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PJL · 29th Aug 2017, 3:59 pm

The transformer must have survived the first resistor failure for it to happen again!

The 80V on V8b anode sounds low enough to indicate the oscillator is not running. Do you have a scope? If not then put your meter on AC volts and connect via a 0.1uF capacitor to the oscillator anode.

29th Aug 2017, 3:59 pm	#49
PJL Dekatron Join Date: Sep 2005 Location: Seaford, East Sussex, UK. Posts: 5,997	Re: And the next one! a GEC BT2147 The transformer must have survived the first resistor failure for it to happen again! The 80V on V8b anode sounds low enough to indicate the oscillator is not running. Do you have a scope? If not then put your meter on AC volts and connect via a 0.1uF capacitor to the oscillator anode.