Posts Tagged ‘HW-16’

HW-16 First Light (Signals!)

I was listening to Bill Meara (N2CQR) on one of his famous SolderSmoke podcasts when he explained first light. Astronomers have a word for the first time a new telescope is pointed to the sky and illuminated by starlight.  They call it “First Light”. Bill likened this to the first time that a radio receiver […]

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HW-16 First Power Up

Ok, so I ran through the short pre-check list that Heathkit provided in their manual, just a couple of resistance checks on the high voltage supplies.  No problems found there.  Time to plug it in and see what she does… I bring up new builds and old radios on a variac.  That way I can […]

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HW-16 Nearly Ready…

So, at this point I have replaced all known or suspected faulty components, done some rewiring, and basically have the unit back together electrically. I didn’t save all of the replaced components, but here are some of the last few that I replaced…

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Bias Supply Capacitor Replacement

The HW-16 negative bias supply (-150 volt) has a dual section 20 uf capacitor that needs to be replaced.  The Hayseed Hamfest capacitor kit included two 22 uf, 250 volt capacitors to replace this unit. The old unit is the ugly brown carboard one on the left had side of this picture, just above the […]

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HW-16 Can Capacitor Installation

The next step was to install the rebuilt and new can capacitors into the HW-16. As I knew I was getting close to powering the radio up, I decided this would be a good time to replace the old 2-wire power cord with a safer modern 3-wire cord. The old cord was in pretty bad […]

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