[sdiy] tube phono (a little OT)

[epeasant at telusplanet.net]

Most likely the power supply filter capacitor is worn out/gone open. Replace
it.

Take care,
Doug

______________________
The Electronic Peasant

www.electronicpeasant.com


>A friend and I are trying to repair an old tube phonograph with a built in

>speaker.  It hums loud!  Sounds to me like a grounding problem... The hum
>doesn't change volume when you turn the volume pot.  I do ok with analog
>synth DIY and troubleshooting, repairs as well.  Any suggestions? Am I in
>over my head with this one?
>