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Re: power suply bob4

Posted: Mon Jun 04, 2018 5:28 am
by stromar
Where can i get this Calibrating C5 and C3. On forum. I loked i didnt found it.

Can you post a link.

Thanks.

Re: power suply bob4

Posted: Mon Jun 04, 2018 5:47 am
by stromar
I loket at the bord, on my bord there is place for c3 but fizicaly c3 condenser s not there what this mean. There is empty space on that place.

What now?

Re: power suply bob4

Posted: Mon Jun 04, 2018 5:56 am
by stromar
viewtopic.php?f=19&t=1108

( is this taht post you wont to llook)

Re: power suply bob4

Posted: Mon Jun 04, 2018 6:04 am
by stromar
I have
C6 1pF value of capacitor
C4 3pF value capacitor

can i change C4 ( as changing C6) capacitor for 2 pf or 4 pf, becose i dont ow if femto farad capacitors exsist?

Re: power suply bob4

Posted: Tue Jun 05, 2018 1:22 am
by jye1
This is the link

viewtopic.php?f=19&t=1108

Please note that the reference number for the capacitors are not the same for DSO068 and DSO Shell. You need to compare their schematics.

Re: power suply bob4

Posted: Sat Aug 04, 2018 12:26 pm
by stromar
I got from you new bob 3 board and i soldered it on the main board.
Vbus 5.07
V+ 4.901
Bob3 in 4.901
Bob out 0.000

Ok what now this is realy disturbing becose we changed bob3 board and now the same shit

Jp2 is open if i close jp2 then everthong is working

What now