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Old 06-27-2015, 09:17 AM   #1
Nailhead OP
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Old Proton Radio has Frog in its Throat

My mom gave me the old radio that has sat on various countertops in the kitchens of various houses since I was in high school. I remember many moments in history reported through its surprisingly good-sounding speaker: Reagan's near-assassination, the Challenger explosion, the Chernobyl meltdown. It's got sentimental value. It would also be very handy in my own kitchen.

...and it's got a REALLY scratchy volume control. No other issues than that. It's in perfect shape, really.

Anyway, how do I fix this? I remember "tuner spray" from the '70's, but I don't know if it's still available, or how to apply it if it is.

I realize I'll probably have to at least partially disassemble this radio to access the problem, and I don't have a problem with that. Replacing the potentiometer wouldn't be a big deal, either, if a replacement can be found.

Pix to follow, BTW. I know the rules.
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Old 06-27-2015, 09:22 AM   #2
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Old 06-27-2015, 09:26 AM   #3
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http://www.homedepot.com/p/CRC-11-oz...5103/205021975
http://www.amazon.com/CAIG-DeOxit-Cl...ct_top?ie=UTF8
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Old 06-27-2015, 09:30 AM   #4
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Cool-- thanks for the suggestion.

Any ideas on the the most effective/least potentially destructive method of application?
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Old 06-27-2015, 10:19 AM   #5
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Radio Shack also sells control and contact cleaner...

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Old 06-27-2015, 11:42 AM   #6
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radio shack also sells control and contact cleaner...

+1

Clean the controls with contact cleaner, dry, then spray the Radio Shack in and turn the control full scale several times. This should fix it. It's also a good idea to lube the control shafts. I use gun oil sparingly.
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Old 06-27-2015, 07:08 PM   #7
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+1 on the cleaner.

-100 for the thread title. I was expecting to see an old radio. That one's at least 20 years newer than mine
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Old 06-27-2015, 10:44 PM   #8
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It is an old radio: 1982, or so. How many radios or the current equivalent manufactured today do you believe will be operational in 2047? The concept of "old" as it relates to electronic devices covers less time into the past every year.

Anyway, thanks everyone for the suggestions. It might be harder to find a Radio Shack than it will be to repair this thing by whatever method.
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Old 06-27-2015, 11:03 PM   #9
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Doesn't apply to your problem but, I'm still using the same GE alarm clock radio I got for Christmas in 1977. Works just fine.

Proton really had the tiger by the tail for a few years in that timeframe. I had three of their car amps and a pair of their speakers. It was high-end stuff in the mid-'80s.



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Old 06-28-2015, 06:23 AM   #10
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Originally Posted by Nailhead View Post
Cool-- thanks for the suggestion.

Any ideas on the the most effective/least potentially destructive method of application?
Just give this a read: http://www.audiokarma.org/forums/sho...d.php?t=207005
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Old 06-28-2015, 12:53 PM   #11
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+1 on the cleaner.

-100 for the thread title. I was expecting to see an old radio. That one's at least 20 years newer than mine
Yeah, I was expecting a carved mahogany cabinet, mica glass, and vacuum tubes.
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Old 06-28-2015, 02:50 PM   #12
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In a pinch, will that Proton double as a microwave oven? When I first saw the pic that was the first thing I thought of...

Hopefully the volume pot isn't plain worn out and tuner cleaner will fix it. IIRC Ace Hardware also has the aerosolized goods for cleaning that control.
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