Back from the dead: 1946 Crosley 56TC (with pics)

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Back from the dead: 1946 Crosley 56TC (with pics) Empty Back from the dead: 1946 Crosley 56TC (with pics)

Post by stringbender31 on Sun Nov 25, 2012 5:25 pm

I picked up a decent-looking 56TC a few months ago that was D.O.A in hopes I could learn a few things & get it playing again. I think it must have sat in an attic or closet for a very long time because most of the wiring was rotted and fell apart when i moved it. (And it had a lot of dust in it.)

Back from the dead: 1946 Crosley 56TC (with pics) 2012-06-30_16-27-08_597

Back from the dead: 1946 Crosley 56TC (with pics) 2012-06-30_16-26-52_627


I had to fabricate a new dial lamp holder since the the wiring on the original was trashed.

Back from the dead: 1946 Crosley 56TC (with pics) 2012-07-01_13-51-40_117
Back from the dead: 1946 Crosley 56TC (with pics) 2012-07-01_13-51-17_755


The wiring wasn't the only thing brittle on this radio, one of the lugs on the rectifier socket broke off when I touched it with the soldering gun, so the socket got replaced too.

Back from the dead: 1946 Crosley 56TC (with pics) 2012-08-26_21-46-03_461


So, I replaced the rotted stuff, recapped it, changed some out-of-spec resistors & power it up for the 1st time in who knows how long.
I brought it up on the dim-bulb, the tubes and dial lamp lit up but no sound. Checked voltages and found I had no B+, which I learned was caused by a bad field coil. (Which also made the speaker useless) I replaced it with a power resistor and permanent magnet speaker.

Back from the dead: 1946 Crosley 56TC (with pics) 2012-11-23_23-18-15_823


Fired it up again & to my surprise, still got nothing. After a lot of trouble shooting, signal injection, signal tracing, rechecking my work and a bunch of head-scratching, I pin-pointed it down to this little trouble maker here:

Back from the dead: 1946 Crosley 56TC (with pics) 2012-11-23_23-09-08_772

I didn't bother with this when I recapped it because I was always told that these rarely go bad & no need to change them. I learned that "rarely" does not mean "never" lol!

Here is the underside all finished

Back from the dead: 1946 Crosley 56TC (with pics) 2012-11-23_23-13-51_456


I'm happy to say it is now playing and sounds fantastic! I aligned it & let it play for over an hour with no issues whatsoever. It pulls in lots of stations with loud, clear volume.

Back from the dead: 1946 Crosley 56TC (with pics) 2012-11-24_22-06-37_763
Back from the dead: 1946 Crosley 56TC (with pics) 2012-11-24_21-57-48_16


Here's a couple shots to show how much dust was inside when i first opened it up. Needless to say, both the cabinet and chassis got a thorough cleaning!

Back from the dead: 1946 Crosley 56TC (with pics) 2012-06-29_19-38-31_443
Back from the dead: 1946 Crosley 56TC (with pics) 2012-06-29_19-43-05_931


I learned a lot with this radio & I'm very happy how it turned out (even though I'll admit I wanted to throw it out the window a few times Mad )

Hope u guys enjoyed it! Sorry about the blurry pictures











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Post by Motorola man on Sun Nov 25, 2012 8:55 pm

Great job. Looks really good.
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Post by Guest on Sun Nov 25, 2012 10:45 pm

Nice work! I had one of those mica caps fail in my first console restoration, a Motorola 51-L

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Post by Guest on Mon Nov 26, 2012 7:35 am

Great job, looks like you also replaced one tube socket.

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Post by Ben Delk on Mon Nov 26, 2012 8:19 am

Every time I see a radio with wire covered in rubber insulation it sends cold chills up my spine and flashback reminders of the old Joan Crawford movie line, "No wire hangers!!!!" .
http://en.wikipedia.org/wiki/Mommie_Dearest_(film)

Great job on the restore.
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Post by N7ZAL on Mon Nov 26, 2012 12:11 pm

Nice job and came out great. How does it play?
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Post by fixinmyphono on Mon Nov 26, 2012 8:37 pm

Looks nice!
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Post by stringbender31 on Tue Nov 27, 2012 12:14 am

Thanks guys. Up until this one, a simple cap job was enough to get the radios going that I worked on. This radio was a challenge for me and helped me learn quite a few new things. I have been working on it for a few months off & on, & I was really happy to hear music finally coming through it! Now I'm ready for the next one Very Happy
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