1948 Philco All-American-Five radio repair
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Uploader Comments (Thouchins)
All Comments (20)
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I'm sure you agree that you should also check the resistors . and replace any that are higher than tolerance that could help with reception allowing better voltages You must have a lot of interference in that shop cause there was a lot of noise
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Sorry about the 3 part post...Freddie
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If you have voltage or the Neon tester lights up...Just reverse the plug in the wall socket and test again to see if there is any voltage of flashing light...Thanks...WB9RTZ...Fred
die... -
In the radio and TV business we always used a device called an isolation transformer to protect us from shock the hazard...If I didn't have a isolation transformer, I would use a meter or Neon tester to check if the chases was hot...Just place one of the probes to the metal chases and the other one to something that you know is grounded.
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When working with these type radios you must be very careful, since one side of the AC cord is directly connected to the chases which could potently electrocute you if the hot side of the AC outlet happens to be connected to the chases and you become grounded...for instance, if you are barefoot and working on concrete or touching something metal that's grounded.
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i wish i would have found this video before me and my dad, mostly dad, went in and started replacing the capacitors like mad men
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I would replaced all those paper capacitors.
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nice find
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did u just zip tie the new ones together? or hot glue them or soemthing?
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I didn't explain the connection of the new eletrolytic caps because of the time on the video. Just look at the original cap and see what the 3 values are coming from each color wire. In this case it was 30,25 & 20 mf's. If your not able to understand swaping out the old cap with the new, then you shouldn't be working on these radios. This is about as simple as it gets when troubleshooting.
Good Luck
Terry
Thouchins 1 year ago
that noise is just AM interference.
that's one of the main complaints about AM, it's easy to pickup noise.
Thouchins 3 years ago