Audio Circuit (PC Engine GT) Updated Mar 15, 2026 · 16 min read · 0 viewing Log in or register to read the full article. Previous LCD Circuit (PC Engine GT) The PC Engine GT has the high voltage (backlight tube) generation circuit, HSYNC/VSYNC and data... Next Front Button Board (PC Engine GT) The front PCB that screws into the front shell and has the button pads on the board has a BU5782K ...