1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration

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

Linear Mode
Philco 18 code 121 RF coil rewind
Jason K
Junior Member
**
Posts: 6
Threads: 2
Joined: Apr 2015
City: Spruce Pine, NC
#1

04-15-2015, 11:37 AM
I am new to the phorum and am in the process of restoring a Philco Model 18 Code 121.  I already knew that some of the rf coils would have open primaries, and on this model it is the detector transformer #10 which is supposed to measure 3.7 ohms and the oscillator transformer #16 which is supposed to measure 3.4 ohms.
On the repair bench website I have read the service hints article on the rewinding of these coils. The only models listed are the 20, 70, using 32 gauge and the 90 using 34 gauge.  It is hard to determine from the original windings as they are really rough.
I would like to know if anyone has rewound the coils on a model 18 and what gauge enamel wire did you use and turns involved?
Any and all help is very much appreciated!
Website Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Philco 18 code 121 RF coil rewind - by Jason K - 04-15-2015, 11:37 AM
RE: Philco 18 code 121 RF coil rewind - by morzh - 04-15-2015, 11:43 AM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco 42-345 Restoration/Repair
Yes, 57 is an electrolytic cap that should be 12 mfd 400 volts according to the parts list from the Phorum library schem...RodB — 06:01 PM
Philco 42-345 Restoration/Repair
Looks like if I am reading it correctly it looks like the silver capacitor#57 that appears to be a replacement is of a l...osanders0311 — 05:09 PM
Philco model 38 code 121 not receiving signal.
Thanks Arran. Yeah this plastic is pretty thin. It's a little thinner than the original stuff. It kinda reminds me of p...Stormlord5500 — 04:37 PM
Testing a speaker and output transformer Trutone A2-G
The equivalent of one short turn is basically the same as that of a shorted load. If it is the primary's turn, then the ...morzh — 03:53 PM
Testing a speaker and output transformer Trutone A2-G
I've never had an output transformer become shorted, the failure mode is usually an open primary, or in a center tapped ...Arran — 03:52 PM
Philco model 38 code 121 not receiving signal.
As long as the plastic sheeting isn't too thick, I think that the thickness of photographic film would be just about rig...Arran — 03:19 PM
Philco model 38 code 121 not receiving signal.
Well why not! :lol:Stormlord5500 — 03:14 PM
Philco model 38 code 121 not receiving signal.
Good luck next thing you know you will be winding coils just for the fun of it. DavidDavid — 11:29 AM
Testing a speaker and output transformer Trutone A2-G
morzh Short-circuited turns can be considered as a half-dead transformer. But on this case transformer will hot and s...Vlad95 — 11:01 AM
Testing a speaker and output transformer Trutone A2-G
I am not sure how a transformer could be weak. It could be inadequate, but only when you replace the original with somet...morzh — 09:56 AM

[-]
Who's Online
There are currently 2183 online users. [Complete List]
» 1 Member(s) | 2182 Guest(s)
Avatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration