Hello, I'm looking for some help on fixing my parents-in-law's tv. The tv is a Sharp LC-60EQ10U. They said that the display had dark horizontal bars that were spaced a few inches apart (I don't have pictures of this display issue). The tv would not respond to the remote or tv power buttons and was eventually shut off by pulling the power cord. The tv display would not turn on and an error flashing code started on the front of the tv with 3 long flashes and 1 short flash.
So far I've tried replacing the main board and a t-con board purchased off of ebay with no change in the tv. I also removed the ribbon cables from the t-con board and the backlight came on. When I removed the left two ribbon cables from the t-con board, the screen showed a white screen on the side with the removed ribbons and a picture on the other half of the screen. When I removed only the far left ribbon cable from the t-con board, the screen showed thin colored vertical lines on the side with the removed ribbon cable and a picture on the other half. I've tried to look at the side tabs, but there is nothing connected to the side tabs on the tv that I've been able to find, only the tabs on the bottom of the lcd panel.
Any suggestions of what to try next? Any help/suggestions would be greatly appreciated. Thank you.
So far I've tried replacing the main board and a t-con board purchased off of ebay with no change in the tv. I also removed the ribbon cables from the t-con board and the backlight came on. When I removed the left two ribbon cables from the t-con board, the screen showed a white screen on the side with the removed ribbons and a picture on the other half of the screen. When I removed only the far left ribbon cable from the t-con board, the screen showed thin colored vertical lines on the side with the removed ribbon cable and a picture on the other half. I've tried to look at the side tabs, but there is nothing connected to the side tabs on the tv that I've been able to find, only the tabs on the bottom of the lcd panel.
Any suggestions of what to try next? Any help/suggestions would be greatly appreciated. Thank you.
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