One of the power supplies on our instrument has burnt out. It appears to be a sealed unit. Does anyone know if they are repairable? Any and all advice too help find a cheap replacement will be appreciated (ie does anyone have a mothballed instrument that can be used as a source of parts). Kym Kym Francis Faull, Ph.D. Director, Pasarow Mass Spectrometry Laboratory Jane and Terry Semel Institute for Neuroscience and Human Behavior at UCLA Professor Emeritus on Recall, Department of Psychiatry and Biobehavioral Sciences David Geffen School of Medicine at UCLA Telephone: (310) 206 7881 (office) Telephone: (310) 206 7886 (laboratory) Facsimile: (310) 206 2161 Electronic mail: <email obscured> <email obscured>>