Reduced from 12V via a DC-DC buck converter to power the CPU and IR sensor during standby. 3. LED Driver (Backlight) Circuit
Typically includes HDMI, VGA, USB (supports firmware upgrades), AV Input, and Headphone jack. tpv56pb801 schematic diagram pdf
Leo found a PDF for the TPV56PB802 (a later revision). Comparing his board, he saw 90% similarity—different capacitor values but the same IC pinouts. Using that as a guide, he located a shorted diode on the 24V rail. One replacement later, the TV glowed back to life. Reduced from 12V via a DC-DC buck converter
The TPV56PB801 is typically a (often referred to as a "combo board" or "LIPS" board – LCD Integrated Power Supply). Its primary roles include: USB (supports firmware upgrades)