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Chapter 4: Troubleshooting

Acquisition/Backplane Assembly Trouble Isolation - Scope Self Tests

Misc. Scope Test Group

• Temp Sensor Test - This test verifies that all of the temperature sensors in the oscilloscope

are reading values within the expected range. Temperature sensors exist for each of the

Hedwig memory controller ICs, each of the ADC ICs, and each of the front end ICs. If any

temperature sensor measure a temperature that is outside of the expected operating range,

a failure will be reported for the IC associated with that temperature sensor.

• Board Level Repair - This test should never fail since the oscilloscope will automatically shut itself

off if it detects an overheating condition. If the test does fail, report the issue to the Infiniium

software team.

• Acq Flash RAM Test - This test checks the flash RAM located on the backplane board and each

acquisition board for errors. If any errors are found, a failure is reported for the particular flash

RAM that was found to be bad.

• Board Level Repair - Replace the flash RAM that is failing the test.

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Agilent Technologies Ininiium 90000 Especificaciones Pagina 82