Products > Test Equipment
Upgrading Mainboard in Lecroy DDA-3000 (aka WavePro 7300a?)
sixtimesseven:
--- Quote from: nctnico on October 22, 2019, 04:44:16 pm ---
--- Quote from: Mechatrommer on October 22, 2019, 03:56:23 pm ---
--- Quote from: nctnico on October 22, 2019, 02:50:32 pm ---It turns out the factory calibration is also in the EEPROMs on the acquisition board so you don't need to save the files. A self calibration from the service menu does the rest to restore all the calibration data.
--- End quote ---
if original owner did a calibration process later during the life of the scope in service, will it saved in eeprom too?
--- End quote ---
You'd have to ask Lecroy. I'd assume if you send it to Lecroy then they might update the EEPROM values if necessary.
It seems the self calibration data is saved in different files. The data which is in the EEPROMs is read once if the file is missing on the disk.
--- End quote ---
Could someone clarify this point for me?
I have a D: named Userdata and XStream created a bunch of folders on the next startup, however no cal files and I do not see where to initiate a selfCal?
nctnico:
You don't need the D drive at all. And you don't need to backup anything. The factory cal data is stored on the acquisition board itself en copied onto the hard drive automatically. The missing cal data is automatically created from the data gathered at the first time the oscilloscope is started.
A self calibration can be started from the service menu. Service center access is probably enough.
9472 Service Center
19641 Production Access
11011969 Kernel Access
22872201 Developer Access
Mechatrommer:
But its a good practise to have D: storing user's data. If you crash C, you dont have to think to recover the files, you simply recover using backup utils, format or clean install etc. My probe deskew calibration fixture is on its way, reading the manual, once we make calibration, the files will be stored somewhere in hdd, i think its wiser in D, so after recovery we dont have to recalibrate. How valid is this idea i'm not sure until it arrived, but its still good to have D for whatever reason imho.
Mechatrommer:
--- Quote from: nctnico on December 08, 2019, 03:33:39 pm ---A self calibration can be started from the service menu. Service center access is probably enough.
9472 Service Center
19641 Production Access
11011969 Kernel Access
22872201 Developer Access
--- End quote ---
i never try this, but do we need to have extra equipments or fixtures to do self calibration? Maybe i want to do on my dda3000 since it lost its calibration data in hdd, now its using reconstructed data from factory/eeprom i guess. but i'm afraid if original factory calibrarion data is destroyed and i've done invalid procedure during self calibration.
sixtimesseven:
My Touch Driver seems to fail intermittently >:( Auto detect in the UPDD settings worked fine before. But now I get nothing.
I removed the UPDD settings and tried to listen to the only available port (com1) with putty but there is nothing.
Is there a way to test that in the Service Menu?
Edit: Stupid me. Lecroy hides the com port. To see which one it is:
Click Start>Run
Type cmd.exe in the textbox and click OK
Type set devmgr_show_nonpresent_devices=1 and hit ENTER
Type cd\windows\system32 and hit ENTER
Type start devmgmt.msc and hit ENTER
When the device manager opens, click the View menu
Click Show Hidden Devices
For me it was com3
Now it works
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