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

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Bought a convergence repair kit for my Samsung HCP-4752W DLP...ICs are replaced and I'm ready to refit the board back in the unit...the kit came with two 3 amp pico fuses...I can not see any similar looking fuses anywhere near the heat sinks upon which the ICs are fixed...does this unit even have pico fuses near the heat sinks? The board is BP41-00070A... Love to know before I put things back together... Thanks so much, Tim

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Daniel Morales

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Hola tengo en mi taller un televisor samsumg modelo hc p4752w que en la pantalla presenta una imagen no llena y tipo obalada de los lados le falta voltaje como del horizontal y revice y no encuentro el problema alguna sugerencia por favor muchas gracias

Posted on Oct 08, 2012

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ladywinn

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Pico Fuses are either Green or Yellow ,they are in many different circuits near STKs,and Startup Power Supply boards.
Encompass Parts Distribution sells Parts and Boards for this Model.
Most of the time their is 2 resistors that need to be replaced 3.9ohms located in front of ICs.
First just replace the ICs ,you might not need to do anything else.

Posted on Jan 23, 2011

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1 Answer

Cant adjust the convergence in menu colors look ghost,3d looking


You will need to replace the two convergence ICs and then check and possibly replace the pico fuses on the D board and G board. The Sony number one convergence repair kit available from www.tvrepairworld.com is the correct kit for your model. The kit contains both ICs and the 8 pico fuses plus the CD with detailed repair instructions.

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How can I find a "convergence circuit" for my 8 year old 60 in Phillips projection TV? Could I install it myself or would I need to hire an expert to do the work?


There are no a whole DLP tv model Philip convergence board out there to buy.U only can buy a convergence kit,came in parts like 2 STK convergence ICS and some or all of it resistors parts for sale.Hire a shop to fix ur DLP tv convergence board.They'll charge u like $300-350 for parts and labors.

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Adjusting color,to much red and green


Reset the colors back to factory setting,that still a problems? Ur tv convergence are dead.U know how to solders?Must replaced 2 STK convergence ICS and some or all it resistors.Tries websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

Apr 17, 2010 | Samsung HL-R4264W 42" DLP HDTV

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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...

2 Answers

I have a ghosting problem everything else is good


Ur convergence it dead,must replaced convergence ics.resistors so..Buy a convergence kit,use what in that kit,u know how to solder right?Tries Tv repair World.com,Ebay.com or Repair kits,for this convergence kits,most of the DLP tvs with this prob.

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Samsung hcp-4752w


With power on, press Mute-1-8-3. That will get you into convergence mode. 1 sets factory default convergence. Avoid pressing 2 - it resets everything. 3 restores the last saved settings, 4 switches among fine adjust, line adjust and grid move. 7,8,9 - select R,G,B. The three keys below those turn RBG on/off.

Self-focus to save the settings. S-Mode to exit.

It can be a REAL headache, but take your time, and you'll get it done.

As an after thought....if you have a need to manually adjust the convergence, you probably have something wrong - unless you've just replaced parts and are doing the initial convergence.

Dec 02, 2008 | Samsung HC-P4752W 47" 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...

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