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About Radio ... Part 11 Cleaning the variable capacitor, by Andy Davies.

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Uploaded on Sep 22, 2011

In this eleventh video 'About Radio' I talk about how to clean the variable tuning capacitor. A bit of a deviation from the circuit diagram but I saw this tip of using a feather to clean the vanes of a capacitor in an old radio book many years ago and through I'd share it with you.
If this helps you please let me know.
Kind regards ... Andy gw0jxm

~~~~ ~~~~~~~~~~~ ~~~~
In this series of 'About Radio' I want to show you a circuit diagram for a radio and talk you through what each component is there for.


Here's the full link to 'About Radio ... Part 1 by Andy Davies. Removing the chassis.'
http://www.youtube.com/watch?v=1WzbAm...

Here's the full link to 'About Radio ... Part 2 by Andy Davies. Data sheet and DC components.' http://www.youtube.com/watch?v=lYgJSl...

Here's the full link to 'About Radio ... Part 3 by Andy Davies. HT smoothing.' http://www.youtube.com/watch?v=2EaAG2...
HD Link to part 3 http://youtu.be/2EaAG2HXgns?hd=1

Here's the full link to 'About Radio ... Part 4 by Andy Davies. AC ripple on the HT DC.'
http://www.youtube.com/watch?v=Xp5KyJ...
HD link to part 4 http://www.youtube.com/watch?v=Xp5KyJ...

Here's the full link to 'About Radio ... Part 5 by Andy Davies. VHF input stage.'
http://www.youtube.com/watch?v=ZzN8a_...
HD link to part 5 http://www.youtube.com/watch?v=ZzN8a_...

Here's the full link to 'About Radio ... Part 6 by Andy Davies. Grid bias & tank circuits.'
http://www.youtube.com/watch?v=y8ahcc...
HD link to part 6 http://www.youtube.com/watch?v=y8ahcc...

Here's the full link to 'About Radio ... Part 7 by Andy Davies. A closer look at the tank circuit.'
http://www.youtube.com/watch?v=GXUh_h...
HD link to part 7 http://www.youtube.com/watch?v=GXUh_h...

Here's the full link to 'About Radio ... Part 8 by Andy Davies. Intermediate Frequency.' http://www.youtube.com/watch?v=IvyQEQ...
HD link to part 8 http://youtu.be/IvyQEQ24x1A?hd=1

Here's the full link to 'About Radio ... Part 9 by Andy Davies. Ratio Detector AVC feature http://www.youtube.com/watch?v=BI9xUi...
HD link to part 9 http://youtu.be/BI9xUiUBvCs?hd=1
Here's the full link to 'About Radio ... Part 10 by Andy Davies. Ratio Detector, AF Detection. http://www.youtube.com/watch?v=xlBsZJ...
HD link to part 10 http://youtu.be/xlBsZJJEMqQ?hd=1

If you're interested in this series of videos then I recommend that you also take a look at Rick McWhorter's channel.
This is the full link to one of the videos by Rick McWhorter
http://www.youtube.com/watch?v=IWxeWn...
(AllAmericanFiveRadio) Do download his book, it's free but the information is priceless! Rick has put a huge amount of effort and a lifetimes worth of experiences into his videos, I think you find them interesting and entertaining, but be warned, you'll get hooked! I have.

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