Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12, 2025) x

Thread Closed

RCA R-73 RESTORATION
#12

Mike;
  That RCA brings back memories of a few G.E sets I have worked on. I'm not sure where the filter caps are paper or electrolytic (dry) in that chassis, but they are inside that big can on the left front corner, along with the bypass caps. Most of the carbon resistors will be way off, I think they are on the top side of that terminal board on the opposite side of the tuning condenser. Taking the oscillator/rf coil out from the other side makes it much easier to work on, but make a diagram of what wires go to what terminal, which you will do anyhow as the methodical fellow that you are. That smaller can near the rear apron has the audio interstage transformer inside, the coil near the front is the antenna coil. These sets are good performers once they are working right, very selective, though the broadcast band tops out around 1600 KC, much like a TRF from that era. 
Regards
Arran


Messages In This Thread
RCA R-73 RESTORATION - by morzh - 02-19-2023, 05:11 PM
RE: RCA R-73 RESTORATION - by Brad Winder - 02-19-2023, 07:25 PM
RE: RCA R-73 RESTORATION - by morzh - 02-19-2023, 08:32 PM
RE: RCA R-73 RESTORATION - by David - 02-19-2023, 08:39 PM
RE: RCA R-73 RESTORATION - by GarySP - 02-19-2023, 10:03 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-19-2023, 10:20 PM
RE: RCA R-73 RESTORATION - by radiorich - 02-19-2023, 11:49 PM
RE: RCA R-73 RESTORATION - by morzh - 02-20-2023, 09:50 AM
RE: RCA R-73 RESTORATION - by Eliot Ness - 02-20-2023, 11:28 AM
RE: RCA R-73 RESTORATION - by morzh - 02-20-2023, 02:03 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-20-2023, 03:15 PM
RE: RCA R-73 RESTORATION - by Arran - 02-20-2023, 03:41 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-20-2023, 08:02 PM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 02-20-2023, 08:44 PM
RE: RCA R-73 RESTORATION - by GarySP - 02-20-2023, 11:19 PM
RE: RCA R-73 RESTORATION - by morzh - 02-21-2023, 01:08 PM
RE: RCA R-73 RESTORATION - by Arran - 02-21-2023, 04:45 PM
RE: RCA R-73 RESTORATION - by morzh - 02-25-2023, 08:24 PM
RE: RCA R-73 RESTORATION - by GarySP - 02-26-2023, 01:54 PM
RE: RCA R-73 RESTORATION - by morzh - 02-26-2023, 03:03 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-26-2023, 10:42 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-26-2023, 11:02 PM
RE: RCA R-73 RESTORATION - by Arran - 02-26-2023, 11:22 PM
RE: RCA R-73 RESTORATION - by morzh - 02-26-2023, 11:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-27-2023, 01:01 AM
RE: RCA R-73 RESTORATION - by radiorich - 02-27-2023, 02:25 AM
RE: RCA R-73 RESTORATION - by morzh - 02-27-2023, 09:19 AM
RE: RCA R-73 RESTORATION - by Arran - 02-28-2023, 05:48 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 02-28-2023, 08:24 PM
RE: RCA R-73 RESTORATION - by morzh - 03-01-2023, 08:39 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-04-2023, 11:19 PM
RE: RCA R-73 RESTORATION - by radiorich - 03-04-2023, 11:50 PM
RE: RCA R-73 RESTORATION - by morzh - 03-05-2023, 01:44 PM
RE: RCA R-73 RESTORATION - by morzh - 03-05-2023, 09:58 PM
RE: RCA R-73 RESTORATION - by morzh - 03-05-2023, 11:10 PM
RE: RCA R-73 RESTORATION - by radiorich - 03-06-2023, 08:57 AM
RE: RCA R-73 RESTORATION - by RodB - 03-06-2023, 09:37 AM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 11:11 AM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 12:54 PM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 01:06 PM
RE: RCA R-73 RESTORATION - by RadioSvit - 03-06-2023, 01:13 PM
RE: RCA R-73 RESTORATION - by RadioSvit - 03-06-2023, 01:23 PM
RE: RCA R-73 RESTORATION - by morzh - 03-06-2023, 02:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-06-2023, 06:04 PM
RE: RCA R-73 RESTORATION - by Chas - 03-06-2023, 07:48 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-07-2023, 06:21 AM
RE: RCA R-73 RESTORATION - by morzh - 03-07-2023, 11:53 AM
RE: RCA R-73 RESTORATION - by morzh - 03-09-2023, 04:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-10-2023, 01:10 AM
RE: RCA R-73 RESTORATION - by RadioSvit - 03-10-2023, 05:24 AM
RE: RCA R-73 RESTORATION - by morzh - 03-12-2023, 04:38 PM
RE: RCA R-73 RESTORATION - by morzh - 03-14-2023, 10:32 PM
RE: RCA R-73 RESTORATION - by RodB - 03-15-2023, 10:14 AM
RE: RCA R-73 RESTORATION - by morzh - 03-15-2023, 02:34 PM
RE: RCA R-73 RESTORATION - by morzh - 03-18-2023, 01:43 PM
RE: RCA R-73 RESTORATION - by morzh - 03-19-2023, 09:52 PM
RE: RCA R-73 RESTORATION - by morzh - 03-20-2023, 09:16 PM
RE: RCA R-73 RESTORATION - by Arran - 03-21-2023, 12:48 AM
RE: RCA R-73 RESTORATION - by morzh - 03-21-2023, 08:34 AM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-22-2023, 08:09 AM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 03-22-2023, 10:10 AM
RE: RCA R-73 RESTORATION - by morzh - 03-22-2023, 01:30 PM
RE: RCA R-73 RESTORATION - by Arran - 03-22-2023, 04:59 PM
RE: RCA R-73 RESTORATION - by morzh - 03-22-2023, 07:22 PM
RE: RCA R-73 RESTORATION - by morzh - 03-22-2023, 11:30 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-23-2023, 05:45 PM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 03-23-2023, 07:18 PM
RE: RCA R-73 RESTORATION - by morzh - 03-23-2023, 08:47 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 03-24-2023, 08:35 AM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 03-24-2023, 09:10 AM
RE: RCA R-73 RESTORATION - by Chas - 03-24-2023, 10:19 AM
RE: RCA R-73 RESTORATION - by morzh - 04-01-2023, 05:20 PM
RE: RCA R-73 RESTORATION - by morzh - 04-01-2023, 05:26 PM
RE: RCA R-73 RESTORATION - by morzh - 04-08-2023, 04:04 PM
RE: RCA R-73 RESTORATION - by morzh - 04-12-2023, 09:18 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 04-13-2023, 09:47 AM
RE: RCA R-73 RESTORATION - by morzh - 04-13-2023, 10:31 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 04-14-2023, 07:28 AM
RE: RCA R-73 RESTORATION - by morzh - 04-14-2023, 06:48 PM
RE: RCA R-73 RESTORATION - by morzh - 05-07-2023, 02:31 PM
RE: RCA R-73 RESTORATION - by morzh - 05-21-2023, 03:45 PM
RE: RCA R-73 RESTORATION - by MrFixr55 - 05-21-2023, 11:09 PM
RE: RCA R-73 RESTORATION - by morzh - 05-22-2023, 01:16 PM
RE: RCA R-73 RESTORATION - by RadioSvit - 05-22-2023, 01:40 PM
RE: RCA R-73 RESTORATION - by morzh - 05-22-2023, 02:19 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 07:46 PM
RE: RCA R-73 RESTORATION - by Joe Rossi - 05-27-2023, 08:15 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 09:24 PM
RE: RCA R-73 RESTORATION - by Ron Ramirez - 05-27-2023, 09:29 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 09:41 PM
RE: RCA R-73 RESTORATION - by Steve Davis - 05-27-2023, 10:20 PM
RE: RCA R-73 RESTORATION - by morzh - 05-27-2023, 10:29 PM
RE: RCA R-73 RESTORATION - by Arran - 05-28-2023, 12:54 AM
RE: RCA R-73 RESTORATION - by RadioSvit - 05-28-2023, 05:14 AM
RE: RCA R-73 RESTORATION - by morzh - 05-28-2023, 09:55 AM



