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I guess the meter on 'Line Volts' doesn't show anything either, normally that's where setting up to test a tube would start. N2IXK is right about checking for filament voltage on the CRT connector. You could also try connecting a 6 volt lamp like a # 47 across those pins and setting the filament selector to 6.3V. I wish the manual showed a complete schematic. Try to get the filament supply circuit to work first, then go on the the other sections. I would guess that it is in the meter circuit somewhere, the meter itself or the switches. The manual doesn't show a fuse in that circuit but there might be one.
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