Products > Test Equipment
BK2190E Oscilloscope Stay in the on screen.
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E_Sosa:
Hello Everybody

I work in a school and we have 3 BK2190 oscilloscopes that stay stuck in the on-screen. Is there a way to update the firmware or apply an hardware reset?

I found this post https://www.eevblog.com/forum/repair/bk-precision-2190e-stuck-in-boot-screen/msg3647065/#msg3647065
but it doesn´t work for me.

Can somebody help me please?
tautech:

--- Quote from: E_Sosa on September 08, 2022, 11:53:21 pm ---Hello Everybody

I work in a school and we have 3 BK2190 oscilloscopes that stay stuck in the on-screen. Is there a way to update the firmware or apply an hardware reset?

I found this post https://www.eevblog.com/forum/repair/bk-precision-2190e-stuck-in-boot-screen/msg3647065/#msg3647065
but it doesn´t work for me.

Can somebody help me please?

--- End quote ---
Only with the recovery package listed in that thread.
Read, understand and follow the PDF instructions exactly.

2190E is a SDS1102CNL+ but at glance the BK recovery package appears identical to the CNL+ one from Siglent.
Getting the USB stick configured correctly and it being 8GB or smaller is of highest importance for the recovery process to work.
Try several 8GB or smaller USB sticks until you find the one that works. Those with an activity LED are most useful to see the files are being transferred over.

There is also this:
https://siglentna.com/operating-tip/oscilloscope-hardware-reset/

E_Sosa:
Thanks for your reply.

I have formatted the usb in FAT32 mode and pasted the 3 files in the root, my usb is 1GB but hasn't LED. I'll try with another one.
E_Sosa:
Bad news!

The USB doesn't turn the LED on.

I think the oscilloscopes are beyond repair!
tautech:

--- Quote from: E_Sosa on September 09, 2022, 11:26:03 pm ---Bad news!

The USB doesn't turn the LED on.

I think the oscilloscopes are beyond repair!

--- End quote ---
Maybe not, we have some other tools.
When I have some spare time I can contact you to get your email and we'll try another line of attack !
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