[sdiy] OT: Oscilloscope repair, Hameg HM303

[Ingo Debus]

Am 13.04.2006 um 08:53 schrieb Hermann-Simon Lichte:

> Today I happened to pick up an old Hameg HM303 scope from uni. The  
> guy from the lab told me that it was not working properly.  
> Something is wrong with the high voltage circuitry. The high  
> voltage is not generated anymore. He also told me that it could be  
> repaired, but he wouldn't do it due to lack of time. Has anyone in  
> here ever done such a thing (i.e., fixing a broken scope  
> themselves)? And if so, is it worth it?
>

Yes, once the HV in my old Hameg HM412 didn't work anymore. The  
problem was the mains transformer.

Ingo