03-05-2013, 04:46 PM
How are you aligning your set? Are you following the factory instructions to the letter? Very weak signal injected into the set from the signal generator and volume control of the radio at max?
Also, when aligning the low end padder at 580 kc, you must "rock" the tuning condenser to achieve best alignment. The 42-355/390 Service Bulletin describes this procedure well, although they call it "rolling." The goal here is not to get your dial pointer right at 58 on the dial, but to align for maximum output so that the oscillator is accurately tracking with the set's IF. If this is not done properly, your set will never work at its fullest potential.
Also, when aligning the low end padder at 580 kc, you must "rock" the tuning condenser to achieve best alignment. The 42-355/390 Service Bulletin describes this procedure well, although they call it "rolling." The goal here is not to get your dial pointer right at 58 on the dial, but to align for maximum output so that the oscillator is accurately tracking with the set's IF. If this is not done properly, your set will never work at its fullest potential.
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Ron Ramirez
Ferdinand IN
