On Tuesday, June 12, 2018 at 2:05:02 PM UTC-4, Eremita Analogico wrote:
https://s26.postimg.cc/9hwc9nr15/IMG_2473_1.jpg
Paolo:
A picture is truly worth 1,000 words, but a more complete description of the fault would be useful. And, in addition to the schematic, do you have the user-manual? This may be a set-up issue.
http://www.g7lwt.com/documents/advantest/ocr_r3361a.pdf
I know that 455 pages may be a struggle - but when in doubt, read the directions.
Good luck!
Peter Wieck
Melrose Park, PA