"majortom" wrote in
oups.com:

Did ya try cleaning the lens of the optical assembly?? Might help.
If it gets used & abused quite often, it ( the optics assembly) might
be wearing out
mechanically, causing poor tracking. If that's the case I'd start
searching
Flea Bay for a replacement.

Bill


Yes, tried that. Searching epay now for a bargain replacement.

Cheers
Tim