Samsung HCN473W 47" Rear Projection Television Logo

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Question about Samsung HCN473W 47" Rear Projection Television

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Double Vision My 47" Samsung recently starting having somewhat of a double vision - almost like a shadow of the original picture. The shadow has a blue tint to it. Any ideas on what this could be?

Posted by Monica O'Brien on

  • Anonymous Jan 05, 2008

    Same issue here, Its like the blue is out of focus (drifts down on the left side of the screen).

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Anonymous

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  • Master
  • 3,130 Answers

Unfortunately, the complete convergence amp board is no longer available from Samsung. But the board is available from ptscorp.com. Go to the website, get the telephone number, ask them what convergence Amp board you need and if they have it. If you know how to solder and unsolder, you can simply change the convergence amp IC's, on the main convergence board. The IC number if the IC's is STK392-040 Good Luck.

Posted on Jun 16, 2007

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Tmtmail.co.ukmy samsung projection tv has double vision and i dont know how to amend the lens can yu please help thank you

double vision in a rear projection tv has several reasons. one is convergence magnets are out of tune. u need to tune them which is back side of picture tubes. u please observe that which color is producing the double vision. the lens are firmly fixed & therefore need not to adjust. other option is to adjust the convergence of tv by going to service mode by remote.
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replaced convergence IC.what is the model#?
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yes the convergence problem leaves a shadow of red or blue like an outline around the picture, sometimes part of the screen some times the entire screen.
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you need to replace both convergence ICs they are STK392-110 you can get replacment ICs at the following link with free instalation intructions with pictures. Here is the link.
http://servicemanuals.vstore.ca/
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Double vision

Replace both the convergence ICs STK392-110 You can get new Convergence ICs at this link and they provide free installation instructions with pictures so you can do the repair yourself. heres the link.
http://servicemanuals.vstore.ca/
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Double vision on my samsung HDTV 1080i

If one or more of the colors, red, green or blue have separated from each other and you can`t correct the problem using the convergence procedure as described in the users manual, that would indicate you have a convergence problem. Bad solder connections on the convergence output chips are common. If the set had a rough ride down the stairs while moving, that may have facilitated in exposing a preexisting condition. However, the most likely cause is the natural failure of one of the convergence output chips and or related components and not the move. The fix is to have a qualified technician address the problem. This is not a do it yourself job.
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Double vision on my samsung HDTV 1080i

Replace the convergence ICs. you will need two of them. They are located on a large aluminum heat sink with STK numbers. They cost about 10.00 each. They need to be soldered in. Its an easy repair if you can solder. Let me know if you need any additional info.
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It sounds like you may have a loose solder connection either in the convergence circuit or the pincushion correction circuit. If you can't visually locate it, you may need a service manual and test equipment to track it down. I doubt that changing parts will be the cure if it is an intermittent problem.
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