diy_audio_tweaks : Message: Re: help requested to reduce/eliminate hummmmmm W/ CORRECT LINK TO PHOTO!

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help requested to reduce/eliminate hummmmmm

Message #1739 of 1768 |

Re: help requested to reduce/eliminate hummmmmm W/ CORRECT LINK TO PHOTO!

Sorry about posting the wrong photo for the inside of the record
player in question. This is the correct one (I hope...!)

http://s253.photobucket.com/albums/hh46/eidling/?action=view&current=singerinsid\
e.jpg

Thu Mar 27, 2008 6:48 pm

"witnerd40" <witnerd40@...>

Offline

Message #1739 of 1768 |

Expand Messages	Author	Sort by Date
I have recently brought a Singer portable record player, which uses AC current or batteries, back from the dead. The last thing I am hoping to do is eliminate...	witnerd40	Mar 27, 2008 5:21 pm
Sounds like a power supply filter cap has gone away. The schematic shows a connection for an external AC adapter, which presumably outputs a DC voltage....	Larry Owens lgo51	Mar 27, 2008 5:34 pm
Thanks - I will check that out. I know that while I was working on it I was using the AC adapter. I don't remember whether or not I ran it on batteries....	witnerd40	Mar 27, 2008 6:40 pm
Sorry about posting the wrong photo for the inside of the record player in question. This is the correct one (I hope...!) ...	witnerd40	Mar 27, 2008 6:48 pm
LarryO - I put in batteries and you were right no more hum, just a quiet background whooosssh. Unlikely a unit like this gets much more quiet than that! If...	witnerd40	Mar 28, 2008 2:59 am
I believe the trouble is in the AC adapter, not the main unit. You may want to try a substitute adapter. Cheers, LarryO...	Larry Owens lgo51	Mar 28, 2008 4:23 pm