Just in case you haven't yet: Always start any investigation with checking the power supply for voltage and ripple. Test the main electrolytic capacitors for capacitance, and ESR.
Nothing in the unit's self testing ability can be trusted if the power supply is putting out large amounts of ripple, or is at the wrong voltage. -Chuck Harris Randy Evans wrote:
I have a Datron 1082 DMM that just recently stopped working. When I power up, it gives a "FAIL" message on the front panel. I found a flowchart in an abbreviated servicing manual that indicates it's from a failure of the "Check for uncorrupted calibration store". I Assume this likely means the cal tables are corrupted? Unfortunately, I don't have sufficient information (e.g., schematics) to do any further troubleshooting. Can anyone help with a complete servicing manual and/or further diagnostic help? I did download the Datron 1071DMM O&S manual from K04BB but I don't know how similar it is to the 1082. Can anyone comment on what the differences are? Thanks, Randy Evans
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