202
Chapter 4
Troubleshooting
Performance test failure troubleshooting
Performance test failure troubleshooting
This section describes the adjustment and troubleshooting procedures when the E5071C
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". This is for the purpose to find the parts should be replaced on
the fail of the performance test, so it is recommended to execute all of the adjustment and
performance test as final step, in the case of finishing the troubleshooting.
Recommended adjustment for performance test failure
Table 4-6 shows the recommended adjustments when the performance test fails. Select the
adjustment program corresponding to the recommended adjustment and perform the
adjustment.
NOTE
There are no adjustment related to trace noise, crosstalk and system dynamic range.
Table 4-6
Recommended adjustment for performance test failure
First Failed Test
Recommended Adjustment
OCXO
Fr
eq
uen
cy Ref
er
ence
AUX
Input
Syn
the
sizer
Gain
V
irtual Bridge Coefficient
Sou
rce Ou
tp
ut
Power
Receiver IF Range
Receiver Port Characteristics
Receiver Absolute Gain
Receiver RF
Range
AUX Input
###
Frequency Accuracy (Standard )
###
Frequency Accuracy (1E5)
###
RF Output Level Accuracy&Flatness
###
###
RF Output Level Linearity
###
###
Trace Noise
Crosstalk
System Dynamic Range
Dynamic Accuracy
###
Uncorrected System Performance
###
###
Summary of Contents for E5071C
Page 14: ...14 Contents ...
Page 168: ...168 Chapter2 Performance Test E5071C Performance Test Record ...
Page 212: ...212 Chapter4 Troubleshooting To configure the CPU Mother Board Assembly and BIOS ...
Page 262: ...262 Chapter5 Replaceable Parts Power Cables and Plug Configurations ...
Page 326: ...326 Chapter6 Replacement Procedure Probe Power and Power Switch Board Replacement ...
Page 332: ...332 Chapter7 Post Repair Procedures Post Repair Procedures ...
Page 360: ...360 AppendixB System Recovery Calibration of the Touch Screen ...
Page 364: ...364 AppendixC Firmware Update Firmware Update ...
Page 365: ...365 D Power Requirement D Power Requirement ...