Keysight N5227B, Руководство по обслуживанию

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4-46 Keysight N5227B Service Guide
Troubleshooting
Measurement System Troubleshooting
4-
Checking the Receiver Group
Equipment Used for These Tests
For all of the following checks, refer to the block diagrams at the end of this
chapter and to any of the following that are appropriate:
— “2-Port Configuration, Option 200” on page 6-23
— “Bottom RF Cables, Standard 2-Port Configuration, Option 200” on
page 6-25
— “2-Port Configuration, Option 205” on page 6-36
— “2-Port Configuration, Option 205” on page 6-36
— “2-Port Configuration, Option 219” on page 6-49
— “Bottom RF Cables, Option 219” on page 6-51
— “4-Port Configuration, Option 400” on page 6-63
— “Bottom RF Cables, Standard 4-Port Configuration, Option 400” on
page 6-65
— “4-Port Configuration, Option 419” on page 6-93
— “Bottom RF Cables, Option 419 (Ports 1 and 2)” on page 6-96
— “Bottom RF Cables, Option 419 (Ports 3 and 4)” on page 6-99
— “Bottom Assemblies, Option 420” on page 6-105
— “Bottom RF Cables, Option 420 (Ports 1 and 2)” on page 6-108
— “Bottom RF Cables, Option 420 (Ports 3 and 4)” on page 6-111
Getting Ready to Test
Before checking the assemblies, you must open the analyzer.
1. Turn off the analyzer power.
2. Unplug the power to the analyzer and disconnect all front and rear panel
connections except installed jumpers.
Equipment Type Model or
Part Number
Alternate Model or Part
Number
Spectrum analyzer 8565E
856xE
a
a. Refer to the Note on page 4-29 . Must be capable of measuring a signal at 7.61 MHz (analyzers
with DSP version 4.0), or 7.44 MHz (analyzers with DSP version 5.0), and 1 GHz.
Use an antistatic work surface and wrist strap to reduce the chance of
electrostatic discharge for all of the procedures in this chapter.