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 19 code 122....odd parts?
Steve Davis
Phorum Expert
*****
Posts: 1,407
Threads: 72
Joined: Oct 2007
City: Linn Creek, MO
#2

03-23-2017, 06:24 PM
The resistor connected to capacitor block 8, is the cathode resistor for the oscillator. Philco originally  used a 15K but, it is recommended to go down to a 10K or even 7500 ohm for reliable oscillator operation.
M R Radios   C M Tubes
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Philco 19 code 122....odd parts? - by Philcokid - 03-23-2017, 02:00 PM
RE: Philco 19 code 122....odd parts? - by Steve Davis - 03-23-2017, 06:24 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco 91 Restore Code ??
Can someone tell me if my 42 tubes are connected triode or pentode in fixed or cathode bias? How could I tell by looking...dconant — 10:47 AM
Philco 40-120C Restoration
Hello David, that is great news about the tubes source being local ! Sounds like you got good start on the radio . ...radiorich — 09:41 AM
An attempt to remove the Field Coil from a G speaker
Mike; I've only run into a speaker with an open filed coil twice, and they were on newer speakers from the 1940s. One ...Arran — 12:48 AM
An attempt to remove the Field Coil from a G speaker
Arran Yes, this is my plan for now and what do I got to lose, this is not even the speaker from this radio, but one o...morzh — 10:44 PM
An attempt to remove the Field Coil from a G speaker
Mike;  I would unwrap the field coil, and see if maybe there a break near one of the ends, like where the coil wire att...Arran — 10:23 PM
An attempt to remove the Field Coil from a G speaker
...and this is what I did. I fed a little LT into the screwholes with a small brush, and a little on the rim next to the...morzh — 09:52 PM
Philco 40-120C Restoration
I combined the two 40-120C threads together as we like to keep the discussion of the same radio together. It helps with...klondike98 — 09:36 PM
Philco 40-120C Weak, Distorted Ouput
Just checked were I buy tubes price is four dollars. So living in Florid we have a local source for tubes. David    David — 09:14 PM
Philco 40-120C Weak, Distorted Ouput
The higher voltage may be due to higher mains voltage. My mains run 120-125AC when the set was new mains would be 110-11...David — 09:09 PM
Philco 40-120C Weak, Distorted Ouput
Thank you for your reply. I pulled a speaker from a Philco 41-221 and received the same result. I used a signal tracer t...bluecap — 08:45 PM

[-]
Who's Online
There are currently 4403 online users. [Complete List]
» 1 Member(s) | 4402 Guest(s)
Avatar

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