Search found 2 matches

by brod
Sat Dec 24, 2016 3:58 pm
Forum: DSO138
Topic: DSO138 troubleshooting - No AV- (no trace)
Replies: 97
Views: 277690

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

Hi do you sell spare parts as I think my L2 power inductor is suspect?
If not where can I source one?
Cheers
by brod
Thu Dec 22, 2016 8:02 pm
Forum: DSO138
Topic: DSO138 troubleshooting - No AV- (no trace)
Replies: 97
Views: 277690

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

HI I am having trouble as well with the trace on my DSO138. The trace looks like it has flat lined at the top of the screen. I am getting 2.88v at v1, 3.38v at v2, .78 at v3 and 1.56 at tlvl. 0.66v at av-, 4.96v at av+, 3.23v at +3.3v and 5.00v at +5v, v+ is 8.54. TP22 is 3.24v, TP25 is 0.58v. Any h...