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- Fri Mar 18, 2016 4:03 pm
- Forum: DSO138
- Topic: DSO138 troubleshooting - No AV- (no trace)
- Replies: 97
- Views: 278198
Re: DSO138 troubleshooting - No AV- (no trace)
Want to share my experience in troubleshooting DSO 138. There was no (-5V), it was +0.67 V instead. Screen was white, and no LED blinking. After several hours troubleshooting I found a reason. Inductance L4 was faulty. When tested it showed very high resistance. After I replaced it with good inducta...