My tektronix 2215 cro just packed up! It suddenly started making a hissing sound - which is coming from the high-voltage section in the'scope.
Any pointers as to what this might be, (where I can get a service manual) appreciated. ps I know it's a dangerious part of the circuit in which to work.
Yes I know - and I've already obtained a manual for the scope. I was hoping maybe some clues about the fault itself.
Insulation breakdown in the HT transformer perhaps.
Graham
Sound like a capacitor lost it's magic smoke.
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