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

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

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
Philco 37-670 restoration thread
Arran
Phorum Expert
*****
Posts: 4,804
Threads: 54
Joined: Sep 2008
City: Sandwick, BC, CA
#12

12-31-2014, 04:54 AM
 Sounds like the pin-out of a 5X4 is like that of a 5Y4, so 7-8 for the filament. I would not make the assumption that whomever put the 5U4 in there knew what they were doing, anybody can stuff a tube in a socket.
Regards
Arran
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Philco 37-670 restoration thread - by Diverted - 12-30-2014, 03:55 PM
RE: Philco 37-670 rectifier - by millievolt - 12-30-2014, 04:25 PM
RE: Philco 37-670 rectifier - by Diverted - 12-30-2014, 05:03 PM
RE: Philco 37-670 rectifier - by Chuck Schwark - 12-30-2014, 04:28 PM
RE: Philco 37-670 rectifier - by millievolt - 12-30-2014, 04:33 PM
RE: Philco 37-670 rectifier - by morzh - 12-30-2014, 06:27 PM
RE: Philco 37-670 rectifier - by Diverted - 12-30-2014, 07:45 PM
RE: Philco 37-670 rectifier - by OZ4 - 12-30-2014, 08:14 PM
RE: Philco 37-670 rectifier - by Diverted - 12-30-2014, 08:35 PM
RE: Philco 37-670 rectifier - by OZ4 - 12-30-2014, 09:10 PM
RE: Philco 37-670 rectifier - by thirtiesradio - 12-31-2014, 03:44 AM
RE: Philco 37-670 rectifier - by Arran - 12-31-2014, 04:54 AM
RE: Philco 37-670 rectifier - by Diverted - 12-31-2014, 09:03 AM
RE: Philco 37-670 restoration thread - by John R - 12-31-2014, 05:19 PM
RE: Philco 37-670 restoration thread - by OZ4 - 12-31-2014, 01:03 PM



Users browsing this thread: 5 Guest(s)
[-]
Recent Posts
1930s Stewart-Warner Tombstone Radio need help identifying model number
Another Update: I found a couple of damaged coils inside this radio that might have something to do with why this radio ...captainclock1988 — 10:51 PM
6TPZ and 5TPO Radio Help
If you are still on 5TPO, you lost me there. What X7? What Points 1 and 2?morzh — 08:37 PM
6TPZ and 5TPO Radio Help
Quick progress report: X7 is broken. Only one leg soldered, the other missing and the diode is cracked. I've replaced...R3Sons — 05:05 PM
6TPZ and 5TPO Radio Help
Oh...and you have electrolytic caps there. All need to go and be replaced.morzh — 04:36 PM
6TPZ and 5TPO Radio Help
Thanks, will do.R3Sons — 01:25 PM
1930s Stewart-Warner Tombstone Radio need help identifying model number
UPDATE: I was able to pick up a signal generator on the cheap (amazingly enough) on feebay and I did an IF alignment fol...captainclock1988 — 09:53 AM
Philco 91 Schematic
Hi Rod, The resistor connects to pin 4 and the ungrounded side of block 9. From pin 9 of the RF tube to one side of ...dconant — 09:34 AM
Just got a 49-1613 need to know...everything!
I just found your post. I have this exact same model, and have had it since 1985 when I was 15 years old! I performed a ...MuzzcoVW — 09:11 AM
B&K 1077B no video
Hello Tim, I would if it's a leaky Capacitor So are all 3 of those B- voltages low then ? Sincerely Richardradiorich — 01:55 AM
B&K 1077B no video
I found a schematic and think I have the problem traced down to the minus power supply. I have very low voltages that go...TV MAN — 12:41 AM

[-]
Who's Online
There are currently no members online.

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