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

37-84 No RF after overhaul
#6

http://www.philcorepairbench.com/rewindi...-rf-coils/

This is for earlier sets but it's all pretty much the same. The important thing is that you need to wind the new winding in the same direction as the original so take note when before you remove it. On the ant and rf coil it doesn't matter but on the oscillator the phasing is important. Wire ga isn't real critical something between 32-38ga is fine. A telltale sign of a bad coil is if you look closely at  the winding thru the wax coating you probably is green dots. This is where the copper wire is corroded. If you try to unwind it it falls apart. It's not very many turns it's like 20-25.
OBTW   http://philcoradio.com/phorum/showthread.php?tid=14779   Your customer might like it.

Have fun it's an easy fix!


Attached Files Image(s)
   

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry


Messages In This Thread
37-84 No RF after overhaul - by spierce328 - 12-30-2018, 06:31 PM
RE: 37-84 No RF after overhaul - by Radioroslyn - 12-30-2018, 07:34 PM
RE: 37-84 No RF after overhaul - by spierce328 - 12-31-2018, 12:29 AM
RE: 37-84 No RF after overhaul - by Radioroslyn - 12-31-2018, 02:20 AM
RE: 37-84 No RF after overhaul - by spierce328 - 12-31-2018, 04:58 PM
RE: 37-84 No RF after overhaul - by Radioroslyn - 12-31-2018, 07:18 PM
RE: 37-84 No RF after overhaul - by klondike98 - 12-31-2018, 07:27 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco 42-345 Restoration/Repair
Hi OSanders, Look carefully at the band switch. Turn it slowly and "wiggle" it around the desired band. ...MrFixr55 — 12:33 AM
5U4 vs 5Z4 tubes
I think that RCA and GE introduced metal tubes in the USA in 1936.  I don't know if they were being made by RCA, GE or b...MrFixr55 — 11:20 PM
Philco 42-345 Restoration/Repair
Vlad95, Thank you for the stringing guides and wow there are so manyosanders0311 — 06:01 PM
5U4 vs 5Z4 tubes
A pre war Hallicrafters, and an early one too, very nice! 1936 is pretty early for metal tubes too, which would explain ...Arran — 05:58 PM
Philco 42-345 Restoration/Repair
Thanks Rod, "When you hear the background hiss and no station it usually indicates that the oscillator quit" ...osanders0311 — 05:52 PM
Philco 42-345 Restoration/Repair
RodB :beerchug:Vlad95 — 10:22 AM
Philco 42-345 Restoration/Repair
Vlad, you nailed it. Swiss and German roots.RodB — 09:54 AM
5U4 vs 5Z4 tubes
Well this is a Hallicrafters SX/9 circa 1936. No real issues so far although I dodged a real bullet with a cap that was...bridkarl — 07:59 AM
5U4 vs 5Z4 tubes
The pinout is the same but the 5U4 has a 3 amp filament, verses 2 amps or less on the 5Z4. I think that the pinout of a ...Arran — 12:04 AM
Philco 42-345 Restoration/Repair
By the way. osanders0311 Take a look here: Dial cord stringing Guides May be here you can fount correct string settin...Vlad95 — 11:15 PM

[-]
Who's Online
There are currently 1195 online users. [Complete List]
» 1 Member(s) | 1194 Guest(s)
Avatar

>