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

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

46-200 code 122
#8

Don't know about Mallory. I did some further checking and the schematic that Riders shows as the "46-200" is actually the CODE 125 version of the 46-200. My Production Changes for the Code 125 version reflect the two 14 volt tubes and omission of R100 in the fil string.

Your set, with that tube complement, is a Code 122 version. The changes from the original Code 121 are only the rectifiers and filter cap and the addition of dropping resistors R101 and R102. This permitted the use of a PM speaker. The new three section filter cap and two resistors were added because of the field coil elimination.


Chuck


Messages In This Thread
46-200 code 122 - by Jim Dutridge - 11-28-2007, 05:30 PM
[No subject] - by Chuck Schwark - 11-28-2007, 06:20 PM
[No subject] - by Jim Dutridge - 11-28-2007, 07:26 PM
[No subject] - by Chuck Schwark - 11-28-2007, 07:39 PM
[No subject] - by Jim Dutridge - 11-28-2007, 07:56 PM
[No subject] - by Chuck Schwark - 11-28-2007, 11:12 PM
[No subject] - by Jim Dutridge - 11-29-2007, 05:43 PM
[No subject] - by Chuck Schwark - 11-29-2007, 07:51 PM
[No subject] - by Jim Dutridge - 11-30-2007, 02:52 PM
[No subject] - by Jim Dutridge - 12-01-2007, 12:25 PM
[No subject] - by Jim Dutridge - 12-06-2007, 04:36 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
48-482 rear panel help
Hi Keith, here is an article that covers different FM detector circuits including a section on the theory and alignment ...462ron — 08:26 AM
462ron
Well then Dan I guess this old man’s memory wasn’t too foggy :lolno: although I couldn’t remember where I saw that upgra...462ron — 08:08 AM
Need Help to ID this radio 11 tube Philco
Fortunately, I did not have to do much to my GE S-22 (RCA R7A) Almost all caps and the 2 audio transformers packed into...MrFixr55 — 07:44 AM
48-482 rear panel help
Yup Arran is correct it is missing the pushbutton covers. I don't know where they all go but it's a common issue on this...Radioroslyn — 06:48 AM
48-482 rear panel help
I also have one of these, again it never had a back, and no trace of one. I have been told that the pushbuttons used to ...Arran — 03:29 AM
48-482 rear panel help
Thanks Joseph. Hope you get to restore your 48-482 before too long!keithchip — 02:12 AM
Need Help to ID this radio 11 tube Philco
RCAs ain't no cake either.morzh — 10:32 PM
Philco 46-480 Electronic Restoration
After a couple of days worth of troubleshooting my signal generator, I gave up. The oscilloscope still worked fine, so I...jrblasde — 09:51 PM
48-482 rear panel help
Yes, I can confirm. I bought one (haven’t restored it yet) which didn’t have a back panel.jrblasde — 09:37 PM
Need Help to ID this radio 11 tube Philco
Try a 39-116.Radioroslyn — 09:24 PM

[-]
Who's Online
There are currently 995 online users. [Complete List]
» 2 Member(s) | 993 Guest(s)
AvatarAvatar

>