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

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HC-P4752W problem Hi, I am having the same TV and have out of focus issues on the left half of the screen. I am hoping that its the convergence issue. Do you have the sservice repair manual for this TV, if so can you email me @ ssreddy20@gmaildotcom. That would be a great help. Thanks in advvance!!!

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Hi there,

I had a very simular problem and I managed to arrange it yesterday. Try and check the capacitors in the power supply. I found 2 capactors which I replaced and the picture improved alot. Also the convergence improved alot.

Give it a try.

Posted on Nov 04, 2008

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I have a Samsung HC-P4752W and see yellow and bllue halos.


Have you tried to use the convergence function on the TV? If that has not fixed this issue then you have bad convergence IC chips. These chips are microprocessors that align the blue and red tubes with the green (which is stationary). This converges the three tubes to create the image that you see. Failure of these chips (usually from heat over time) is a common problem with projection  TVs. The chips are not very expensive; from $35-60 for the pair. Replacing them involves some tedious desoldering of the old ones and soldering in the new ones. If you have some experience with electronics and soldering it is not hard. Shops will charge $300 and up for this repair. If you want to do it your self post a comment bnack here and I can assist you further.

Dec 05, 2009 | Samsung HC-P4752W 47" Rear Projection...

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Convergence issue with samsung HCP4752W


When you change the convergence board you must do a complete factory alignment. If you have never done this, do not attempt it, call a svc. co. You won,t regret it. Just curious, why didn't you repair the original?

Mar 23, 2009 | Samsung HC-P4752W 47" Rear Projection...

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Double vision


My television is a hc-p4752w and the color convergence is way off. The red and green are not together and curl away from the top of the screen and bottom too. I tried to auto focus with only making the color separation worse. The tv is about four years old with lots of play time...
I am a aircraft mechanic with some electronics training so I don't mind replacing components I just don't know where to start and have no troubleshooting manual for help. Any help would be greatly appreciated!!!!

Jun 28, 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...

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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

Check Factory Data after fixing convergence and resistors


Plugs on the chassis coming from keyboard and side video input are switched (they have same plug)
redoo convergence save and auto focus in factory mode after switching plugs

May 02, 2008 | Samsung HC-P4752W 47" Rear Projection...

2 Answers

Now What???


I want to get this straight are you saying that you cant align them
and this is your focus problem or you have two problems that you cant get the convergence and the focus?

it might have been easier just to have the board replaced...
Samsung parts for convergance problem
http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx

Jan 28, 2008 | Samsung HC-P4752W 47" Rear Projection...

2 Answers

Convergence and self focus probs


Need all the facts for research = what board part # was replaced ? cost ? Do you have original board ? Was work done in your presence ? total cost ? Help me so I can help you.....T.

Nov 05, 2007 | Samsung HC-P4752W 47" Rear Projection...

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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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