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@ -15,6 +15,7 @@ It seems that U008 was the culprit. I have a feeling that the failure mode had s
## Replacing the capacitors ## Replacing the capacitors
To save the meter from an early demise, I replaced all the capacitors, and indeed some seemed to be leaking already, I was lucky to replace them before the corrosion got worse. To save the meter from an early demise, I replaced all the capacitors, and indeed some seemed to be leaking already, I was lucky to replace them before the corrosion got worse.
![LeakyCap](3458-WorkLog/imgF.png) ![LeakyCap](3458-WorkLog/imgF.png)
Another healthy upgrade I did was to update the firmware to the latest version, which improved the accuracy of the meter to some extent due to the various mathematical updates to said firmware. In the service note [here](/3458-WorkLog/SN12C.pdf) one can find the fixes listed. But as a quick overview on some fixes from Rev 4 to Rev 9 are: Another healthy upgrade I did was to update the firmware to the latest version, which improved the accuracy of the meter to some extent due to the various mathematical updates to said firmware. In the service note [here](/3458-WorkLog/SN12C.pdf) one can find the fixes listed. But as a quick overview on some fixes from Rev 4 to Rev 9 are: