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

Alignment on a 38-12
#1
Tongue 

Hi everyone ! Hope all are well today. I recently recapped capped a 38-12 , tested and checked tubes and resistors. It was dead when I got it. It fired up but I could only get one station in (620). So I didi an alignment but still the same. Thank you for your help .

David
#2

Might want to take a close look at the tuner, looking for a bent blade or trash between the blades. Please be careful blades can easily damaged guess how I know that one. David
#3

Hi DavidH, welcome to the Phorum!  Sounds like you've checked all the obvious things but there are some experienced folks who may chime in.
#4

Never worked on a 38-12 just tossing this out. Did you check the coils for any opens?
#5

Also, in my 38-15, which is the same radio with a SW scale, the first tube is 6A7 and it is often enough acts funny when getting old. Mine decided not to work on half the SW scale. And not it is only the oscillator but also the RF amp, so if it is weak (and they are more often than not have very weak triode section while the generator section is fine) the sensitivity goes.

Plus what others said.




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Need Help to ID this radio 11 tube Philco
Welcome, the radio looks intimating 11 tubes, wish you well.Jimradio — 07:49 AM
462ron
Hi Dan, it’s been 10 years since I restored the electronics on my 37-116 so I’m going on some foggy memories. I remember...462ron — 07:37 AM
Need Help to ID this radio 11 tube Philco
Yes the 16B as morzh pointed out. Specifically its the January 1935 model version of the 16B. There are a couple earli...klondike98 — 11:51 PM
48-482 rear panel help
Welcome to the Phorum, keithchip! How far you take a radio on cabinet restoration is a matter of personal preference. ...GarySP — 11:28 PM
48-482 rear panel help
I've recently finished the internal restoration of a locally purchased Philco 48-482. The cabinet is in ok shape except ...keithchip — 10:28 PM
Need Help to ID this radio 11 tube Philco
Welcome to the Phorum, Ken! Lots of help here for all of your restoration questions. Take care and BE HEALTHY! - Gar...GarySP — 07:59 PM
Need Help to ID this radio 11 tube Philco
Thank you. I went to your online library and found 2 schematics. I will download and compare to components!Ken D. — 06:31 PM
Need Help to ID this radio 11 tube Philco
It is a 16B tombstone.morzh — 06:13 PM
Zenith H725
David - sorry, I reread your post and finally saw THD - now the % figures make sense. Thanks for explaining. The PSU...EdHolland — 06:06 PM
Need Help to ID this radio 11 tube Philco
Hi Everyone, New member but have been reading this for awhile for tips! Vaccum tubes were before my time so bear with ...Ken D. — 06:03 PM

[-]
Who's Online
There are currently 306 online users. [Complete List]
» 2 Member(s) | 304 Guest(s)
AvatarAvatar

>