Performance Test Failure Troubleshooting - Agilent Technologies E4980A Service Manual

Performance test failure troubleshooting

Table 4-15 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.
Table 4-15 Performance test failure troubleshooting information
Test First failed test
Num.
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
###: Most suspicious assembly
##: Suspicious assembly
#: Possible faulty assembly
Chapter 4
Performance test failure troubleshooting
Probable faulty board
assembly
A1 A2
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Troubleshooting
A3 PPMC
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