mystery

Hi guys, Reaching out for the forum's expertise because I have a mysterious Lasonic that I couldn't find much about other than on this thread from here five years ago. https://boomboxery.com/forum/threads/the-rarest-lasonic-of-all.25716/ It's exactly the same model - huge karaoke machine -...

I'm servicing my tape deck- just attempting to reassemble (first time I've done this, so the going's slow). I was holding it so that the capstan pulley side was facing down and this tiny brass piece fell into my hand. Can't see anywhere obvious that it came from- can anyone help? The piece...