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- Fri Aug 11, 2017 7:20 am
- Forum: DSO138
- Topic: DSO138 troubleshooting - No AV- (no trace)
- Replies: 97
- Views: 276666
Re: DSO138 troubleshooting - No AV- (no trace)
Hello! I have the "no trace" problem with my DSO138. Unfortunately the other trobleshooting-steps did not solve my problem. I checked all soldering points many times & resoldered some of the components (& changed Q1). My input voltage is 9,4V (as voltage reference in manual) I get ...