At about 4 am we lost power on V1 and remotely found the cabinet would not become ‘ready’. On-site it was quickly apparent that tube bias was not satisfied and looking over the schematics again I decided to quickly isolate the tube to know where I should start looking. As soon as I pulled the…
Quite suddenly and without warning on February 27th, the V2 cabinet for our KBCW was constantly crowbarring (a safety function on high-voltage/high-power transmitters to prevent a tube short or other high beam current events from destroying the Inductive Output Tube) and would not hold high voltage for any amount of time putting our transmitter at…