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Philco Tropic 39-770EZ
#71

Not so good news...

[Image: http://www.philcoradio.com/images/phorum...770-54.jpg]

It doesn't work right. Icon_sad

At first it would not pick up anything.Then I noticed that the filament of the first audio amp, a 6J5G, was not lit. And I had just tested it! Well, I had a metal 6J5 on hand and stuck it in the socket instead.

Now, it made a little noise. It receives nothing on AM, or on SW bands C or B. It works on SW band A, as I was able to tune in a few stations including WWV.

Oh, and I found out that I wired the tone control backwards. Icon_mad Icon_crazy That will not be difficult to fix, though - I only need to switch two wires around.

Time for further testing...

I aligned the IFs and that was no problem. With the radio set to the AM band, I tried injecting a 640 kc signal at the grid of the 6J8G det-osc tube. The radio received the signal. I then moved the generator to the grid of the RF amp. The radio still received the signal. But with the generator on the antenna terminal...nothing.

Like I said...time for further testing...

--
Ron Ramirez
Ferdinand IN


Messages In This Thread
Philco Tropic 39-770EZ - by Ron Ramirez - 01-30-2015, 07:40 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 01-30-2015, 07:51 PM
RE: Philco Tropic 39-770EZ - by Arran - 01-30-2015, 11:38 PM
RE: Philco Tropic 39-770EZ - by Joe Rossi - 01-31-2015, 08:32 AM
RE: Philco Tropic 39-770EZ - by klondike98 - 01-31-2015, 08:54 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 01-31-2015, 08:59 AM
RE: Philco Tropic 39-770EZ - by Joe Rossi - 01-31-2015, 12:33 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 01-31-2015, 12:35 PM
RE: Philco Tropic 39-770EZ - by Joe Rossi - 01-31-2015, 08:47 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 01-31-2015, 10:25 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-01-2015, 03:14 PM
RE: Philco Tropic 39-770EZ - by codefox1 - 02-02-2015, 11:32 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-02-2015, 01:03 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-02-2015, 06:57 PM
RE: Philco Tropic 39-770EZ - by Arran - 02-03-2015, 12:59 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-02-2015, 07:10 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-02-2015, 08:45 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-03-2015, 12:16 PM
RE: Philco Tropic 39-770EZ - by Arran - 02-05-2015, 12:43 AM
RE: Philco Tropic 39-770EZ - by sam - 02-03-2015, 12:39 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-03-2015, 01:07 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-03-2015, 04:11 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-03-2015, 04:17 PM
RE: Philco Tropic 39-770EZ - by KCMike - 02-03-2015, 08:08 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-04-2015, 02:59 PM
RE: Philco Tropic 39-770EZ - by Chuck Schwark - 02-04-2015, 03:01 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-04-2015, 03:03 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-04-2015, 04:51 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-05-2015, 06:55 AM
RE: Philco Tropic 39-770EZ - by Arran - 02-07-2015, 12:22 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-05-2015, 01:58 PM
RE: Philco Tropic 39-770EZ - by klondike98 - 02-05-2015, 02:14 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-05-2015, 05:11 PM
RE: Philco Tropic 39-770EZ - by sam - 02-05-2015, 08:04 PM
RE: Philco Tropic 39-770EZ - by Eliot Ness - 02-05-2015, 09:41 PM
RE: Philco Tropic 39-770EZ - by sam - 02-06-2015, 03:01 AM
RE: Philco Tropic 39-770EZ - by sam - 02-06-2015, 03:14 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-06-2015, 07:04 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-06-2015, 04:33 PM
RE: Philco Tropic 39-770EZ - by KCMike - 02-06-2015, 09:16 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-06-2015, 09:36 PM
RE: Philco Tropic 39-770EZ - by KCMike - 02-06-2015, 10:12 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-07-2015, 07:55 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-07-2015, 09:26 PM
RE: Philco Tropic 39-770EZ - by sam - 02-07-2015, 09:50 PM
RE: Philco Tropic 39-770EZ - by Chuck Schwark - 02-07-2015, 11:04 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-07-2015, 11:44 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-08-2015, 06:13 PM
RE: Philco Tropic 39-770EZ - by KCMike - 02-08-2015, 06:54 PM
RE: Philco Tropic 39-770EZ - by klondike98 - 02-08-2015, 07:36 PM
RE: Philco Tropic 39-770EZ - by Chuck Schwark - 02-09-2015, 09:35 AM
RE: Philco Tropic 39-770EZ - by morzh - 02-09-2015, 11:11 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 11:54 AM
RE: Philco Tropic 39-770EZ - by morzh - 02-09-2015, 12:00 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 05:41 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 05:48 PM
RE: Philco Tropic 39-770EZ - by morzh - 02-09-2015, 06:30 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 06:34 PM
RE: Philco Tropic 39-770EZ - by KCMike - 02-09-2015, 06:36 PM
RE: Philco Tropic 39-770EZ - by morzh - 02-09-2015, 06:38 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 06:39 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 06:41 PM
RE: Philco Tropic 39-770EZ - by morzh - 02-09-2015, 06:46 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 06:49 PM
RE: Philco Tropic 39-770EZ - by OZ4 - 02-09-2015, 09:47 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-09-2015, 09:57 PM
RE: Philco Tropic 39-770EZ - by Chuck Schwark - 02-10-2015, 09:39 AM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-10-2015, 05:46 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-10-2015, 05:50 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-10-2015, 05:57 PM
RE: Philco Tropic 39-770EZ - by sam - 02-10-2015, 07:04 PM
RE: Philco Tropic 39-770EZ - by OZ4 - 02-10-2015, 07:33 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-10-2015, 08:26 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-11-2015, 04:22 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-11-2015, 04:35 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-11-2015, 05:51 PM
RE: Philco Tropic 39-770EZ - by Ron Ramirez - 02-11-2015, 09:42 PM



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