The monitor works for a couple of seconds when first powered up but then goes dark. The 12 Volt supply that powers the inverter reads 15 volts so I suspected a 12 Volt regulation problem. I temporarily wired in an external 12 Volt supply and everything worked. I replaced all the capacitors on the Power Supply board but no luck. Am I right to assume that the inverter and backlite lamps are OK? Does anyone have a schematic for this model? Any feedback would be greatly appreciated.

Dave

Hi have you also changed the small electrolytic in the primary used for regulation and maybe the supply for the psu regulation ic.

Rich