Starting work on my 19B

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

Thread Closed

Thread Rating:

1 Vote(s) - 5 Average
1
2
3
4
5

Linear Mode

Starting work on my 19B

Mondial
Phorum Expert

Posts: 1,114
Threads: 14
Joined: Feb 2013
City: Irvington, NY

#48

03-22-2014, 10:34 AM

Joe, in his radio you will not see any negative grid voltage, as the grid is grounded for DC. The autodyne osc/mixer uses a cathode feedback circuit, and there is no grid resistor to develop negative bias.

[Image: http://www.philcoradio.com/tech/images/89v2_sm.jpg]

(This post was last modified: 03-22-2014, 10:34 AM by Mondial.)

Find

« Next Oldest | Next Newest »

Thread Closed

Messages In This Thread

Starting work on my 19B - by PAradiogeek - 12-06-2013, 12:16 AM

RE: Starting work on my 19B - by BrendaAnnD - 12-06-2013, 06:49 AM

RE: Starting work on my 19B - by Mondial - 12-06-2013, 08:35 AM

RE: Starting work on my 19B - by PAradiogeek - 12-06-2013, 11:44 AM

RE: Starting work on my 19B - by PAradiogeek - 12-11-2013, 10:02 PM

RE: Starting work on my 19B - by BrendaAnnD - 12-11-2013, 10:28 PM

RE: Starting work on my 19B - by PAradiogeek - 12-12-2013, 02:49 PM

RE: Starting work on my 19B - by BrendaAnnD - 12-12-2013, 03:19 PM

RE: Starting work on my 19B - by codefox1 - 12-12-2013, 08:20 PM

RE: Starting work on my 19B - by morzh - 12-12-2013, 11:41 PM

RE: Starting work on my 19B - by PAradiogeek - 12-13-2013, 08:34 AM

RE: Starting work on my 19B - by jerryhawthorne - 12-13-2013, 07:48 PM

RE: Starting work on my 19B - by klondike98 - 12-13-2013, 07:59 PM

RE: Starting work on my 19B - by Radioroslyn - 12-15-2013, 12:53 PM

RE: Starting work on my 19B - by PAradiogeek - 12-15-2013, 09:37 PM

RE: Starting work on my 19B - by jerryhawthorne - 12-15-2013, 10:11 PM

RE: Starting work on my 19B - by PAradiogeek - 12-16-2013, 08:55 PM

RE: Starting work on my 19B - by PAradiogeek - 12-19-2013, 11:30 PM

RE: Starting work on my 19B - by klondike98 - 12-19-2013, 11:50 PM

RE: Starting work on my 19B - by Bradley Rush - 12-20-2013, 03:44 AM

RE: Starting work on my 19B - by PAradiogeek - 12-20-2013, 08:11 AM

RE: Starting work on my 19B - by jerryhawthorne - 12-20-2013, 06:16 PM

RE: Starting work on my 19B - by PAradiogeek - 12-25-2013, 04:40 PM

RE: Starting work on my 19B - by Ron Ramirez - 12-25-2013, 06:02 PM

RE: Starting work on my 19B - by morzh - 12-25-2013, 06:08 PM

RE: Starting work on my 19B - by PAradiogeek - 12-25-2013, 07:49 PM

RE: Starting work on my 19B - by morzh - 12-25-2013, 09:39 PM

RE: Starting work on my 19B - by PAradiogeek - 12-25-2013, 11:53 PM

RE: Starting work on my 19B - by tab10672 - 12-26-2013, 12:43 AM

RE: Starting work on my 19B - by morzh - 12-26-2013, 11:24 AM

RE: Starting work on my 19B - by PAradiogeek - 12-26-2013, 03:18 PM

RE: Starting work on my 19B - by PAradiogeek - 01-11-2014, 06:04 PM

RE: Starting work on my 19B - by PAradiogeek - 01-13-2014, 08:34 AM

RE: Starting work on my 19B - by PAradiogeek - 02-16-2014, 12:03 AM

RE: Starting work on my 19B - by morzh - 02-16-2014, 12:13 PM

RE: Starting work on my 19B - by PAradiogeek - 03-03-2014, 11:37 PM

RE: Starting work on my 19B - by PAradiogeek - 03-07-2014, 11:47 PM

RE: Starting work on my 19B - by Mondial - 03-08-2014, 12:00 AM

