: Typically 36-40.8V with a current draw of roughly 600mA.
Your previous parameters may be reset to factory defaults after the . Restore your backup using Startdrive: “Device configuration” → “Upload” from file. 3rt841b firmware upd
Format a USB drive to FAT32 and copy the firmware file to the root directory. Installation: Unplug the TV from power. Insert the USB drive into the TV's USB port. Press and hold the Power Button on the TV (not the remote). Plug the TV back in while holding the button. : Typically 36-40