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

Model 70 tone control
#5

Doubt it's an alignment problem. Seems like a decoupling issue. The quick and easy to fix it is to install a small cap from the plate of the 47 tube to ground. Size would be a .005@630v should do it.
Terry

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry


Messages In This Thread
Model 70 tone control - by 37silverstreak - 04-26-2011, 08:42 PM
Re: Model 70 tone control - by Steve Davis - 04-26-2011, 08:50 PM
Re: Model 70 tone control - by 37silverstreak - 04-26-2011, 09:47 PM
Re: Model 70 tone control - by 37silverstreak - 04-27-2011, 08:33 PM
Re: Model 70 tone control - by 7estatdef - 04-27-2011, 08:57 PM
Re: Model 70 tone control - by Steve Davis - 04-27-2011, 09:27 PM
Re: Model 70 tone control - by 37silverstreak - 04-28-2011, 09:41 PM
Re: Model 70 tone control - by 7estatdef - 04-29-2011, 08:39 AM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
New Philco Repair Bench
Morzh is correct. The repair bench on our website is an archived image of chuck’s original site. He no longer provides s...klondike98 — 05:32 PM
Made mistake & did not label connection
Excellent information. It is all starting to come together now and your explanation really helped since I noticed that ...georgetownjohn — 04:39 PM
Made mistake & did not label connection
Hi John, I don't have this radio, but I can supply some info: Based on your pic, pins 7,8 and 1 are used together, go...MrFixr55 — 02:02 PM
New Philco Repair Bench
As far as I know, the Repairbench does not work, and has not been working in a while. Chuck (we had that campaign looki...morzh — 01:33 PM
Radio city products 664 schematic request
Need a schematic or manual for the 664. The 663 may be similar.daveone23 — 12:38 PM
New Philco Repair Bench
Thanks Gary.dconant — 12:16 PM
New Philco Repair Bench
I tried accessing the site through our library and got the same response. It's reported to our tech gurus. GaryGarySP — 11:50 AM
New Philco Repair Bench
I am sure this is the archive, and not the Chuck's site.morzh — 09:50 PM
Made mistake & did not label connection
It's not like we are good friends with that wire and can tell it from other ptetty identical looking wires. Why'n't you...morzh — 09:49 PM
Made mistake & did not label connection
I'm not sure why that wire wasn't covered in the video. I'm pretty sure the 6A8 won't work until that pin is grounded. Y...RodB — 09:47 PM

[-]
Who's Online
There are currently 6062 online users. [Complete List]
» 1 Member(s) | 6061 Guest(s)
Avatar

>