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

1 Answer

Picture blue and yellow ghost, this is the second time this happened, took it in for repair 10 months ago for the same thing.

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  • jrragain Nov 19, 2007

    Same trouble, blue and yellow ghosting. Do I need to have a repair person out or is this something I can fix myself? The problem just started today. Thanks!! jr

  • jrragain Mar 27, 2008

    Posted before - had Sears out to fix; $575.00 to fix!!! After seeing all of the troubles posed online with this TV, I think Samsung should have stepped up and said there was a problem with this set and made things right!! Now I'm stuck with a giant paperweight!!!

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The part replaced is the blue convergence IC, part number usually

STK392-040 .A generic IC will last 10-12 months.You must have

OEM or better quality for durable repair. I use Panasonic brand.

Change both IC's for long repair duration.

Posted on Oct 13, 2007

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Posted on Jan 02, 2017

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1 Answer

My LCD tv screen becomes scrambled on half of the screen with input from a different source and has reddish colors.


Likely another board is bad--GET IT IN FOR REPAIR UNDER WARRANTY BEFORE NO WARRANTY SITUATION

Apr 01, 2012 | Televison & Video

1 Answer

Hi! I am experiencing the following three


Hi Rafael,

First of all thank you for posting your question here at Fixya.
Please confirm if the brand and model number above is correct.
Blinking of the the LED (yellow and blue) at the front panel indicating that the lamp door cover is not seated properly. This cover will engaged to a micro switch giving the signal to the processor, once it is in open position, the unit will not power up and will experienced that kind of blinking error code. Go back to the lamp door cover and ensure that it is properly seat-in.
3D, 2D, red/green/blue ghost on the picture and letters means that the convergence circuitry gone bad. Symptoms is not connected to the light engine. The faulty parts is the convergence chips(IC). This chips are mounted on the large aluminum heat sink and starts with STKXXXX-XX (X means number). The most common STK chips used on Projection TV's is the STK392-110. You have to replaced them both on the board to resolve the issue(red ghosting). It is necessary also to check the resistance value of the resistors around its circuitry using the multimeter. For more info how to repair a convergence problem, watch the video below.




Jdvillanueva

Jan 27, 2012 | Toshiba 62MX195 62" HDTV

1 Answer

Ghosting or a 3D image. A yellow and blue ghosting or shadowing image. Looks much like the top picture in the "picture ghosting image" entry. Is this a convergence problem?


Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.

Aug 09, 2011 | Toshiba 50HX70 50" Rear Projection...

1 Answer

TV picture fades, then shuts off


There are some components in the scan amplifiers, and or the power supply area that have become unstable. This can happen with age and use. It is impossible to make an accurate assessment without actually troubleshooting the set.

You need an experienced TV service tech that is strong on troubleshooting, has the service manuals, and has the proper set-up to work on your set. I would recommend the factory service rather than an independent service tech unless you know for sure that the independent service tech can handle this type of repair.

Considering the age of the model of set that you have, I would be looking at replacing it rather than fixing it. Because of the age of the set the reliability will be decreased.

Jerry G.


Jun 10, 2008 | Samsung TXF2899 28" TV

1 Answer

Blue screen


I would suggest getting another optical block from the repair man. Apparently even some replacement blocks have had issues...


Jun 06, 2008 | Sony KDSR50XBR1 50" Projection HDTV

1 Answer

TV Trouble: Toshiba Flatscreen CRT (Brazilian model: Linha Face)


i suggest if you buy it few months ago that item is under warranty
you to call the toshiba service and try to have changed with another
one or get free service - delfo

Mar 21, 2008 | Televison & Video

1 Answer

Hitachi with blue out of focus or ghost imaging and have tried magic focus many times!


Good Day,
When you turn down the BLUE the TV will give a yellowish picture. That is why the TV has three CRT's, it needs all three colors. The problem most likely lies in the TV's Convergence Circuit. To repair yourself get KIT 10 @ 1-800-458-6053 or www. bdent.com. If not call a Factory Authorized Service Center and have them give a written estimate, avg cost $550.00.
good Luck, big IRISH.

Feb 24, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

43FDX10B working Great until Time Warner installed cable box


try connecting the box to a different input
also try connecting another device (like a VCR) in place of the box to see if the problem exists without the cable box

Jan 13, 2008 | Hitachi FDX Series 43FDX10B 43" Rear...

1 Answer

Hit 53UWX10BA


convergance ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Dec 14, 2007 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Blue shadow


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Nov 25, 2007 | Toshiba 53AX61 53" Rear Projection...

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