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- Thu Oct 01, 2015 8:04 pm
- Forum: DSO138
- Topic: DSO138 troubleshooting - No AV- (no trace)
- Replies: 97
- Views: 281439
Re: DSO138 troubleshooting - No AV- (no trace)
Hi All, I appreciate your suggestions for a lot of problems. I suddenly have had a mafunction on my DSO138: it was well working till yesterday. The problerm is this: 1) white screen 2) detaching screen PCB TP22 (3.3V) is only 0.7-0.8 V 3) opening JP4 3.3V reappears fine (on regulator of 3.3V), clos...