If the TV has sound but no picture, check the boost inductor and the MOSFET in this section for shorts. 4. Software and SPI Flash
The is a widely used universal LED TV driver board, often sought after by technicians for its versatility in repairing or repurposing LCD/LED panels. Finding an "exclusive" schematic diagram is the holy grail for troubleshooting power failures, backlight issues, or signal processing errors. tpv56pb801 schematic diagram exclusive
Use an oscilloscope or multimeter to check for data activity on the SPI Flash (Pins 1, 2, and 5) during power-up. If the TV has sound but no picture,