OK, thanks. Just wanted to make sure it was truly a display swap and nothing else. Let's just replace it.
Send an email to support@adafruit.com with a link to this thread and your order number and they can send you a replacement TFT display.
Re: TFT LCD backlight not turning on (order no: 2388265-6745
Re: TFT LCD backlight not turning on (order no: 2388265-6745
Re: TFT LCD backlight not turning on (order no: 2388265-6745