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Hello Folks, oscillo DSOX2024A, suffering black screen after long inactivity (>1 year off). Suggestions?

Question asked by profesorcristobal on Jan 29, 2019
Latest reply on Jan 29, 2019 by glowitz

Oscilloscope stored in working conditions, and after long inactivity period denies to restart (Only black screen).


Internal visual inspection OK, all condensators OK, battery 3V OK, fan working, various power supplies checked OK (5v, 3.3v 1.2v 13v...). So, suggestions welcome to verify configuration or software troubles, any tip to follow starting sequence and trouble shooting? None repair manual on the net found...


Best regards, CA