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

Parts list or Volume Pot Value
#16

Ok so here is the data sheet for the 7C6 first audio tube in your Philco.
http://www.shinjo.info/frank/sheets/084/7/7C6.pdf When you look at the base diagram you are looking at the bottom of the tube. There is a round peg in the center with a small locating hump on it. As you look at the bottom the pin to the left of that small hump is #1 Counting clockwise around the last pin will be #8 just to the right of the small hump.
On the diagram that hump is noted by an arrow.

<Your pot isn't wired properly as per the diagram. The terminal to the right should be connected to the chassis. the next one <should have a .01 going back to pin 3 of the 7C6. The terminal to the left should be connected to .01 cap that goes to the <junction of two 470k resistors and a 100uufd cap. Double check your wiring and report back.
<Terry
< Looks like you've got a short where the .01 is connected to the terminal strip.
If your amp is working you should be able to touch pin 3(input to the amp) of the 7C6 and it should make a loud buzz.
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
#17

OK As I suspected, My Volume pot was wired correctly, as when I re-capped it, I did it one at a time, exactly like they came off. What I did find though is when I soldered the cap on the center lug, Some solder dropped down and was shorting the center lug to case causing the volume pot not to respond. As soon as I cleared the solder off, Voila.......I now have volume. Thanks for all the suggestions. Much appreciated.

Jerry Gatewood
Philco 41-280 (121)
#18

Great new Jerry! Glad you got it going again. Some of those "simple" things can drive you nutz! You beat me to the punch, I was going to drop you a PM to see how you where making out.
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
#19

Yes, what a Rookie Mistake. I just got it down in my shop last night where I could hear a faint tone out of the speaker and that is what caused me to look in that direction. All to do now is to get the escutcheon plate and new knobs and she will be good to go. Thanks again for the help guys. Icon_clap

Jerry Gatewood
Philco 41-280 (121)




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco 89B code 123 newbie
Getting started on my first Philco here, done some research and hopefully I now know enough to be dangerous.  :) Overal...Kurt P — 01:44 AM
Delco car radio Peko vibrator converstion issues
Richard, I reviewed the Panasonic specification sheets for this type capacitor and though dV/dt is discussed, there a...Chas — 11:48 AM
Philco Shipping Crate
I picked up a nice set of KLH 20 speakers ca 1980, for $40, and a Telefunken 5083W "Allegro" AM FM SW radio, a...MrFixr55 — 10:52 AM
Philco Model 71B
Absolutely looking at replacing the arch veneer and sides. Good luck stripping the front face ... hope the paint hasn't...GarySP — 10:31 AM
1953 Music Masters 620-9 Australian Radio Restore
That's a very interesting radio Buzz. Looking forward to more installments on this one!Eliot Ness — 10:31 AM
Philco Model 71B
OOPs, Dumb me. The title of the post is Model 71B. DUH!! Yes, the 71 uses an autodyne detector, but it is more like t...MrFixr55 — 10:21 AM
Philco Model 71B
Give us a pic or two of the back and such to make a better assessment of it.  So far I'm kinda liking it as it but the s...Radioroslyn — 10:02 AM
Delco car radio Peko vibrator converstion issues
Is the can somehow grounded?morzh — 07:04 AM
Philco Shipping Crate
??? what?morzh — 07:03 AM
Philco Shipping Crate
We also use these crates to ship different types of artwork. I fully recommend them for art crating.Pop Alexandra — 06:17 AM

[-]
Who's Online
There are currently 1879 online users. [Complete List]
» 2 Member(s) | 1877 Guest(s)
AvatarAvatar

>