Keysight E4980A - Performance Test Failure Troubleshooting

Keysight E4980A/E4980AL Precision LCR Meter 67
Troubleshooting
Performance test failure troubleshooting
Performance test failure troubleshooting
Table 4-13 represents the relationships between the failed test and probable
faulty assembly. If the performance test failure cannot be removed by a proper
adjustment, replace the assembly shown in this table.
Note that this table lists some typical cases. There are possibilities that another
assembly may be faulty.
###: Most suspicious assembly
##: Suspicious assembly
#: Possible faulty assembly
Table 4-13 Performance test failure troubleshooting information
Test
Num.
First failed test Probable faulty board assembly
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 ### #