Hey all ,
Well the power supply schema is similar to 2215, pretty much any
22XX .
when i turn on the scope it makes high pitches noise in a rate of
about one sec , tsk.....tsk.....tsk....
the line filter is ok , diode bridge is good .
what could be the problem ? something shorts the PS .
Well the power supply schema is similar to 2215, pretty much any
22XX .
when i turn on the scope it makes high pitches noise in a rate of
about one sec , tsk.....tsk.....tsk....
the line filter is ok , diode bridge is good .
what could be the problem ? something shorts the PS .