The screen remains black even though the LEDs are on.
Open your TV and verify that the PCB board reads P75-2841v6.0 (or sometimes v6.1).
Based on community support files, two primary firmware types are available: P75-2841v6.0 Firmware
If colors look strange, locate LVDS TI Mode or Color Depth in the Panel Settings menu and adjust the bit-rate value (typically shifting between 8-bit and 10-bit) until the image looks crisp and natural. Safety Guidelines and Troubleshooting
Once the flashing stops or the TV reboots, remove the USB drive. Technical Maintenance Tips The screen remains black even though the LEDs are on
Telefunken LED32S66T2S Chassis P75-2841V6 www. ... - YoReparo
: The indicator light stays solid red or green but ignores all input from the physical power button or remote controller. - YoReparo : The indicator light stays solid
Hold down the on the TV keypad (or plug the power cord in directly, depending on the specific software trigger).
What (boot loop, blank screen, etc.) are you currently trying to fix? Share public link
When installing a new board, you must flash firmware that matches the exact resolution and bit rate (6-bit or 8-bit) of your LCD panel.