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

Threaded Mode
Philco 90 part #30 Capacitor can leads
k9uw
Junior Member
**
Posts: 35
Threads: 12
Joined: Nov 2014
City: Amherst, WI
#1

05-20-2022, 11:27 PM
Hello, everyone. I'm working on a Philco 90 (single #47). Part #30 is a metal can multi-capacitor containing a 1.0 uf (black lead), .25 uf (white lead) and .1 uf (green lead). Naturally, all 3 wires and now black, no longer connected to anything and appear to have been cut so their original length is unknown. The schematic identifies locations for 3 capacitors with the part number of "30" but does not reveal which value goes where. How do I determine which is which?
Mike, K9UW
Amherst, WI
Find
klondike98
Phorum Moderator
******
Posts: 5,060
Threads: 269
Joined: Nov 2012
City: Bandon State, Province, Country: OR
#2

05-21-2022, 12:10 AM
See the annotated early schematic for your version of the 90 (scroll to the 1931 schematics) in our library.  https://philcoradio.com/library/index.php/service-info/early-schematics/

It shows and labels the 3 sections of the #30 capacitor.
Cheers,
Bob
[Image: https://www.dropbox.com/s/5m63ib99yfx2eg....jpg?raw=1]
Bob's Restorations Web Page
Website Find
k9uw
Junior Member
**
Posts: 35
Threads: 12
Joined: Nov 2014
City: Amherst, WI
#3

05-21-2022, 09:51 AM
Thanks, Bob!

Amazing what a difference a bit of information makes in a project.
Mike, K9UW
Amherst, WI
Find
radiorich
Phorum Expert
*****
Posts: 1,472
Threads: 89
Joined: May 2008
City: Omak State, Province, Country: WA
#4

05-21-2022, 08:20 PM
Hello Mike,
I sure do help getting the right information !

Sincerely Richard
Find
« Next Oldest | Next Newest »




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Cannot Adjust an IF Transformer’s cores
Outstanding work indeed. I wish I could come up with solutions like this.slford310 — 11:16 PM
Cannot Adjust an IF Transformer’s cores
The abilities of our 'Phorum Pholks" never ceases to amaze me! Fantastic fabrication, Joseph! I'm waiting now for...GarySP — 08:27 PM
PT-6 antenna connections
Thanks. I never realized that was a notch noted in the schematic as described. I’ll recheck my wiring.bridkarl — 08:13 PM
Cannot Adjust an IF Transformer’s cores
Thank you! I was quite new to the Phorum when I started this post, so I feel like it might be advantageous to publish a ...jrblasde — 08:07 PM
PT-6 antenna connections
Notice in the schematic the notch at the bottom of the antenna coil is between pins 3 & 4. Yes, pin 6 of the 7C6 is...RodB — 07:34 PM
bridkarl
I have two PT-6 chassis. On both there is a blue wire that runs from the above chassis transformer to pin 6 of 7C6. So t...bridkarl — 07:23 PM
Cannot Adjust an IF Transformer’s cores
Joseph, now you are an engineer!!RodB — 06:37 PM
PT-6 antenna connections
Hi, reading your explanation I can see the confusion. If you take it one connection at a time it should result in a desi...RodB — 06:34 PM
Cannot Adjust an IF Transformer’s cores
It works! I received the PCBs this morning in the mail, and put everything together. I reused the base from the original...jrblasde — 04:32 PM
PT-6 antenna connections
I seem to have lost my way on this PT-6. I see the antenna aerial transformer schematic - I’m reading pins 1 through ...bridkarl — 12:30 PM

[-]
Who's Online
There are currently 3956 online users. [Complete List]
» 1 Member(s) | 3955 Guest(s)
Avatar

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