1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Philco 38-7CS
Bob Andersen
Phorum Expert
*****
Posts: 797
Threads: 42
Joined: Dec 2008
City: Chicago, IL
#10

07-25-2014, 04:24 PM
Chuck - Yes, the muting switch does work correctly, but I disconnected it anyway to eliminate it as a source of trouble.

Yes, I have checked and swapped the tubes, but no change. It does use AVC so maybe I should monitor the AVC voltage as it warms up ?
Website Find
« Next Oldest | Next Newest »


Messages In This Thread
Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:32 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:41 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:48 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 07:57 PM
RE: Philco 38-7CS - by Arran - 07-24-2014, 09:34 PM
RE: Philco 38-7CS - by Bob Andersen - 07-24-2014, 09:50 PM
RE: Philco 38-7CS - by codefox1 - 07-25-2014, 01:34 PM
RE: Philco 38-7CS - by Chuck Schwark - 07-25-2014, 01:46 PM
RE: Philco 38-7CS - by morzh - 07-25-2014, 01:47 PM
RE: Philco 38-7CS - by Bob Andersen - 07-25-2014, 04:24 PM
RE: Philco 38-7CS - by morzh - 07-25-2014, 05:02 PM
RE: Philco 38-7CS - by Arran - 07-26-2014, 12:06 AM
RE: Philco 38-7CS - by Bob Andersen - 07-27-2014, 03:35 PM
RE: Philco 38-7CS - by gregb - 07-27-2014, 11:13 PM
RE: Philco 38-7CS - by Bob Andersen - 07-27-2014, 11:28 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 04:16 PM
RE: Philco 38-7CS - by Mondial - 07-28-2014, 04:26 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 05:18 PM
RE: Philco 38-7CS - by Mondial - 07-28-2014, 05:36 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 06:51 PM
RE: Philco 38-7CS - by Bob Andersen - 07-28-2014, 10:29 PM
RE: Philco 38-7CS - by Chuck Schwark - 07-29-2014, 10:35 AM
RE: Philco 38-7CS - by morzh - 07-29-2014, 10:37 AM
RE: Philco 38-7CS - by Chuck Schwark - 07-29-2014, 10:42 AM
RE: Philco 38-7CS - by morzh - 07-29-2014, 11:02 AM
RE: Philco 38-7CS - by Warren - 07-29-2014, 01:59 PM
RE: Philco 38-7CS - by gregb - 07-29-2014, 03:16 PM
RE: Philco 38-7CS - by Bob Andersen - 07-29-2014, 03:31 PM
RE: Philco 38-7CS - by Bob Andersen - 08-03-2014, 02:06 PM
RE: Philco 38-7CS - by codefox1 - 08-03-2014, 04:29 PM



Users browsing this thread: 3 Guest(s)
[-]
Recent Posts
Philco 60 Squealing
I seem to remember eliminating a squeal by changing the IF frequency by a few KHz. Not that you should put too much tru...fenbach — 08:48 PM
Philco 42-390, code 121 speaker
These speakers pop up on eBay regularly, even if at bloated prices. Honestly, have not seen many parts on swapmeets.morzh — 08:38 PM
Philco 38-7 Speaker
The put-put is not like the speaker problem.morzh — 08:29 PM
Mission Bell Model 19A Car Radio
Hello everyone,  As mentioned in my last post I was going to see if the vibrator / rectifier section could be persuaded...Antipodal — 08:21 PM
Philco 60 Squealing
Wondering if I did it backwards. If a coil was wound backwards, the oscillator would not work at all. Old school...Chas — 07:23 PM
Philco 38-7 Speaker
4-ohm speaker. Black, Green leads.tludka — 07:00 PM
Philco 42-390, code 121 speaker
#87 on the schematic.  This radio had a 8" Zenith  speaker attached to it when I got it. I do don't know the hist...Stevelog — 06:39 PM
Philco 60 Squealing
I'm pretty sure I now have the litz wire soldered. This did not make any difference. Back in April I rewound the seconda...dconant — 06:25 PM
Philco 38-7 Speaker
Just to make sure, you chose either 4 ohm into 5K or into 10K? (blk-org or blk-grn)morzh — 06:23 PM
Philco 38-7 Speaker
I have let this one sit because of other duties. Now I am back, and I have a couple of questions. I hooked up a Hammond ...tludka — 05:34 PM

[-]
Who's Online
There are currently 5505 online users. [Complete List]
» 1 Member(s) | 5504 Guest(s)
Avatar

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