With all due respect to Mr Thalmann, he did not repair my TT101, perhaps because my TT101 always worked properly when it was at Bill's shop in Virginia. That is to be expected when something is "intermittent".
JP fixed my TT101, and it still is working perfectly to this day. Do what JP says.
JP fixed my TT101, and it still is working perfectly to this day. Do what JP says.