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54641D power supply problem

Question asked by imett on Jul 22, 2008
Latest reply on Jul 26, 2008 by imett
I've a 54641D scope but it doesn't power up, i think it is a bad power supply because when i push the start button i can hear only a little "zzz" and the fan doesn't starts.

Please help me with some suggestion or the schematics
Thanks in advance