Question about Samsung HC-P4363W 43 in. TV/DVD Combo

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Samsung HC-P4363 projection tv vertical lines on screen

This set has two vertical lines on screen just off center. Green on the left and red on the right. Both convergence IC's and support resisters replaced, convergence is very good! Any idea where these lines originate from and what can be done to repaire?
Thank you

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Re: Samsung HC-P4363 projection tv vertical lines on...

Well you should have your adjustment checked,,
then your vertical controll ic. and circuit..

more than likely is an asjustment problem, just open it up and look for the controlls and try adjusting it your self, if your unable to do this take it to a local technician

Posted on Jan 25, 2008

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All lines of convergence is wrong who I can restart adjusments?

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

TV set after fluid change



You can see some more examples and find a fix using this link on Fixya

Apr 04, 2011 | Samsung HC-P4363W 43 in. TV/DVD Combo

1 Answer

After moving tiv up some stairs the picture became double in one corner and three color strips overlapped each other. Anything on that side of the screen shows double with three strips of color, green, red...

Ur tv convergence is dead.Must know how to solders?Buy a convergence kit at Tv Repair, to replaced the convergence ICS and all it resistors.The shop will cost u $300 parts and labors.

Nov 30, 2009 | Samsung HC-P4363W 43 in. TV/DVD Combo

1 Answer

My Samsung HC-p4363w have no pic or sound but the power red light is on

Try pushing the "source" button on remote or on the TV. Wait about 5 seconds, if no picture, push again. Do this at least 6 times or until you get a picture. With each push, the TV will look for cable input, dvd input, etc. until it finds your cable signal.

Also make sure your cable/antenna is hooked up and working.

If that doesn't work, hold down the "enter" button for 10 seconds to reset the tv to original factory settings. Then follow the on-screen menu setup instructions.

-please rate me. Thanks and good luck.

Nov 20, 2009 | Samsung HC-P4363W 43 in. TV/DVD Combo

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My TV is not working! Please help!
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Screen Issue when HD Satellite Receiver is set to 1080i

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never again for a samsung

Nov 03, 2007 | Samsung HC-P4363W 43 in. TV/DVD Combo

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Seperated colors

this is a common problem you have bad solder connections on the convergenc ics solder them back if this does not fix the problem then replace them k

Nov 03, 2007 | Samsung HC-P4363W 43 in. TV/DVD Combo

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Red and Green

A screen drive issue is at hand and will require the help of a shop to get it back up to snuff....accordianman

Sep 11, 2007 | Samsung HC-P4363W 43 in. TV/DVD Combo

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i problem with tv by that icant get pic from tv

Oct 28, 2006 | Samsung HC-P4363W 43 in. TV/DVD Combo

1 Answer


You have a failure in the convergence circuit. To confirm this, go the customer convergence menu where it allows you to move red and blue crosshairs to align the colors. If the crosshairs fail to move then you probably have bad convergence IC's and/or some open resistors next to them. You can identify the convergence IC's as two large black chips mounted on a heat sink with screws. There will be an STK number on them, probably STK392-120 I think on that model (though not sure without the manual in hand). They will both need replacing with the same STK number as the one written on it. You need to check for open resistors too. They will be lined up infront of the IC's in a row and all should be < 5 ohm in value. You need to unplug all three CRT yokes from the convergence PCB when you measure these as you will read the resistance of the yoke and fail to detect an open resistor otherwise. If any need replaced they must be replaced with exactly the same value - they are critical.

Aug 16, 2006 | Samsung HC-P4363W 43 in. TV/DVD Combo

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