Troubleshooting - Keysight N6705 Service Manual

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5

Troubleshooting

Preliminary Checkout ................................................................... 106
General Troubleshooting .............................................................. 107
Bias PCA Troubleshooting ............................................................ 112
Backplane PCA Troubleshooting.................................................. 114
Calibration and Passwords ........................................................... 115
Initialization ................................................................................... 115
Before performing the General Troubleshooting procedures, perform the
Preliminary Checkout procedure in the beginning of this chapter.
If the Keysight N6705 DC Power Analyzer passes selftest and there are
no obvious faults, perform the verification procedures in chapter 2 to
determine if any power modules are not calibrated, or are not operating
properly. This will help isolate a problem to a specific power module.
The following table documents the test equipment required for
troubleshooting Keysight N6705 DC Power Analyzer mainframes.
Model Description
Keysight Digital multimeter (for measuring voltage and resistance)
34401A or
equivalent