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Model 645 BC Resistor - Which end is C-?
#7

I would declare that the electronic restoration is complete, but I still don't have anything on the shortwave band. I guess there some issue with the band switch, and I wouldn't even bother with it except that I have a couple of months before I can start working on the cabinet.

Nevertheless, the chassis is done and here are a couple of before/after photos. There's no attempt here to preserve antique value--I'm just trying to make it look close to the original.

[Image: https://lh3.googleusercontent.com/-XeukV...520645.jpg]

[Image: https://lh4.googleusercontent.com/-vfkfE...520645.jpg]

I think I understand the Shadow Meter despite my confusing post in another thread. The meter doesn't respond unless I use my indoor antenna (40 ft. of antenna wire on the ceiling). I originally thought the shadow would reduce to a thin line, but I don't think I'll ever create the conditions to get maximum response from the meter. This is a photo of the meter when a station is tuned accurately. The shadow is narrowed, but can't get any thinner because the vane doesn't return to the center. Some stations give a narrower shadow than this.

[Image: https://lh5.googleusercontent.com/-5DFK3...520645.jpg]

If anyone gets really excited about Shadow Meters, here's a link to a 40-second video of the shadow and the vane movement during warm up and tuning.

https://picasaweb.google.com/coldrb/Febr...directlink

I'll post the cabinet when it's done. Thanks for everyone's help (here and on VideoKarma) in the successful restoration of another radio that I don't where I'm going to put it.

Phixing a Philco is like learning a phoreign language.

- Winky


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RE: Model 645 BC Resistor - Which end is C-? - by Winky Dink - 02-08-2014, 01:12 AM



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