Products > Test Equipment

DPO3000 Hacks

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darkstar49:
That info is at the beginning of the thread…
What’s the point changing the serial ? Do you expect to fool Tek in case you’d use their servicing ?
I’d be careful doing that… the instrument Id, which is if I remember well, derived from the serial, and is used to compute option keys… and I’m’pretty sure the instrument Id is stored at several places, either in the NVRAM, on the file system (flash), or both… and I wouldn’t be too confident that the call to alter the serial will update everything as it should…

ebastler:

--- Quote from: OYAZI on August 15, 2022, 01:32:22 am ---Does anyone know the way to change s/n?

--- End quote ---

Did you steal your scope or do you plan to use it to commit a crime?  ::)

OYAZI:
There is DPO3000 which damaged physically and there is other DPO3000 to which the mainboard is failed.
Don't you think to replace a mainboard with other machines?

ebastler:
No worries, I was just kidding.

If my scope needed repair via a new (used) mainboard, I would not mind if it ended up with a different serial number in firmware vs. the stricker on the enclosure. Same as with an engine swap on a car, I guess. And as others have said, it is probably not so easy to change the serial number.

analogRF:

--- Quote from: ebastler on August 17, 2022, 05:46:46 am ---No worries, I was just kidding.

If my scope needed repair via a new (used) mainboard, I would not mind if it ended up with a different serial number in firmware vs. the stricker on the enclosure. Same as with an engine swap on a car, I guess. And as others have said, it is probably not so easy to change the serial number.

--- End quote ---
but it will be an issue if you decide to sell the scope (or the car)

Changing the SN is easy to do either with SCPI or through the UART. But I have a bigger problem at hand which I hope someone can shed some light on

I have had this DPO3054 for about 2 years with a cooked front end board (TEK calls it attenuator board). The FPGA on the attenuator board was literally cooked.
So I finally got my hands on a very broken DPO3034 with broken case, missing PSU, and devoured main board but with good attenuator board. So I replace it and the scope works perfecly albeit totally out of calibration but it even passes SPC. However, it fails the self test (even power on self test) and the only reason is Attenuator board serial number mismatch It shows up as "No Ser" and I have not been able to enter/program the SN of the new atten board into the scope.

Does anybody know what needs to be done?

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