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.
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