TBC2: blank screen or no video after firmware
TBC2 only. Other Gen3 modules use different update paths.
Blank OLED (failed flash or after reset)
- FAT32 microSD ≤16 GB.
- TBC2 downloads: unzip latest firmware, copy
BOOT.binto the card root. - Power off, insert card, hold Boot from SD (top button on rear PCB), power on, release after boot.
- System → Update Firmware → Confirm, then power-cycle.
If the OLED stays blank, repeat the boot-from-SD power-up a few times before emailing support.
No picture after a successful update
Power-cycle. Check sync wiring: ESG3 rear sync out → TBC2 rear sync in → rest of chain (TBC2 manual). If flash was interrupted, repeat the BOOT.bin procedure above.
support@lzxindustries.net: serial, firmware zip version used (e.g. tbc2-firmware_1.1.0.zip), rack photo. Helpdesk: tags tbc2 firmware.