Posts: 3,122
Threads: 57
Joined: Apr 2011
City: Lexington, KY
Mike, one thing about RCA is their service literature is very comprehensive. You can download load their "red book" service manuals on the "American radio history" site. They seem to be very clear scans. Good luck with that beast!
John KK4ZLF
Lexington, KY
"illegitimis non carborundum"
Messages In This Thread
RE: RCA R-73 RESTORATION - by Eliot Ness - 02-20-2023, 10:28 AM
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Recent Posts
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Cannot Adjust an IF Transformer’s cores
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Outstanding work indeed. I wish I could come up with solutions like this.slford310 — 11:16 PM |
Cannot Adjust an IF Transformer’s cores
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The abilities of our 'Phorum Pholks" never ceases to amaze me! Fantastic fabrication, Joseph! I'm waiting now for...GarySP — 08:27 PM |
PT-6 antenna connections
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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 |
Cannot Adjust an IF Transformer’s cores
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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 |
PT-6 antenna connections
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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
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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 |
Cannot Adjust an IF Transformer’s cores
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Joseph, now you are an engineer!!RodB — 06:37 PM |
PT-6 antenna connections
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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 |
Cannot Adjust an IF Transformer’s cores
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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 |
PT-6 antenna connections
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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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