Problem with Crotech 3035 scope
It's very old. Perhaps 20 years and is single beam.
Anyway, sometimes when I turn the timebase, the trace becomes bright, thick and fuzzy, with a width of say 4mm. When the time base is below 100ms/div, it alternates between thickness and thiness. The input signal can still be seen however. If I turn it on after a few weeks, the fuzziness may still be there. But then it may suddenly revert to normal and whan I next power it up, it's still normal. What might be wrong and does anyone have a service manual that came with it but I lost? Regards, Funky |
Problem with Crotech 3035 scope
"Funky" wrote in message ... It's very old. Perhaps 20 years and is single beam. Anyway, sometimes when I turn the timebase, the trace becomes bright, thick and fuzzy, with a width of say 4mm. When the time base is below 100ms/div, it alternates between thickness and thiness. The input signal can still be seen however. If I turn it on after a few weeks, the fuzziness may still be there. But then it may suddenly revert to normal and whan I next power it up, it's still normal. What might be wrong and does anyone have a service manual that came with it but I lost? Regards, Funky I have a manual for the 3036 maybe a dual version of the 3035 e-mail (removing .....) electronic hints and repair briefs , schematics/manuals list on http://homepages.tcp.co.uk/~diverse Nigel,Diverse Devices,Southampton,England |
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