Users browsing this thread: 2 Guest(s)
[-]
Recent Posts
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
That looks a lot like an aircraft connector of some kind, even if it's a U.S.N power supply. I have a book somewhere abo...Arran — 02:56 AM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
hello david, I have a similar generator in my collection that features a cast iron, single-cylinder Briggs & Stratt...radiorich — 01:00 AM
under chassis parts locator diagram for 1938 Zenith 9s262
Has anyone gone to the trouble of creating an under chassis parts locator image?  Yes, I can identify components by foll...bobloney — 08:57 PM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Try looking at this site the book mark is for a old generator that I was given. David    https://radionerds.com/index.ph...David — 08:36 PM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Hello Everyone, I am looking for voltage identification for all the pin positions on the socket of a CRV-20130 power su...Tonym4704 — 08:16 PM
Philco P45-6365 Universal Transformer Instruction Manual
Can anyone guide me to where this may be found?GRG — 03:00 PM
54C Complete Teardown/Rebuild
I don't think that I have encountered a 12Z3 before, curious how it uses one of those but includes a #43, which is a 25 ...Arran — 02:17 PM
HiFi (Chifi) tube amp build - but my own design.
It's the other forum. I'm also in DIY, but mostly read there. Honestly, I kinda jumped into this without much thought to...TV MAN — 10:43 AM
Philco 71 Code 125
Hello,  I am in need of a schematic for this radio. Mine has the three separate circular tube shields and a shadow me...dconant — 08:06 AM
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated.dconant — 07:57 AM

[-]
Who's Online
There are currently no members online.

>