Fanuc A20B-8001-0920 Inverter PCB. This inverter is fitted on FANUC i series controls (including 0iA, 0iB, 16i, 18i, 20i, 21i) only with a Fanuc LCD 10.4″ colour monitor installed on a integrated i series controller as well stand alone digital LCD/MDI units. The powers the backlight for the LCD panel either the NEC NL6448 series or the Sharp LQ10 series displays.
DNC carries A20B-8001-0920 stocks of this backlight inverter and further can test to ensure it is faulty and not the i series main / master board, or the driver PCB if in a standalone LCD/MDI. Fanuc Inverters are supplied outright by DNC and carry a 180 day warranty or 12 month warranty if new.