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7 Nov 2015 — How to fix TV main board with usb firmware update software guide - YouTube. This content isn't available. YouTube·TampaTec

: Firmware packages like this one allow the TV to work with specific remote controls and display the correct brand logo upon startup. Technical Implementation Process 7 Nov 2015 — How to fix TV

: If the TV is completely unresponsive, a programmer tool (like the RT809H ) is used to write the software directly to the motherboard via the VGA or HDMI port. 7 Nov 2015 — How to fix TV