Since Eric opened a can of worms on the 15gp22..LOL..I have a dud 15gp22 in the basement,i also sold my ct-100 last year to a guy in france.(working).
so i called this place that says they can rebuild the 15gp22 and others.
A lady who answered the phone took my name and number down and are suppose to call back,i will let you all know what is what.!
terry