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

41-290 Component Values
#1

I attempting to restore a 41-290 (code 121) and have identified a couple of discrepancies between the as built (as-manufactured) unit and the available schematics. Specifically, item #41 (resistor) is specified as 33K ohms whereas the resistor installed is 100K ohms and item #45 (capacitor) is specified to be .01 mf where as the installed item is .003 mf. As far as I can tell from visual inspection the 100K ohm resistor and the .003 mf cap appear to be as factory built. The following illustration details the discrepancies.

Any thoughts from the members/experts will be appreciated.







Note from site admin: Sorry, but the photos which were attached to this post are no longer available.


Messages In This Thread
41-290 Component Values - by TFB - 03-08-2010, 05:25 PM
Re: 41-290 Component Values - by Ron Ramirez - 03-08-2010, 07:50 PM
Re: 41-290 Component Values - by TFB - 03-08-2010, 10:10 PM
Re: 41-290 Component Values - by dberman51 - 03-09-2010, 08:27 PM
Re: 41-290 Component Values - by Ron Ramirez - 03-09-2010, 08:30 PM



Users browsing this thread: 3 Guest(s)
[-]
Recent Posts
Philco 41-608 changer coupler
3D-printing...short of machining, of course. Or molding.morzh — 05:20 PM
Philco 41-608 changer coupler
Thanks, Morzh. That solves the issue of the rubber pieces. Now, I need to find a way to replicate the pot metal piec...alangard — 05:07 PM
12' Philco
If it is 12', either Kareem or Andre would have to jump pretty high to look at the front panel. Kareem would have an e...morzh — 01:48 PM
12' Philco
And here's a story about the tires on the truck. Same "no-stoop" guy must have installed these! Take care a...GarySP — 01:17 PM
Hickok AC51 tube tester
I think they have only shown the secondaries of the transformer. Two of them feed the rectifiers' filaments.morzh — 12:58 PM
IF can wire size and Rubber mounts?
Arran If the wire inside cans is the gauges you mentioned, the sole reason for that would be mechanical, to stiffen t...morzh — 12:56 PM
12' Philco
Rod, Yes, I know, but the Giant Philco is not around anymore either, so I go by whoever was alive fairly recently. H...morzh — 12:54 PM
Hickok AC51 tube tester
Absolutely no one is going to reverse engineer that circuit. Even the iron core is missing.RodB — 10:37 AM
IF can wire size and Rubber mounts?
Thanks to both members for your help regarding wire and tuner mtg supports. regards--Johngeorgetownjohn — 09:33 AM
Hickok AC51 tube tester
Note that no power cord, power switch, or power transformer switch are shown. That (along with my experience with full s...DaleHCook — 07:09 AM

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

>