If you are looking for the , you should direct your browser to the Texas Instruments website and search for the DS80C320 or DS80C323 datasheets. The "P" indicates the PDIP package, and the pinout found in the official datasheet will provide the schematic reference necessary for your design or repair work.
Based on the standard architecture for this document series: ds80249 p rev 12 schematic link
Details the conversion of primary input (e.g., 12V) to low-voltage CPU/RAM rails. If you are looking for the , you
: Identifying voltage test points (e.g., 1.2V, 3.3V, or 5V rails) when the unit fails to boot. HDMI/VGA Output Failure If you are looking for the