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I have been interested in doing a rebuild of a Heathkit HP-23 power supply for a little while. For those looking for older gear I have noticed that the HP-23 series power supplies seem to be more rare than the Heathkit radios that they were used to power. I was excited when one of my Amateur radio...
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When working to reassemble the radio I noticed that the shaft coupling for the final control was slipping and further discovered that this plastic coupling threads were stripped. Threaded plastic can be rather delicate so a repair was in order. To repair the coupling I removed the screws and...
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What is the Alignment Process? The alignment process is a series of adjustments that help maximize the performance of the radio. This multistep process will include steps such as peaking the heterodyne oscillators and nulling out the carrier from the final RF signal to properly adjusting the...