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

Linear Mode
Adding AVC Mod to Philco 70
Ron Ramirez
Silent Key
*****
Posts: 13,776
Threads: 580
Joined: Sep 2005
City: Ferdinand State, Province, Country: Indiana
#62

06-23-2019, 06:32 PM
"You Big Dummy"

Doing some research, I noticed that the Model 19 and 89 sets, which also use a 260 kc IF, use a padder capacitor (04000-S) which has more "leaves" and therefore requires no mica cap in parallel with it.

So, I decided to just replace the original padder with an 04000-S since I have a (very) small stash of trimmer caps salvaged from junk Philco sets.

And when I went to replace the padder, guess what I found...

I had forgotten to install resistor (11), 51K, which is also mounted in parallel with padder cap (10).

Icon_crazy Icon_redface Icon_mad Icon_evil Icon_wtf

Reattaching a speaker and a test antenna, the set came to life - with the tube shield in place - and is now picking up two or three stations weakly. Best of all - no more popping or buzzing.

It needs a complete alignment, but it is now working.

Thanks Ed and Rob for your help with this one.
--
Ron Ramirez
Ferdinand IN
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-26-2019, 02:35 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-26-2019, 02:42 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-26-2019, 02:51 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-26-2019, 02:58 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-26-2019, 03:07 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-26-2019, 03:11 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-26-2019, 03:14 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 05-26-2019, 05:11 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 11:18 AM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 05-27-2019, 02:13 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 05-27-2019, 02:25 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 02:36 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 05-27-2019, 02:53 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 03:54 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 04:01 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 05-27-2019, 04:15 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 04:57 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 05:16 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 05-27-2019, 05:42 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 05:57 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 05-27-2019, 06:55 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-27-2019, 07:17 PM
RE: Adding AVC Mod to Philco 70 - by KCMike - 05-27-2019, 08:52 PM
RE: Adding AVC Mod to Philco 70 - by Steve Davis - 05-28-2019, 11:22 AM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 05-28-2019, 11:52 AM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 05-28-2019, 03:12 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 05-28-2019, 04:03 PM
RE: Adding AVC Mod to Philco 70 - by Steve Davis - 05-28-2019, 05:06 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-01-2019, 10:35 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-01-2019, 10:48 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-01-2019, 10:59 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-01-2019, 11:14 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-02-2019, 07:59 AM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-02-2019, 09:16 AM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-02-2019, 09:56 AM
RE: Adding AVC Mod to Philco 70 - by jake wells - 06-02-2019, 11:41 AM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-02-2019, 12:10 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-02-2019, 12:32 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-02-2019, 09:50 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-02-2019, 11:45 PM
RE: Adding AVC Mod to Philco 70 - by Radioroslyn - 06-03-2019, 08:28 AM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-03-2019, 08:30 AM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-03-2019, 08:37 AM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-08-2019, 09:36 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-08-2019, 10:00 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-09-2019, 09:14 AM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-09-2019, 09:25 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-15-2019, 10:34 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-16-2019, 02:00 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-16-2019, 02:14 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-16-2019, 03:58 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-16-2019, 04:13 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-16-2019, 04:38 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-17-2019, 09:32 AM
RE: Adding AVC Mod to Philco 70 - by Steve Davis - 06-17-2019, 03:38 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-23-2019, 08:45 AM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-23-2019, 09:15 AM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-23-2019, 09:23 AM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-23-2019, 03:31 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-23-2019, 04:34 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-23-2019, 05:27 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-23-2019, 06:32 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-23-2019, 07:16 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-23-2019, 07:22 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 06-23-2019, 08:40 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 06-24-2019, 12:02 AM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 06-30-2019, 07:02 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 10-07-2019, 10:15 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 10-08-2019, 12:22 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 10-08-2019, 02:09 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 10-13-2019, 09:07 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 10-13-2019, 11:33 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 12-26-2019, 08:13 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 12-26-2019, 08:26 PM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 12-26-2019, 10:19 PM
RE: Adding AVC Mod to Philco 70 - by rfeenstra - 12-26-2019, 10:27 PM
RE: Adding AVC Mod to Philco 70 - by Ed Locker - 12-27-2019, 10:46 AM
RE: Adding AVC Mod to Philco 70 - by Ron Ramirez - 12-27-2019, 11:49 AM
RE: Adding AVC Mod to Philco 70 - by Steve Davis - 12-27-2019, 02:08 PM



Users browsing this thread: 23 Guest(s)
[-]
Recent Posts
Atwater-Kent 84, restoration.
Well, powering it up would be too good to be true, and I had that feeling. Before I did, I decided to check the coils...morzh — 06:02 PM
An attempt to remove the Field Coil from a G speaker
Thanks Chas, sure will give it a look!morzh — 03:39 PM
An attempt to remove the Field Coil from a G speaker
Mike, Lookup  murrayatuptown on ARF. Seems he has a dilemma with surplus field coils. Could get lucky and have what y...Chas — 01:26 PM
Atwater-Kent 84, restoration.
Hello Mike, I have not checked to see if my console has a fuse or not and far as sets go I have early 30s General Motor...radiorich — 11:25 AM
Atwater-Kent 84, restoration.
Ron I forgot, but when you said "phone number", I remembered, caus I usually remember how I act when I need...morzh — 11:12 AM
Atwater-Kent 84, restoration.
You have an extensive collection of Philcos, Mike! I’m always excited to see each new one. Agreed on the power supply fu...jrblasde — 10:50 AM
462ron
Hi Mike, that 84 sure looks great. You don’t often see these antique radios with a fuse like yours has. I usually instal...462ron — 10:22 AM
Atwater-Kent 84, restoration.
Hello Mike, Wow ! far as my AK it does work and the cabinet is in nice shape so is my chassis anyway here is a photo of...radiorich — 02:59 AM
Atwater-Kent 84, restoration.
Nice radio, Mike! Here's hoping it was well rebuilt. Take care and BE HEALTHY! GaryGarySP — 12:12 AM
Atwater-Kent 84, restoration.
Rich yes, this is the way I got it. I have just put it on the table and took it apart. I suspect it even might work,...morzh — 11:31 PM

[-]
Who's Online
There are currently 4024 online users. [Complete List]
» 4 Member(s) | 4020 Guest(s)
AvatarAvatarAvatarAvatar

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