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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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ultrasonic cleaner not working
I'm attempting to bring my Bulova model TR250 ultrasonic watchmaster
cleaner back into service. I have found two rectifier diodes blown, along with the circuit protection fuse. The wafer transducer is epoxied to the the tank, and I am not sure how to go about testing for problems. It appears to be solidly mounted to the tank with no visible fractures to the epoxy joint. However, I suspect there is a problem with it, as it has lost its cleaning abilities. This model seems t have been made in the mid '80s. Thanks for your help! |
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