Check the onboard fuse and standby voltage (usually 5V or 12V).
The TV gets stuck on the initial logo screen. tpmt5522pc821 firmware
Comprehensive Guide to TPMT5522PC821 Firmware and Setup The TP.MT5522.PC821 Check the onboard fuse and standby voltage (usually
If you encounter hardware-level faults after a firmware flash, consult professional resources for LED TV motherboard troubleshooting . tpmt5522pc821 firmware