Backlight Driver (NEC PC Engine GT) Updated Apr 18, 2026 · 20 min read · Support · 0 viewing 🔥 Most active page right now Log in or register to read the full article. Previous 5V Circuit (NEC PC Engine GT) The 9V from the battery comes in, through the F500 fuse, into the Q502 transistor (BJT PNP). N... Next LCD Circuit (NEC PC Engine GT) The PC Engine GT has the high voltage (backlight tube) generation circuit, HSYNC/VSYNC and data...