rakunann444 Posted October 21, 2021 Share Posted October 21, 2021 (edited) Hello, Because of my carelessness, I broke Scope 1 by 100V overvoltage.(Scope 2 is alive.) Can I fix it by replacing the ADG612, which is the "Scope Input Divider and Gain Selection IC"? Thanks, rakunann444 Edited October 22, 2021 by rakunann444 Link to comment Share on other sites More sharing options...
0 JColvin Posted October 21, 2021 Share Posted October 21, 2021 Hi @rakunann444, I have moved your question to a more appropriate section of the forum where the engineer much more familiar with the Analog Discovery 2 hardware will be able to see and respond to your question. In the meantime, I would recommend taking a look at this thread (as well as the other threads linked within it) for some troubleshooting options that you have regarding this. Thanks, JColvin Link to comment Share on other sites More sharing options...
0 rakunann444 Posted October 22, 2021 Author Share Posted October 22, 2021 Hi @JColvin, Thank you for your reply and moving question's section. I'll take a look at the thread you gave me and other threads. Thanks, rakunann444 Link to comment Share on other sites More sharing options...
0 attila Posted October 22, 2021 Share Posted October 22, 2021 Hi @rakunann444 Here you can find the layout and more info: Link to comment Share on other sites More sharing options...
0 rakunann444 Posted October 23, 2021 Author Share Posted October 23, 2021 (edited) Hi @attila, Thank you for sharing the thread. I'm surprised to see the exact same case. I checked VREF and VOFF, - VREF1 and 2 were both 2.0V - VOFF1 and 2 were: when 0V offset, both 2V when +2V offset with 500mV/div range, both 3V when -2V offset with 500mV/div range, both 1V (To be exact, when -2.5V offset, "Channel 1 range will be extended" was displayed, so I set it to -2V.) Secondly, I did "Load factory" and checked calibration is not changed. I'm going to buy and replace ADG612. I'll contact you afterwards. Thanks, rakunann444 Edited October 23, 2021 by rakunann444 attila 1 Link to comment Share on other sites More sharing options...
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rakunann444
Hello,
Because of my carelessness, I broke Scope 1 by 100V overvoltage.(Scope 2 is alive.)
Can I fix it by replacing the ADG612, which is the "Scope Input Divider and Gain Selection IC"?
Thanks,
Edited by rakunann444rakunann444
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