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

42-355 Osc problem on BC/SW, PB work OK
#1

I'm stumped with this set working OK on the station PB's, but I cant get the osc to work on the BC/SW push buttons. Is there a separate oscillator for the station push buttons? I know the coils are separate for the station PB's, but the BC osc coil and push switch contacts have been checked out OK. I'm sure this is a recurring problem, but I can't find a reference.

Thanks for some input, please

Dale
#2

Double check the switch that switches from the pushbuttons to the dial.
Terry

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
#3

Thank you Terry, I'll try looking into the switches.

Dale
#4

Agree that L and C on push buttons are dertermined upon tuning. As I understand it, you are having diffficulty NOT using presets. Try the paper test between the rotors and stators of the tuning capacitor, and of course the windings of the oscillator coil as well. You're narly there with this set!
#5

Correct, codefox. The oscillator does not work when the BC and SW button is depressed. I get stations only when the presets are used. I've confirmed the BC osc coil continuity is OK and "it seems the switch contacts all have the correct continuity", BUT I've strained my eyes confirming that. I don't want to completely remove the assembly due to all the rubber wire (or what's left of it).

Dale




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Need Help to ID this radio 11 tube Philco
Yes the 16B as morzh pointed out. Specifically its the January 1935 model version of the 16B. There are a couple earli...klondike98 — 11:51 PM
48-482 rear panel help
Welcome to the Phorum, keithchip! How far you take a radio on cabinet restoration is a matter of personal preference. ...GarySP — 11:28 PM
48-482 rear panel help
I've recently finished the internal restoration of a locally purchased Philco 48-482. The cabinet is in ok shape except ...keithchip — 10:28 PM
Need Help to ID this radio 11 tube Philco
Welcome to the Phorum, Ken! Lots of help here for all of your restoration questions. Take care and BE HEALTHY! - Gar...GarySP — 07:59 PM
Need Help to ID this radio 11 tube Philco
Thank you. I went to your online library and found 2 schematics. I will download and compare to components!Ken D. — 06:31 PM
Need Help to ID this radio 11 tube Philco
It is a 16B tombstone.morzh — 06:13 PM
Zenith H725
David - sorry, I reread your post and finally saw THD - now the % figures make sense. Thanks for explaining. The PSU...EdHolland — 06:06 PM
Need Help to ID this radio 11 tube Philco
Hi Everyone, New member but have been reading this for awhile for tips! Vaccum tubes were before my time so bear with ...Ken D. — 06:03 PM
My Philco 37-116 Restore
Thank you MrFixR55, I appreciate your comments very much. I do not detect much hum if any so I will be staying with the ...dconant — 05:15 PM
My Philco 37-116 Restore
Hi DConant Yes, you can replace chokes with resistors.  You do stand the risk of increased hum.  the solution is to inc...MrFixr55 — 04:23 PM

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

>