Looking at the seven electrolytic capacitors in the power supply laying flat to the left in your image take one more picture so we can see the top ends to the cylinders.
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When you had it together did you see any glow (faint) in the display when it was powered?
Looking at the seven electrolytic capacitors in the power supply laying flat to the left in your image take one more picture so we can see the top ends to the cylinders.