Chosen Solution

Hi — I have a Sony Bravia KDL-46XBR2 TV that has been displaying a green vertical line down the left-center of the screen. While the line doesn’t prevent viewing it is annoying and I would like to get it fixed. After some research, I understand that this is a symptom of a bad t-con board. So, I hopped on the Interwebs and order a “refurbished” one from a reputable Web site. The T-Con Board number is 460HSC6LV1.5. Problem is, when that “refurbished” board was installed the TV powers on (indicated by green light and lite Sony emblem around bezel), but I got no picture at all. I called the company and they issued a replacement. But, the replacement has the same issue - TV powers on, but I get no picture at all. Could it be two boards are bad or is there something else at play here? Essentially, to install, I just replaced the board with the “refurbished” one. Is there a step that I’m missing? (Image below shows the line running along the right-side of the menu. It’s one pixel wide.)

(Image below is of the T-Con Board)

Edit on 12/28/18 (Image below is of new T-Con Board)

markfredriksen  re-install your old T-con board and let us know what that does. I have had issues were revised boards did not work the way they should. Your TV has two versions of the T-con board. One is part number LJ94-01448D the other is LJ94-01448E . Make sure that you have the right one for your TV (there should be a sticker on the R side of the T-con board . Also, tell us more about the green line. If this is a thin (one pixel wide or so)line it is usually a TAB error and not a T-con board error. Post some pictures of your boards with your question so that we can see what you see. Adding images to an existing question Update (12/17/2018) markfredriksen post some good pictures of your old T-con board. that way we can check on it for you. A TAB error occurs where the fine ribbon cables actually enter the LCD panel. It is bonded (glued ) onto the contacts to the LCD. This bond may have failed. Push at those cables right above the line and see if it makes a difference. If so you could try to fix it by using some tape to provide some down pressure on the cable.

Update (12/20/2018) identified by the sticker on the board

If you have a green/amber flashing light and no picture at all after installing the refurbished board it means you have to update the firmware because the main board isn’t recognizing the screen. This is easier said than done when you can’t see any menus on the screen so look up instructions on how to do this by USB and it needs to be done with the new board installed.

  1. You may need to factory reset (hold down Vol- and power switches on the TV and then plug into power, release buttons when you see the green LED).
  2. It will take hours because the file is large, do not get impatient and turn it off at the wall because you think nothing is happening.
  3. You may need to try it a couple of times. First turning it on at the wall and then inserting USB and then try power on with USB inserted. Or Factory reset and add USB or Factory reset with USB in. I can’t recall which worked for me so try them in turn and each time leave it for hours or overnight. Eventually you will come back to a rebooted TV!