@angel39571 we need to know the exact model and need to see those boards. Take some good pictures and post those with your Question. That will allow us the see what you see. [guide|21499]
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This "The screen is dark blue almost black" sounds like you backlight turns on. Backlight on, sound available could be a main board issue. Change your video input source and your cable if you are using HDMI. See if your TV works with different inputs. If so, it's your main board. If not, then it is possible that you are having T-con board or panel issue. For now, we'll just have to see more. You will need a multimeter to work on it.
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This "The screen is dark blue almost black" sounds like your backlight turns on. Backlight on, sound available could be a main board issue. Change your video input source and your cable if you are using HDMI. See if your TV works with different inputs. If so, it's your main board. If not, then it is possible that you are having T-con circuitry on the mainboard or panel issue. For now, we'll just have to see more. You will need a multimeter to work on it.
@angel39571 we need to know the exact model and need to see those boards. Take some good pictures and post those with your Question. That will allow us the see what you see. [guide|21499]
This "The screen is dark blue almost black" sounds like you backlight turns on. Backlight on, sound available could be a main board issue. Change your video input source and your cable if you are using HDMI. See if your TV works with different inputs. If so, it's your main board. If not, then it is possible that you are having T-con board or panel issue. For now, we'll just have to see more. You will need a multimeter to work on it.