Posts: 2,118
Threads: 112
Joined: Jun 2010
City: Medford OR (OR what?)
(11-26-2016, 02:40 PM)the picker Wrote: I have a conar signal tracer but never ever used one before and I am not sure how to use it
Well, I am not sure about that one. The only concern I would have is if it's input was protected from B+. The old Heathkits that I use are good to "sniff" just about anywhere, B+ included.
You just start at one end - antenna or output - and look for where the problem (motorboating) starts or where the signal disappears. So you could start on the grid of the first tube, which is tuned, and should be able to hear stations. Moving on from there, from plate to grid, you should notice some gain in each stage - until you encounter your issue.
"I just might turn into smoke, but I feel fine"
http://www.russoldradios.com/
(This post was last modified: 11-26-2016, 02:52 PM by Phlogiston.)
Messages In This Thread
RE: marconi 157 - by Phlogiston - 11-26-2016, 02:50 PM
Users browsing this thread: 13 Guest(s)
|
|
Recent Posts
|
|
Shadow Meter Bulb
|
| Phorum members, I am trying to find the bulb # for PHILCO Shadow Meter part number 45-2180 that is from a 37-640 chassis...georgetownjohn — 06:53 PM |
|
Philco 41-608 changer coupler
|
| 3D-printing...short of machining, of course.
Or molding.morzh — 05:20 PM |
|
Philco 41-608 changer coupler
|
| Thanks, Morzh.
That solves the issue of the rubber pieces. Now, I need to find a way to replicate the pot metal piec...alangard — 05:07 PM |
|
12' Philco
|
| If it is 12', either Kareem or Andre would have to jump pretty high to look at the front panel.
Kareem would have an e...morzh — 01:48 PM |
|
12' Philco
|
| And here's a story about the tires on the truck. Same "no-stoop" guy must have installed these! Take care a...GarySP — 01:17 PM |
|
Hickok AC51 tube tester
|
| I think they have only shown the secondaries of the transformer.
Two of them feed the rectifiers' filaments.morzh — 12:58 PM |
|
IF can wire size and Rubber mounts?
|
| Arran
If the wire inside cans is the gauges you mentioned, the sole reason for that would be mechanical, to stiffen t...morzh — 12:56 PM |
|
12' Philco
|
| Rod,
Yes, I know, but the Giant Philco is not around anymore either, so I go by whoever was alive fairly recently.
H...morzh — 12:54 PM |
|
Hickok AC51 tube tester
|
| Absolutely no one is going to reverse engineer that circuit. Even the iron core is missing.RodB — 10:37 AM |
|
IF can wire size and Rubber mounts?
|
| Thanks to both members for your help regarding wire and tuner mtg supports. regards--Johngeorgetownjohn — 09:33 AM |
|
Who's Online
|
| There are currently no members online. |
|
 
|
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
