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

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Samsung hc-p4752w my projection screen 47 inch TV has messed up on me. the blue color has bowed down from the top of the screen. i have a guy that can fix it, i just need to know what part or parts i need to buy. i am hearing it is the ic convergences. if this is the proplem what part numbers do i need to order? and how many do i need to order? samsung 47 inch projection modle number HC-p4752w date 2004 thanks for your time joshua

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  • ugly fod
    ugly fod Mar 16, 2008

    were are the ic's at?

  • ugly fod
    ugly fod Mar 17, 2008

    now is there two diffrent ics such as on my tv i have a stk392-040 and a stk392-010. are they both supossed to be the same or is it supossed to be diffrent?

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  • Samsung Master
  • 8,617 Answers

Not sure of the part number most use STK392-110 or 120s . You will need to look at the ics in your set they will have the IC numbers stamped on them they will have STKxxx-xxx whatever that number is thats the sanyo part number for those ICs

Posted on Mar 14, 2008

  • Sonny Berry
    Sonny Berry Mar 16, 2008

    they are located on the middle circuit board on a large heat sink on the left side of the board

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2 Answers

Hour glass bowing on the top and bottom of my HCP4752W Samsung


Check the resistors near the ic, and the fuses to the ic's, i bet you will find an open fuse. the fuse will look similar to a resistor without color bands. use a dvm and set it on ohms, with the tv turned off.

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

2 Answers

RED CONVERGENCE SCREEN PATTERN BOWING AND CAN'T ADJUST


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jun 13, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

SAMSUNG HC-P4752W 47" TV Convergence problem


Resistors most likey...look for burnt or discolored resistors near the convergence chips.

Apr 07, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Samsung HC-P4752W 47" projection TV distortion & yellow?


I think you have a fault on the chroma board and on the picture frame board. If you can trace it yourself try these two locations otherwise call out a competant technician. hope this helps.

Sep 30, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

TV problem


It sounds like there is a fault on the chroma panel of some kind.

Jul 23, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Samsung HC-P4752W 47 in. Rear Projection bigscreen TV


You dont have to remove the aluminum heat sink. The ICs are attached with screws and then just unsolder the ICs from the circuit board and then replace the new ics into the pin hole locations after applying heat sink compound onto the back then screww the new ICs to the heat sinks then solder the pins. Very easy repair.

Jun 19, 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

Problem with hc-p4752w


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 HC-P4752W 47" Rear Projection...

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