Starting work on my 19B

Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12, 2025) x

Thread Closed

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: 2 Guest(s)

Recent Posts
Philco 71 Code 125
Hello, I am in need of a schematic for this radio. Mine has the three separate circular tube shields and a shadow me...dconant — 08:06 AM
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated.dconant — 07:57 AM
54C Complete Teardown/Rebuild
Hello Roy, here is this one sincerely Richardradiorich — 12:45 AM
54C Complete Teardown/Rebuild
Richard, Had grabbed it already but thank you just the same. I find myself wanting to find some way to block out the...glyphmon — 12:03 AM
54C Complete Teardown/Rebuild
Hello roy, here is a link to the schematic . Sincerely Richardradiorich — 11:54 PM
54C Complete Teardown/Rebuild
Richard, The Silvertone 2014 also is a transformerless set, so I am incorporating a 1:1 600 ohm audio isolation transfo...glyphmon — 11:37 PM
Preliminary work on wife's Silvertone 2014
Did an alignment today which was interesting. IF alignment went great, almost all was already spot-on. Adjusting on th...glyphmon — 11:35 PM
54C Complete Teardown/Rebuild
The main problem with adding a Bluetooth input is that this set lacks a traditional power transformer to isolate it from...radiorich — 11:19 PM
54C Cabinet Refinish
I started stripping this cabinet before it got super chilly out because I knew I wasn't going to be able to work on ...glyphmon — 11:18 PM
54C Complete Teardown/Rebuild
While I'm waiting to wrap up the final steps on my wife's Silvertone 2014, I started disassembly on the next project. O...glyphmon — 11:07 PM

Who's Online

There are currently 1738 online users. [Complete List]
» 1 Member(s) | 1737 Guest(s)

Login
Username:
Password:	Lost Password?
	Remember me