C64 PSU 251053-11 PCB replacement PCB replacement for the Commodore PSU 251053-11 Rev 0.1.x - 0.3.x with Murata OKR-T/3-W12 or Traco TSR 3-1250 Rev 0.4.x with Murata OKX-T/3-D12N-C (RM2.54)