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swordholder · 23rd May 2010, 7:46 am

Les,
Know the feeling.
Check the voltage on the output from the anode & screen volts switches, you could have a ground connection fault. BUZ80s are static sensitive, and are easily damaged outside the circuit, but pretty well bombproof in circuit.

Regards
Mike

23rd May 2010, 7:46 am	#380
swordholder Rest in Peace Join Date: Aug 2009 Location: East Preston, Sussex Posts: 162	Re: The "Sussex" Homebrew Valve Tester. Les, Know the feeling. Check the voltage on the output from the anode & screen volts switches, you could have a ground connection fault. BUZ80s are static sensitive, and are easily damaged outside the circuit, but pretty well bombproof in circuit. Regards Mike