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

40-216 restoration questions
#61

I try not to touch these at all, and when I find the insulation is cracked, if it is not crumbling badly, I just put heatshrinkable tubing over.

People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
#62

Does anyone sell new bushings for the tuner?

They look similar to renovatedradios "t01" part for Hippo radio but may not be as long. It's the closest I can find so may just have to try.

[Image: https://i.imgur.com/UnvN1y1.jpg]

[Image: https://i.imgur.com/RZcku7p.jpg]

t01
http://www.renovatedradios.com/product.php?product=313
#63

Measure the old one carefully, and compare to Ed's (Renovated Radios) measurements for T01. You can always cut off excess rubber, but you can't easily add more on...

--
Ron Ramirez
Ferdinand IN
#64

There's one he sells for tuning caps for 37-116 and likes. Could just fit.

People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
#65

On my 116's I've used 2 rubber grommets from the hardware store per bolt/sleeve. One is 7/16" od and fits the hole in the chassis. the other is 5/16" od w/a 3/16 hole for the sleeve to fit thru. Cut the small grommet in half putting one half on top and the other on the bottom of the larger grommet.

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
#66

Does this wire even show on the schematic?

Gimmick?

[Image: https://i.imgur.com/xlXxZ0N.jpg]
#67

Yup it's a gimmick cap to add a bit of osc signal into the mixer.

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
#68

Just for fun here is the stepping unit in action today.

I have the remote but am just now starting to work on it.

This video shows it in action triggered by my sig gen.

https://www.youtube.com/watch?v=SL5f5hAWVsQ
#69

So what is the best red jewel to get these days for the On light?
#70

So restoration is complete but I am seeing one strange thing going on.

I can fire the unit up and have it set to a known freq. When the audio comes up it seems fine but then about 2 minutes later I get a POP and then it all comes up louder.

I know I have at least one weak tube.

What would make the POP and everything come up louder at the same time?

Once it's warmed up it's fine.

THoughts?
#71

More than likely one of the tubes has a slight internal short that clears as the tube gets hot.

Gregb
#72

I'll have to work on getting some replacement tubes at some point. Icon_smile




Users browsing this thread:
[-]
Recent Posts
Zenith H725
David - I think I understand but what units are you discussing (Low of 1.7, high of 3.9)? Budget constraints for Ham ...EdHolland — 01:43 PM
My Philco 37-116 Restore
You're doing great. I wish I could be more involved, but my mind is right now preoccupied with the reason I am here in ...morzh — 12:21 PM
My Philco 37-116 Restore
Hope you guys are still with me. I have moved on to the alignment. I completed the IF alignment which was pretty muc...dconant — 10:47 AM
My Philco 37-116 Restore
Hello MrFixr55, Thank you for taking the time to explain. I measured 50 volts where you say. Today the 370 volts at ...dconant — 12:51 PM
462ron
Oh that sucks. It’s something easily overlooked. Hopefully it’s nothing more than a resistor! Ron462ron — 08:08 AM
Philco 46-480 Electronic Restoration
Just confirmed that you are correct. It’s the function generator. I connected the signal output probe to one of the inpu...jrblasde — 07:52 AM
Philco 46-480 Electronic Restoration
Ouch, you may be right. Yes, it is solid state. It’s the signal output of my oscilloscope. May be time to crack that ...jrblasde — 07:27 AM
462ron
If you didn’t put a DC blocking cap between the signal generator probe and the plate of the 1st IF it’s possible you ble...462ron — 07:07 AM
My Philco 37-116 Restore
Hi DConnant, The reason why C127 is isolated from ground is because sets of this vintage did not have the center tap...MrFixr55 — 01:07 AM
Philco 46-480 Electronic Restoration
The shield is on the 6H6. It was, in fact, a missing jumper to connect the main chassis ground to the RF chassis grou...jrblasde — 10:58 PM

[-]
Who's Online
There are currently 1026 online users. [Complete List]
» 1 Member(s) | 1025 Guest(s)
Avatar

>