Search found 2 matches

by Sergey
Wed Jan 18, 2017 12:55 pm
Forum: DSO 112 & 112A (Coral)
Topic: DSO112A vertical deflection and voltage measurement error
Replies: 2
Views: 9020

Re: DSO112A vertical deflection and voltage measurement erro

Hello. Thanks for your reply. I tried all of that -- no success, the problem remains. In case it cannot be fixed fast and locally I'll ask the seller to send me another one but before I do that please let me know if there is anything I can do myself. For some reason I cannot open schematic diagram d...
by Sergey
Sun Jan 15, 2017 7:07 pm
Forum: DSO 112 & 112A (Coral)
Topic: DSO112A vertical deflection and voltage measurement error
Replies: 2
Views: 9020

DSO112A vertical deflection and voltage measurement error

Dear JYE-Tech support team! I bought a new DSO112A (FW 113-11201-211) from eBay, it works generally fine but when input terminals are shorted (input voltage is zero) or with coupling set to GND after clicking Vpos cal. button the yellow marker at the left side of the screen comes to zero voltage axi...