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 80 Jr, just starting....
morzh
Odobenus rosmarus
******
Posts: 16,569
Threads: 574
Joined: Oct 2011
City: Jackson State, Province, Country: NJ
#31

03-21-2012, 11:03 PM
(03-21-2012, 07:07 PM)7estatdef Wrote:  Actually the grid leak is the 3 or 4 meg resistor in the grid circuit.
Terry

Oh, 4M in parallel to 50pf cap to the grid, yes. No, I don't want to change it - it can be easily measured and gives me 4.4M reading which is within reason.
And the cap is probably also mica.
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Philco 80 Jr, just starting.... - by morzh - 01-28-2012, 09:35 PM
RE: Philco 80 Jr, just starting.... - by morzh - 02-29-2012, 12:21 AM
RE: Philco 80 Jr, just starting.... - by morzh - 03-15-2012, 12:05 AM
RE: Philco 80 Jr, just starting.... - by codefox1 - 03-15-2012, 01:25 AM
RE: Philco 80 Jr, just starting.... - by morzh - 03-15-2012, 10:44 AM
RE: Philco 80 Jr, just starting.... - by codefox1 - 03-15-2012, 12:20 PM
RE: Philco 80 Jr, just starting.... - by morzh - 03-17-2012, 01:14 AM
RE: Philco 80 Jr, just starting.... - by morzh - 03-21-2012, 03:35 PM
RE: Philco 80 Jr, just starting.... - by morzh - 03-21-2012, 11:03 PM
RE: Philco 80 Jr, just starting.... - by morzh - 03-21-2012, 10:56 PM
Re: Philco 80 Jr, just starting.... - by morzh - 01-29-2012, 03:24 PM
Re: Philco 80 Jr, just starting.... - by morzh - 02-05-2012, 06:23 PM
Re: Philco 80 Jr, just starting.... - by morzh - 02-06-2012, 06:31 PM
Re: Philco 80 Jr, just starting.... - by morzh - 02-11-2012, 08:25 PM
Re: Philco 80 Jr, just starting.... - by codefox1 - 02-11-2012, 09:50 PM
Re: Philco 80 Jr, just starting.... - by morzh - 02-12-2012, 11:14 PM
Re: Philco 80 Jr, just starting.... - by codefox1 - 02-13-2012, 04:22 PM
Re: Philco 80 Jr, just starting.... - by morzh - 02-13-2012, 06:37 PM
Re: Philco 80 Jr, just starting.... - by morzh - 02-15-2012, 12:50 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
[split] New member...
You may have to start further back with your signal injection at the IF signal grid, then tune the second IF transformer...RodB — 10:28 AM
[split] New member...
Well, with the replacement tuning assembly, I have finally put the unit back together and aligned the dial.  The first s...HowardWoodard — 01:01 AM
Philco Model 16 wiring question
Well, finding a short is easy. Like I said, disconnect the transformer's secondary windings and see if it persists. If...morzh — 09:48 PM
Restoring Philco 96
Nice one!Stan the Man — 09:37 PM
Restoring Philco 96
I have eventually replaced the speaker and shot the video, which only shows the upper part of the dial as the hum is ver...morzh — 09:24 PM
Rogers Majestic R-646
Kinda weird to see both open Nothing weird if you remember that this radio is about 100 years old  :)Vlad95 — 07:49 PM
Philco 42-345 Restoration/Repair
I believe I'm making progress, resistors have been rechecked and corrected, removed that ugly blue capacitor and more wi...osanders0311 — 07:38 PM
Philco Model 16 wiring question
Thanks Morzh Yes I recapped everything and replaced almost all the resistors as well. I redid #99 with .015 safety ca...bobclausen — 07:11 PM
Philco Model 16 wiring question
Well...pull out every single load of the transformer. For every winding. Unsolder if needed. Then re-do your dim bulb....morzh — 07:02 PM
Rogers Majestic R-646
Kinda weird to see both open, but once you get it up and running, really pay attention to your sound. Listen for loud cr...TV MAN — 06:59 PM

[-]
Who's Online
There are currently 1001 online users. [Complete List]
» 3 Member(s) | 998 Guest(s)
AvatarAvatarAvatar

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