Repair guides and support for televisions manufactured by Sony.

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I changed my main board blinks 47 times

I changed my main board and I have the same issue on my xbr-55x850c. It blinks between the green and orange in a set of 47 times

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Thank you. I’ll try it and see how it goes. @oldturkey03


@oldturkey03 i forgot to add, before I changed the main board I was receiving 6 red blinking lights.


I had the old main board installed. I have a new power board because my other one broke and I just got a new tcon board. When I was done installing the tcon board it was blinking orange and green so I reinstalled the software. It turned on with the blinking solid red, green, blue, white and horizontal colors of all three. If I click the up and down arrow I can hear clicking like the screen responding. @oldturkey03


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Okay, you should check your power board and /or your T-con board before just replacing the main board.

Update (02/25/2018)

Okay the 6 blinks are related to a backlight error, not a main board error. Follow this flowchart to see where the error might be.

Block Image

If you have any difficulty with the boards or where and what to measure, post some images with your question of your boards and how they are mounted on your TV. That way we can see what you see. Use this guide Adding images to an existing question for that.

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Thank you so much! @oldturkey03 i followed the diagram. It was the tcon board for sure. I just formatted a usb drive plugged it in, out my old main board back in and now I don’t have red blinks or green and orange blinks lol thank you


I’m getting a red, green, blue screen on the tv itself after I changed the board. How do I get out of that mode if you know? @oldturkey03


Christabel Agyapong the screen displays the colors? Are they solid colors? I am confused about the USB drive? You installed different firmware? You replaced your mainboard with the old mainboard? what happens when you use the new main board? what did you do about the possible T-con board?


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Christabel Agyapong will be eternally grateful.
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