RE: Starting work on my 19B - by PAradiogeek - 03-19-2014, 09:20 PM

RE: Starting work on my 19B - by skyscraper - 03-19-2014, 09:38 PM

RE: Starting work on my 19B - by Mondial - 03-19-2014, 09:49 PM

RE: Starting work on my 19B - by skyscraper - 03-19-2014, 09:56 PM

RE: Starting work on my 19B - by Joeztech - 03-20-2014, 07:46 AM

RE: Starting work on my 19B - by PAradiogeek - 03-21-2014, 11:47 PM

RE: Starting work on my 19B - by jerryhawthorne - 03-22-2014, 12:35 AM

RE: Starting work on my 19B - by Joeztech - 03-22-2014, 06:50 AM

RE: Starting work on my 19B - by Mondial - 03-22-2014, 10:34 AM

RE: Starting work on my 19B - by Joeztech - 03-22-2014, 11:12 AM

RE: Starting work on my 19B - by PAradiogeek - 03-24-2014, 10:25 PM

RE: Starting work on my 19B - by skyscraper - 03-24-2014, 10:41 PM

RE: Starting work on my 19B - by PAradiogeek - 03-25-2014, 07:13 AM

RE: Starting work on my 19B - by morzh - 03-25-2014, 10:12 AM

RE: Starting work on my 19B - by Radioroslyn - 03-25-2014, 05:10 PM

RE: Starting work on my 19B - by PAradiogeek - 03-25-2014, 08:14 PM

RE: Starting work on my 19B - by PAradiogeek - 03-25-2014, 11:42 PM

RE: Starting work on my 19B - by skyscraper - 03-26-2014, 12:17 AM

RE: Starting work on my 19B - by PAradiogeek - 03-30-2014, 07:34 AM

RE: Starting work on my 19B - by Steve Davis - 03-30-2014, 08:57 AM

RE: Starting work on my 19B - by PAradiogeek - 03-30-2014, 11:21 AM

RE: Starting work on my 19B - by skyscraper - 03-30-2014, 12:32 PM

RE: Starting work on my 19B - by PAradiogeek - 03-30-2014, 04:50 PM

View a Printable Version

Users browsing this thread: 1 Guest(s)

Recent Posts
My Philco 37-116 Restore
Are you measuring relative to the centertap or the GND?morzh — 11:57 PM
Philco 610B oscillator wiring
Still not clear on the wiring interface between the 6A7 and oscillator. After refering to the available schematics and s...Tubester — 07:18 PM
Refinishing Ideas
My 37-116 code 121 is the best sounding radio i have...a daily driver. Since we are talking about "changes". ...poulsbobill — 07:18 PM
My Philco 37-116 Restore
Hello, I finally got brave enough to take the cans off the Expander Unit. Got the grid cap wires replaced and back toget...dconant — 06:50 PM
Zenith H725
I got into the first AM IF can today, and found its mica was cracked. Amazing that it was still working. This one makes ...EdHolland — 06:10 PM
Philco model #20
AHH HA , I got it and can’t thank you fellows enough , when I changed the capacitors I took the advice and did not unsol...onlyrick — 02:24 PM
Zenith H725
Hello Ed, yes, I like letting projects run for few days to make sure they don't start acting up . Sincerely Richardradiorich — 01:03 PM
Philco 46-480 Electronic Restoration
I am almost finished with this restoration. All which remains is the power transformer. I cleaned it up some time ago, b...jrblasde — 12:41 PM
Philco model #20
I seem to recall in some TRF sets there being a Local/Distance toggle switch that removes the B+ from the first 24 rf tu...RodB — 09:46 AM
Refinishing Ideas
Hi Doppelganger, After rereading your thread, did you mount the Zenith speakers in the two bottom left and right pos...MrFixr55 — 09:39 AM

Who's Online
There are currently no members online.

Login
Username:
Password:	Lost Password?
	Remember me