Radio buzzes

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Radio buzzes

45philcodon
Member

Posts: 95
Threads: 34
Joined: Oct 2016
City: Fountain Hills, Arizona

10-26-2019, 05:41 PM

I've just finished re-capping and replacing out-of-spec resistors on an Airline Model 62-425 (Montgomery-Ward). I also replaced the Metal clad resistor (R9,10 and 11) with non-metal resistors.
The radio has good sensitivity and plays just fine above 1000KHz. Below 1000KHz there is a persistent buzz that gets louder the lower the tuned frequency. Stations can be heard in this range but with the buzz.
I've tuned the IF and oscillator circuits and I tried moving wires around looking for anything that affects the buzz to no avail.

I welcome any suggestions on how to proceed.

Thank you

Don

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Messages In This Thread

Radio buzzes - by 45philcodon - 10-26-2019, 05:41 PM

RE: Radio buzzes - by morzh - 10-26-2019, 05:54 PM

RE: Radio buzzes - by 45philcodon - 10-26-2019, 06:57 PM

RE: Radio buzzes - by Chas - 10-26-2019, 11:39 PM

RE: Radio buzzes - by 45philcodon - 10-27-2019, 04:36 PM

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