See attached photo for symptoms.
Supply board produces +18V on output pins and shows no fault with ~3V on fault pin. Backlights come on.
I replaced two 220uF capacitors on main board because plugs might have popped a little underneath (hard to tell) but no change in symptom. Main board has two UART headers which I soldered connectors onto, but do not see activity on either with scope.
I've tried wiggling connectors around unit when powered on but no change in symptoms.
Supply board produces +18V on output pins and shows no fault with ~3V on fault pin. Backlights come on.
I replaced two 220uF capacitors on main board because plugs might have popped a little underneath (hard to tell) but no change in symptom. Main board has two UART headers which I soldered connectors onto, but do not see activity on either with scope.
I've tried wiggling connectors around unit when powered on but no change in symptoms.
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