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

Linear Mode
51-530 popping noise
RodB
Phorum Expert
*****
Posts: 1,125
Threads: 44
Joined: Feb 2015
City: Roseville, MN
#3

03-21-2023, 10:15 AM
I've had luck taking them out of the can, removing the mica caps from the circuit by lifting the spring loaded contact to each cap then solder in a 50-60pf cap to each winding. You have nothing to lose and it's not too difficult if you're careful and mark your trail. Pay attention to the position of the transformer primary and secondary inside the can and how it's mounted on the chassis.
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
51-530 popping noise - by mancave - 03-21-2023, 06:51 AM
RE: 51-530 popping noise - by radiorich - 03-21-2023, 08:04 AM
RE: 51-530 popping noise - by RodB - 03-21-2023, 10:15 AM
RE: 51-530 popping noise - by Arran - 03-23-2023, 01:16 PM
RE: 51-530 popping noise - by mancave - 03-23-2023, 03:05 PM
RE: 51-530 popping noise - by morzh - 03-23-2023, 04:18 PM
RE: 51-530 popping noise - by MrFixr55 - 03-24-2023, 09:03 AM
RE: 51-530 popping noise - by Ron Ramirez - 03-24-2023, 09:14 AM
RE: 51-530 popping noise - by Chas - 03-24-2023, 10:06 AM



Users browsing this thread: 1 Guest(s)
[-]
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 1058 online users. [Complete List]
» 3 Member(s) | 1055 Guest(s)
AvatarAvatarAvatar

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