Philco 90, The final chapter, I hope
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Happy New Year Rick!
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That very possible. The last Philco I worked on had lots of cold solder joints and other loose connections. That was the one where someone had plugged in the tubes so that every other one was in the wrong socket.
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Thanks, that's good advice. Have to complete Mr. Philco 16b first before looking at the 262 beast. I'm leaning to the front end. Maybe a really old mica cap is having a problem. More likely a cold solder joint. I found that Kester 60/40 solder flows SO MUCH bettter than the Radio Shack solder! The 262 has a rediculous amount of solder joints. Also lots of soldering to chassis studs.
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This is very helpful!
Thermionman1970 1 year ago
Thanks Thermionman1970
AllAmericanFiveRadio 1 year ago
Lockmeister,
I have had the same issue before. A set would play, then go down in vol. When I sparked something, or flipped one of the switches, the signal would come back strong. It wasn't a contact issue either. It was like a cap had to be 'reset' or something. Power on/ then off quickly also reset it. I did find a bad mica cap once, and that solved the issue.
watcher818 1 year ago
The weakest part of the early Philco radios is the oscillator. Part time problems are always fun.
AllAmericanFiveRadio 1 year ago
Well, I might have made a coupple of cold joints myself. I have found that Kester Solder flows a lot better then Radio Shacks brand. I was not happy with some of the chassis stud ground connections I made. the chassis was pretty rusty and I did scrape the chassis studs down resonably well, but I still wasn't thrilled with some of them. We shall see in about a month or two!
Lockemeister 2 years ago
Oh I hate when that happens, lol. Yep the true test is time. I hope you got them all!!
AllAmericanFiveRadio 2 years ago