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1940 Coronado C800 console- COMPLETED!
#5

SUCCESS! Finally, after 25 years of silence, my great-grandparents' 1940 Coronado console radio plays beautifully. Receives all of the local stations up & down the AM dial. I am one happy camper tonight! Attached are a couple of photos of the finished product.

I can remember visiting them in the early 70's as a tot with my folks, and walking up to this very radio when I wasn't even tall enough to reach up to touch the buttons (I'm 41 now). I can still picture it sitting in the corner of their living room, where I'm sure it sat since they bought it new in 1940. And the crazy thing is, it never played back in the early 70's either! I remember asking great-grandpa to turn it on and he said it "hasn't worked in years"! I hope they're listening from above tonight to the sweet music coming out of their speaker.

And, with the RCA jack that was built into the chassis for an optional phonograph back then, I can plug in my iPod, hit the 'phono' button, and play any music I want through it! Can also plug in a cassette tape player, CD player, or anything that has a headphone jack! I had my smartphone playing through it on the Live365 app, where I found a channel that plays nothing but Fibber McGee & Molly radio shows 24/7!

Thanks again to Art Hoch for his kindness in scanning and e-mailing the schematic for this radio from the Rider's Manual. The help provided by this schematic was an invaluable resource to getting it to play again.

       

Greg V.
West Bend, WI
Member WARCI.org


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Cannot Adjust an IF Transformer’s cores
Outstanding work indeed. I wish I could come up with solutions like this.slford310 — 11:16 PM
Cannot Adjust an IF Transformer’s cores
The abilities of our 'Phorum Pholks" never ceases to amaze me! Fantastic fabrication, Joseph! I'm waiting now for...GarySP — 08:27 PM
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Thanks. I never realized that was a notch noted in the schematic as described. I’ll recheck my wiring.bridkarl — 08:13 PM
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Thank you! I was quite new to the Phorum when I started this post, so I feel like it might be advantageous to publish a ...jrblasde — 08:07 PM
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Notice in the schematic the notch at the bottom of the antenna coil is between pins 3 & 4. Yes, pin 6 of the 7C6 is...RodB — 07:34 PM
bridkarl
I have two PT-6 chassis. On both there is a blue wire that runs from the above chassis transformer to pin 6 of 7C6. So t...bridkarl — 07:23 PM
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Joseph, now you are an engineer!!RodB — 06:37 PM
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Hi, reading your explanation I can see the confusion. If you take it one connection at a time it should result in a desi...RodB — 06:34 PM
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It works! I received the PCBs this morning in the mail, and put everything together. I reused the base from the original...jrblasde — 04:32 PM
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I seem to have lost my way on this PT-6. I see the antenna aerial transformer schematic - I’m reading pins 1 through ...bridkarl — 12:30 PM

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