Keysight E4980A/E4980AL Precision LCR Meter 65
Troubleshooting
Performance test failure troubleshooting
Performance test failure troubleshooting
This section describes the adjustment and troubleshooting procedures used
when the E4980A/ E4980AL fails the performance tests. If the performance of
the instrument is critical for the test limits and seems to be adjustable, perform
first the adjustment(s) related to the failed test. When the test result is far from
the tolerance of the test or the performance is not adjustable, isolate the faulty
assembly in accordance with the "Performance tests failure troubleshooting
procedure".
Recommended adjustment for performance test failure
Table 4-11 shows the recommended adjustments when the performance test
fails. Select the adjustment program corresponding to the recommended
adjustment and perform the adjustment.
Table 4-11 Recommended adjustment for performance test failure
Test
Num.
First failed test Recommended adjustment
A1 A2 A3 PPMC
1 Frequency Accuracy Test
2 DC Source Level Accuracy Test
3 DC Bias Level Accuracy Test
4 DC Bias V Level Monitor Accuracy Test
5 DC Bias I Level Monitor Accuracy Test
6 AC Signal Level Monitor Accuracy Test
7 AC Signal Level Accuracy Test
8 Impedance Measurement Accuracy Test
9 DCR Measurement Accuracy Test
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