Black screen, with slow flashing white LED. I have this exact issue, I have replaced all boards, Main video, power board, and T-conn, but i'm now stuck where this question left off. Black screen, with slow flashing white LED. My tv is the XBR65x850C, but having the exact same issue. Tried to update via USB with latest firmware from sony website,
Unplug the power cord from the TV. Wait at least 60 minutes. Press and hold the power button on the TV for 60 seconds. Keep holding the power button while plugging back in, and for another 60 seconds after. When plugging in, go directly to the wall outlet, bypassing any power strips or surge protectors.
LED TV screen has no light and no picture, but the sound is fine, how to repair LCD TV or LED TV LED Backlight Driver Circuit in this situation. LED TV Repai
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Answer (1 of 2): Too many options ranging from a back light issue to severe electronic problems. for the novice it is best to have it repaired by a specialist.
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led tv backlight problem solution
