SDG1025 voltage adjustment/vpp issue

[pawel5870]

My SDG1025 has issue to adjust voltage and I'm trying to fix it. It's change voltage when relay switching it, but there is no smooth volatage change (only tree voltage levels). I wondering if it can be U72 DAC. There is T1 test point, does anyone can say or check if vpp adjustment should be see on this test point, on my is no reaction a the is weird constant wave on T1 and it's not change whenever I change wave, voltage or frequency. I U72 output should react on voltage adjustment, it means U72 is faulty.

[tautech]

My SDG1025 has issue to adjust voltage and I'm trying to fix it. It's change voltage when relay switching it, but there is no smooth volatage change (only tree voltage levels). I wondering if it can be U72 DAC. There is T1 test point, does anyone can say or check if vpp adjustment should be see on this test point, on my is no reaction a the is weird constant wave on T1 and it's not change whenever I change wave, voltage or frequency. I U72 output should react on voltage adjustment, it means U72 is faulty.

Welcome to the forum.

See the SDG800 and SDG1000 thread for info on repairing these models:
https://www.eevblog.com/forum/testgear/the-sdg1000-and-sdg800-thread/