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

Stewart-Warner A72T3
#14

It's been while since I worked on this radio.

I checked all the tubes again and they tested all ok. So I started checking all the circuits to make sure everything was correct when I noticed two plates were touching on the tuning condenser. After I straighten out the plates the FM works but only getting two stations. The two stations come in strong but only two.

I also noticed when I turn on the radio the bulb gets very bright then dims down. I measured the voltage at the bulb and its 2.9 V

Schematic is up in the very 1st post


Messages In This Thread
Stewart-Warner A72T3 - by Masonparker - 07-23-2022, 01:32 PM
RE: Stewart-Warner A72T3 - by Paul Philco322 - 07-23-2022, 01:45 PM
RE: Stewart-Warner A72T3 - by David - 07-23-2022, 04:54 PM
RE: Stewart-Warner A72T3 - by RodB - 07-23-2022, 05:30 PM
RE: Stewart-Warner A72T3 - by morzh - 07-23-2022, 07:27 PM
RE: Stewart-Warner A72T3 - by Masonparker - 07-23-2022, 08:33 PM
RE: Stewart-Warner A72T3 - by Radioroslyn - 07-23-2022, 08:56 PM
RE: Stewart-Warner A72T3 - by David - 07-23-2022, 09:17 PM
RE: Stewart-Warner A72T3 - by MrFixr55 - 07-23-2022, 09:22 PM
RE: Stewart-Warner A72T3 - by Masonparker - 07-24-2022, 06:54 AM
RE: Stewart-Warner A72T3 - by morzh - 07-24-2022, 10:19 AM
RE: Stewart-Warner A72T3 - by Masonparker - 07-29-2022, 04:19 PM
RE: Stewart-Warner A72T3 - by Radioroslyn - 07-30-2022, 08:01 AM
RE: Stewart-Warner A72T3 - by Masonparker - 11-29-2022, 10:07 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco 42-345 Restoration/Repair
Yes, 57 is an electrolytic cap that should be 12 mfd 400 volts according to the parts list from the Phorum library schem...RodB — 06:01 PM
Philco 42-345 Restoration/Repair
Looks like if I am reading it correctly it looks like the silver capacitor#57 that appears to be a replacement is of a l...osanders0311 — 05:09 PM
Philco model 38 code 121 not receiving signal.
Thanks Arran. Yeah this plastic is pretty thin. It's a little thinner than the original stuff. It kinda reminds me of p...Stormlord5500 — 04:37 PM
Testing a speaker and output transformer Trutone A2-G
The equivalent of one short turn is basically the same as that of a shorted load. If it is the primary's turn, then the ...morzh — 03:53 PM
Testing a speaker and output transformer Trutone A2-G
I've never had an output transformer become shorted, the failure mode is usually an open primary, or in a center tapped ...Arran — 03:52 PM
Philco model 38 code 121 not receiving signal.
As long as the plastic sheeting isn't too thick, I think that the thickness of photographic film would be just about rig...Arran — 03:19 PM
Philco model 38 code 121 not receiving signal.
Well why not! :lol:Stormlord5500 — 03:14 PM
Philco model 38 code 121 not receiving signal.
Good luck next thing you know you will be winding coils just for the fun of it. DavidDavid — 11:29 AM
Testing a speaker and output transformer Trutone A2-G
morzh Short-circuited turns can be considered as a half-dead transformer. But on this case transformer will hot and s...Vlad95 — 11:01 AM
Testing a speaker and output transformer Trutone A2-G
I am not sure how a transformer could be weak. It could be inadequate, but only when you replace the original with somet...morzh — 09:56 AM

[-]
Who's Online
There are currently 2215 online users. [Complete List]
» 2 Member(s) | 2213 Guest(s)
AvatarAvatar

>