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The original was posted on /r/nordictrackandroid by /u/jfcurran on 2023-07-03 00:11:56+00:00.

I have a tablet from a 1750 and have been trying to determine whether the screen or motherboard is dead. So I have disassembled the tablet and have been searching for clues. The other night, I connected a regular USB cable to the “OTG” port and booted the tablet.

As usual, the display remained completely dark (no backlight, no evidence of display with a flashlight). However, while connected via the USB cable, a terminal emulator observed the word “READY” being repeated a few dozen times after power-on. This was at 19200 baud. Maybe this is common knowledge but I thought I’d mention it.

My theory is that this is the tablet’s way of starting a conversation with the control board. I actually have a control board and might test this out.

Now I’m pretty sure the LCD is dead and remain hopeful that someone will help identify the make/model of LCD so I can replace it. Ideally I can fix the tablet and experiment with it while not risking my working treadmill.

Jim