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- Sun Jan 10, 2016 9:41 pm
- Forum: DSO138
- Topic: DSO138 troubleshooting - No AV- (no trace)
- Replies: 97
- Views: 278064
Re: DSO138 troubleshooting - No AV- (no trace)
Hi all, i'm having the ame issue, no trace and wrong AV-, it's about 0.66V. So I followed the steps listed before: Power = 8.7V 1)0.8V 2)-1.8V 3)Vc2 = 7.16V Bv1 = 7.13V which are a bit off of what it expected but may be okay 4)D1(-) = 0.002V D1(+) = 0.166V From step 4(included) onwards everything go...