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by Xfactor
Fri Dec 11, 2015 1:10 am
Forum: DSO138
Topic: DSO138 troubleshooting - No AV- (no trace)
Replies: 97
Views: 279023

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

So my screen seems to be working, it boot and all and the buttons work but there is no trace. I followed the guide in the OP of this thread, everything is fine up to step four, but the voltage on the diode is wrong - about 8,1V on the negative side and less than a volt on the positive side. I have t...