I feel a need to share an update on the ZW repair I got in April. Two weeks ago, one of the rebuilt whistle controls quit; I confirmed that one of the 45V-8A diodes failed. It was working one day, and the next day the whistle control would not work. I've since replaced both diodes with the 1N1190AR stud diodes which I expect to put an end to this story. Now that I've done it, it's super easy with Tranz4mer's ZW diode page -- excellent documentation!
|