Samsung HC P4752W Won't turn on, flash


Unplug the 3 wires that go to the convergence yoke and see if your set will power on, then let me know.

Jun 16, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Convergence issues


Yes the HC-P4252W and the HC-P4752W are both P59A chassis so they both use the two STK392-010 Convergence amp iCs that are located on the sub deflection board

May 12, 2008 | Samsung PCL545R 54" Rear Projection...

1 Answer

Convergence issues


if youre having convergence issues with your samsung HC-P4752W you need to replace both convergence ICs numbers STK392-010 they are available at the following link and they provide free instalation instructions with pics so you can do the repair your self and they also give free tech support in case you need extra help. Its an easy repair takes about an hour from start to finish, Changing the convergence board wont help as the Convergence ICs are located on the sub deflection board and thats about 400 to replace the board compared to 50 to replace the ICs. Heres the link.
http://servicemanuals.vstore.ca/

May 12, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Samsung hc-p4752w


Sounds like convergence amp ic's
i dont have any part number for that model.
Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=
good luck
please mark the post with a fixya

Mar 14, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

My screen have some red lines


Sounds like convergence amp ic's
i dont have any part number for that model.
Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=
good luck
please mark the post with a fixya

Mar 11, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

HC-P4752W


http://www.partstore.com/Part/Samsung/Samsung/

Mar 05, 2008 | Samsung HC-P4752W 47" Rear Projection...

2 Answers

Samsung HC-P4752W Blurry ONLY on HD Channels


Similar problem, then about 2 weeks later the SD convergence went out. Changes convergence Amps,,, Now I'm trying to learn what 2 red flashes mean now when I try to power it up,,, it flashes twice then shut down into standby mode,,, I got no picture after installing STK392-040 chips, thinking about trying another set as atleast I had blury picture before. No solder shorts of opens that I can find. TV has always been a pain,,, locking up once in a while such that you can't change modes,,,

Jul 22, 2007 | Samsung HC-P4752W 47" Rear Projection...

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