Search found 2 matches

by Francis
Sat Jun 16, 2018 3:26 pm
Forum: DSO Shell
Topic: FAQ, Tips, and Troubleshooting [Updated Oct. 11, 2017]
Replies: 13
Views: 100100

Re: FAQ, Tips, and Troubleshooting [Updated Oct. 11, 2017]

Finaly,
I just strapped the grounds between the two PCB's, and now it does work fine.
The problem was due probably to a ground plane error in the multi-layer PCB.
Regards
by Francis
Sat Jun 16, 2018 7:25 am
Forum: DSO Shell
Topic: FAQ, Tips, and Troubleshooting [Updated Oct. 11, 2017]
Replies: 13
Views: 100100

Re: FAQ, Tips, and Troubleshooting [Updated Oct. 11, 2017]

Hello, After powering the DSO , the rotary encoder does not do any effect on the display. I checked the circuit according to the schematics (Fig. 6 upper in this section), and found all the connexions OK between J2 , R5-R6-R7 and DB0-DB1-DB3, BUT the grounding of the small PCB is not directly connec...