Greetings, and thanks for letting me join.
Working on a very old MXR Distortion + stomp switch died & added 9v power supply jack. It works, & looks good on the 'scope - but severe squealing. Could it be one of those little 1nf tantalum caps?
Working on a very old MXR Distortion + stomp switch died & added 9v power supply jack. It works, & looks good on the 'scope - but severe squealing. Could it be one of those little 1nf tantalum caps?