42 Chapter 2
Troubleshooting
Performance Test failure Troubleshooting
Performance Test failure Troubleshooting
This section describes the adjustment and troubleshooting procedures used when the
E5061B 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 2-6 and Table 2-7 shows the recommended adjustments when the performance test
fails. Select the adjustment program corresponding to the recommended adjustment and
perform the adjustment.
Table 2-6 Recommended adjustment for performance test failure (Option 3L5)
Test Num.
First failed test Recommended adjustment
Oven reference
Frequency reference
Local gain
Mixer local leakage
Receiver absolute gain Rch
Synthesizer gain
Source output power
DC bias
Receiver IF range
Receiver port characteristics
Receiver absolute gain Tch
Receiver absolute gain LF
Source output power (LF)
DC level monitor
1 Frequency accuracy
test
√
2 Frequency accuracy
test (Opt. 1E5)
√
3 RF output level
accuracy and
flatness test
√ √ √ √
4 RF output level
linearity test
√ √ √ √
5 Trace noise test
6 Crosstalk & system
dynamic range test
√ √
7 Dynamic accuracy
test
√ √
8 Uncorrected system
performance test
√ √
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