Question about Hitachi 57F500 57" Rear Projection HDTV-Ready Television

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Picture is showing double in red and green

Directv rep was unable to resolve problem of double pictures showing in red & green. Suggested that we contact tech for the tv. Hitachi tv,big screen HD, model #57F500. Purchased in 2003 or 2004.

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  • monroeburger Jun 17, 2009

    Not sure you are familiar with this tv. I thought that once the tv was described, you would know more about it. I called a service tech and found that the parts that you recommended are obsolete, and no longer available. Guess I was disappointed in your response since I was hoping to get someone who was more savvy about this tv which is not that old. The Tech said it might be better just to purchase another tv because it might be costly to try to repair.

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Hi,
Convergence out ICs are bad in your Hitachi 57F500 TV and you need to replace 2 ICs on main board that has number STK394-160 written on it and these are mounted on big silver heat sink.
Required Convergence Out ICs are available in Part Store for $36 each. Click Part Store to see an image of IC and price info.
If you need schematics of TV that is also available in Manual Zone for small fee.
Let me know further query, if any.
Thanks.

Posted on Jun 18, 2009

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Is it a plasma or LCD? Is it a tube type of tv? if it is a tube type then the problem lies in the video amplifier. This is the one responsible for amplifying the signals (namely the colors) to be viewd on the screen. So basically the problem is that the blue signal is weak therefore being overpowered by the red and green colors. To remedy this problem, get the technician to change the video amp or the electron gun. Godbless.

Posted on Jun 17, 2009

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Posted on Jan 02, 2017

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http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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