Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

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

Philco 16B Shoulder Tombstone reception problem
#1

Hi All,

I just recapped this radio and it plays, but does not have much volume and has a little static. This occurs with or w/o the antenna wire hooked up to the clip in the rear of the chassis. (Usually when I connect the antenna to any radio, It receives stations much louder and clearer.) When I touch the 1det (77) tube with the tip of my soldering iron, it plays loud and clear the way I would expect it to play after hooking up the antenna wire.

I checked the antenna coils before the RF amp and they are showing continuity as well as the coil before the 1 det. No opens. Going back and touching the plate of the 78 and either side of the 110 mmf capacitor with the iron just prior to the 77 tube gets great reception as well. I am not sure what to troubleshoot from here. I know the problem must be prior to this 110 mmf capacitor, but have no idea where. Any help would be appreciated.

Thanks,

Steve
#2

Sounds like an alignment problem. Check your rf then your if coils for proper adjustment.
Terry
ps just looked at the diagram, check for plate and screen grid voltage on your rf amp tube.

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
#3

Thanks Terry for your input. IThe voltages were very low and it turned out to be an open resistor between the kathode to ground on the 78 tube. It's playng well now.
Steve
#4

That's great that it was an "easy" fix! The next suggestion was going to be the band switch (NO FUN AT ALL!!)
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




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
A Marconi model 86
Dan; I've seen some Marconi sets like that before, one was a console though I'm not sure if it was a model 86. It's a...Arran — 05:09 PM
An attempt to remove the Field Coil from a G speaker
Milkjug plastic? Whatever is chosen for the spider, the material must be compatible with popular adhesives... Th...Chas — 05:05 PM
An attempt to remove the Field Coil from a G speaker
Mike; I would not use plastic from a milk jug for a spider, first it's polyethylene/polypropylene which resists most ...Arran — 04:56 PM
Philco model 60
This is my thread on 60 from 2016. I had to rewind the osc coil, and I actually counted the turns and then rewound i...morzh — 03:34 PM
Philco model 60
Yes, Mark belongs to the same Michigan Antique Radio Club that I do. I suspect that the oscillator coil is in need of a ...Radios1340 — 03:10 PM
A Marconi model 86
Yeah. I am dreading the thought of what to do with all my consoles when I will no longer be able to move them around. I...morzh — 02:51 PM
1947 Silvertone 7086 Wire Recorder/Phono/Radio on YouTube
Cool gadget, Buzz. I took me a couple of second to undestand that that oscillating thing makes the wire to spool correc...morzh — 02:50 PM
A Marconi model 86
My back hurts already, you could build a house with all the wood. PaulPaul Philco322 — 02:49 PM
1947 Silvertone 7086 Wire Recorder/Phono/Radio on YouTube
Part 4 of this series now uploaded link below to anyone interested Buzz — 02:39 PM
Philco model 60
Welcome to the Phorum, Radios1340!  The oscillator coil on the 60 is a common culprit.  I just bought a 60B (June 1934) ...GarySP — 02:33 PM

[-]
Who's Online
There are currently 7497 online users. [Complete List]
» 3 Member(s) | 7494 Guest(s)
AvatarAvatarAvatar

>