Keysight Technologies Infiniium 90000A Series, Руководство по обслуживанию

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72 90000 A-Series Service Guide
4
Troubleshooting
Acquisition/Backplane Assembly Troubleshooting
This section describes which board assembly to replace if any of the scope self
tests fail. A self-test error message file is generated and is sent to this location:
C:\ProgramData\Infiniium\selftest\SelfTestLog.txt
The error message usually indicates the channel with the error. When identifying
which acquisition assembly to replace, remember that the acquisition assembly
nearest the bottom of the oscilloscope is for channels 1 and 2. Channels 3 and 4
are on the upper acquisition assembly. Replace the acquisition assembly that has
the error.
If the error message does not indicate a channel, refer to the following table to
determine which assembly to replace.
Test Group Test Name Error Type Assembly to
Replace
Timebase Timebase Interpolator Test Backplane
ADC ADC Register Tests ADC1, ADC2, ADC3, ADC4 Lower acquisition
ADC5, ADC6, ADC7, ADC8 Upper acquisition
ADC Voltage Test Points ADC1, ADC2, ADC3, ADC4 Lower acquisition
ADC5, ADC6, ADC7, ADC8 Upper acquisition
Acquisition Memory Hedwig MBIST
Hedwig Register
Hedwig-DDR2 ADDR & Data
MEMCON_1, MEMCON_2,
MEMCON_3, MEMCON_4,
Lower acquisition
MEMCON_5, MEMCON_6,
MEMCON_7, MEMCON_8,
Upper acquisition
Hedwig DDR2 Stress Memory Controller 1-4 Lower acquisition
Memory Controller 1-8 Upper acquisition
Hedwig DDR2 Interface Hedwig1, Hedwig2,
Hedwig3, Hedwig4
Lower acquisition
Hedwig5, Hedwig6,
Hedwig7, Hedwig8
Upper acquisition
Misc. Scope Temp Sensor Hedwig0, Hedwig1,
Hedwig2, Hedwig3, Oak0
Lower acquisition
Hedwig4, Hedwig5,
Hedwig6, Hedwig7, Oak2
Upper acquisition
Pred1, Pred2, MainFPGA Backplane
Acq Flash RAM Test is not currently being
run.