Chapter 4
57
Troubleshooting
Performance test failure troubleshooting
4. T
roub
lesho
o
ting
Performance test failure troubleshooting
This section describes the adjustment and troubleshooting procedures used when the
E4980A 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 4-13 shows the recommended adjustments when the performance test fails. Select
the adjustment program corresponding to the recommended adjustment and perform the
adjustment.
Table 4-13
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
Summary of Contents for E4980A
Page 12: ...12 Contents ...
Page 60: ...60 Chapter4 Troubleshooting Performance test failure troubleshooting ...
Page 86: ...86 Chapter5 Replaceable Parts Replaceable Parts List ...
Page 126: ...126 Chapter6 Replacement Procedure Display Interface Replacement ...
Page 136: ...136 AppendixB Firmware Update Update the E4980A firmware using USB cable ...
Page 140: ...140 AppendixC Power Requirement Power Requirements Figure C 3 Power Cable Supplied ...
Page 152: ...152 AppendixD Error Messages Error number 45 ...