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

Linear Mode
42-390
Ron Ramirez
Silent Key
*****
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#3

08-09-2010, 02:34 PM
The XXFM is the 2nd detector for AM and FM, as well as the first audio amplifier. If it does not light up (burned out? bad tube socket contacts?), the radio will not work.

If you really want good service information for your 42-390, visit Chuck's site.

http://www.philcorepairbench.com/schematics.htm

Excellent info, reasonably priced.
--
Ron Ramirez
Ferdinand IN
Find
« Next Oldest | Next Newest »


Messages In This Thread
42-390 - by Guest - 08-05-2010, 02:21 PM
Re: 42-390 - by codefox1 - 08-06-2010, 10:00 AM
Re: 42-390 - by Ron Ramirez - 08-09-2010, 02:34 PM
Re: 42-390 - by Guest - 08-10-2010, 07:52 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
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
Philco 42-390, code 121 speaker
>>A closer examination of the very small print schematic indicates that the speaker is a PM type. This shows a ...morzh — 05:18 PM
Philco 60 Squealing
Litz is typically tinned by simply rubbing it with the soldering iron tip while immersed in solder (and a bit of rosin f...morzh — 05:14 PM
Philco 6K7
The suppressor grid (if by G3 you mean the S) is usually at the Cathode potential, which in this caes is GND. I am not ...morzh — 05:10 PM
Philco 16B Parts
Thanks for the reply. Unfortunately the radio was removed before bidding was over so I didn't get a chance to bid.dconant — 04:10 PM

[-]
Who's Online
There are currently 4835 online users. [Complete List]
» 2 Member(s) | 4833 Guest(s)
AvatarAvatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Home Radios