Performance Test Failure Troubleshooting - Keysight E4980A Service Manual

Troubleshooting

Performance test failure troubleshooting

Performance test failure troubleshooting
Table 4-13
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.
Table 4-13 Performance test failure troubleshooting information
Test
Num.
1
2
3
4
5
6
7
8
9
###: Most suspicious assembly
##: Suspicious assembly
#: Possible faulty assembly
Keysight E4980A/E4980AL Precision LCR Meter
represents the relationships between the failed test and probable
First failed test
Frequency Accuracy Test
DC Source Level Accuracy Test
DC Bias Level Accuracy Test
DC Bias V Level Monitor Accuracy Test
DC Bias I Level Monitor Accuracy Test
AC Signal Level Monitor Accuracy Test
AC Signal Level Accuracy Test
Impedance Measurement Accuracy Test
DCR Measurement Accuracy Test
Probable faulty board assembly
A1 A2 A3 PPMC
# ###
# ###
# ###
###
###
### #
# ###
### #
### #
67