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
Intermittant hum
lasurveyor
Member
***
Posts: 90
Threads: 32
Joined: Oct 2011
City: Nipomo State, Province, Country: CA
#1

10-31-2018, 11:45 PM
Hi y'all, hope that you can give me some direction. I have a Philco 46-1203 radio/record player that I re-capped several years ago. It's played great for me, but recently a bad hum has begun intermittantly, both in the radio and record player. Playing with switches, the on/off on the turntable, the front on/off or the tone knob can get rid of it for some seconds then it's back. After the set warms up, about 20 minutes, the hum is gone and it plays fine after that. 

Could you give me some starting points to look? 
Thanks,
Alan
Find
« Next Oldest | Next Newest »
Thread Closed


Messages In This Thread
Intermittant hum - by lasurveyor - 10-31-2018, 11:45 PM
RE: Intermittant hum - by morzh - 11-01-2018, 08:03 AM
RE: Intermittant hum - by lasurveyor - 11-01-2018, 11:44 AM
RE: Intermittant hum - by Phlogiston - 11-01-2018, 01:52 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Zenith H725
I just remembered, I have some hi temp silicone rubber material which could do the trick. Or a piece of FR4 laminate. Th...EdHolland — 08:39 PM
Zenith H725
The PSU filter cap arrived today (thank you USPS!) so I will work on that later. Meanwhile, I have the dial, speaker...EdHolland — 06:42 PM
Philco 610B oscillator wiring
Thanks Terry. After checking my notes I think I recorded about -10v at the 6A7 G4/control grid. The screen grid (G3 &...Tubester — 05:59 PM
The list of my radio & TV collection!
Magical chords of forgotten melodies, old nostalgic music on an old radio... Saturday night blues on the Mid-Waves on an...RadioSvit — 12:20 PM
Philco 42-345 Restoration/Repair
Thank you MrFixr55 the issue with this radio is that the internal coil antenna is missing and there was a wire in its pl...osanders0311 — 11:34 AM
Philco 610B oscillator wiring
Regarding the oscillator circuit which is comprised of the 6A7's cathode, control grid, and screen grid. These elements ...Radioroslyn — 10:33 AM
Philco 42-345 Restoration/Repair
Hi OSanders, First off, welcome to the Philco Phorum where Phine Phamily-Phriendly Pholks Phull of Philco Phacts and P...MrFixr55 — 08:41 AM
Philco 42-345 Restoration/Repair
Today I've been reading through the site trying to learn more about this radio. I also soldered the lose power cord cabl...osanders0311 — 08:24 PM
Philco 610B oscillator wiring
Thanks David! I do have that same later prodution model 610 schematic. I've also studied the Philco service bulletins fo...Tubester — 08:12 PM
Philco 610B oscillator wiring
Some info from Beitmans says late production. David   David — 06:06 PM

[-]
Who's Online
There are currently 2501 online users. [Complete List]
» 2 Member(s) | 2499 Guest(s)
AvatarAvatar

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