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Yeah removing the tube and adding the pot is standard process for this chassis. You just attach the pot where indicated and use it to set the proper bias to the IF amplifiers while doing alignment.
The trap alignment is easy with the HP combo set up. You select CW on the 8601a generator and the 8600a marker. Then as instructed set the frequency on 8601a and the adjust the traps ( and there a lot of them in this set) for a null or minimum on the VTVM.
Last edited by Penthode; 09-07-2024 at 11:06 PM.
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