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by efifi
Fri Apr 15, 2016 3:08 am
Forum: DSO138
Topic: DSO138 troubleshooting - No AV- (no trace)
Replies: 97
Views: 279234

Re: DSO138 troubleshooting - No AV- (no trace)

Hi there - i need some help I have power, i have a loading screen and a display - however no wave signal. Here is what i got when i followed the instructions It is assumed that power supply is good and V+ has a value near 9V. This is reasonable since the digital portion of scope has already been wor...