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Old 03-25-2004, 08:59 PM
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Charlie Charlie is offline
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Join Date: Aug 2002
Location: Warren, TX
Posts: 2,582
Philco 19MT79 roundie-hybrid

Spent thisevening bringing up the Philco chassis slowly with a variac. After several hours, I was glad to see nothing went up in smoke. It seems that all of my B+ voltages are good, and the electrolytics are running cool. Even the tuning indicator has a good glow.

The power switch was bad, so that is bypassed for now.

I had hoped to be able to at least get some audio, but seems it won't be today. I did some poking around and found a possibly bad transistor on the first IF. Voltage reading at the emitter is supposed to be around 3 volts, and I am getting nothing there. That kinda bites... this is the part where I wish it was all tubes!

I thought about plugging the horizontal tubes back in to see if there was any HV, but getting tired and don't feel like loose HV flying around.

Here's a few shots on the bench. The tuning indicator...
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