Ipkbl-sr 35w Schematic
Since the official proprietary schematics are protected intellectual property, the post below provides a based on the standard topology of the IPKBL series (Single Stage PFC Flyback) to assist with repairs or understanding the circuit.
If you cannot find the schematic, perform a physical continuity test to map your own. Here are the standard functions for the pin header (usually J1 or CN1): ipkbl-sr 35w schematic