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Old 06-28-2017, 07:09 PM
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N2IXK N2IXK is offline
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Join Date: Apr 2011
Location: Sittin' on the "Group W" bench...
Posts: 799
Check for filament voltage between pins 1 and 11 on the 11 pin adapter cable.

If present, suspect a problem in the metering circuit.

If not present, look for a fault in the filament transformer, filament selector switch, life test switch, or filament set pot and associated 15K resistor.

The "CRT Test" and "Beam Builder" lights are fed from a separate transformer than the CRT filament.
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