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Old 10th Aug 2022, 4:12 pm   #10
cathoderay57
Nonode
 
Join Date: Oct 2017
Location: Bristol, UK.
Posts: 2,358
Default Re: Bush VHF61 - magic eye not closing.

While the EM81 target voltages (pin 9) seem fine, the anode voltage (pin 7) of 4.8v on FM seems much too low. Check the anode load resistor (usually 1M to 2M). Jerry
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