C-16 Description of Self Test Items
Suggestion to failure test
Replace the control panel if LED brightness does not respond.
C.1.30 Primary LCD Monitor I2C Interconnection Test
Top test item
Communication self test between PC Module and MF FPGA
Test content
Test whether I2C communication serial port between MF FPGA and primary LCD monitor works
well. The test generates primary LCD monitor’s saver, and then restores it. Primary LCD monitor’s
brightness decreases, and then returns back. Read the hardware and software versions of
primary LCD monitor.
Analysis to test failure
The drive goes wrong if the test result appears Error.
The interconnection between DSP FPGA and primary LCD monitor goes wrong if the test result is
FAIL.
Suggestion to failure test
Restart the device to perform the self test if the test result appears Error. It is necessary to restore
the device (OS+doppler) if Error re-appears.
Check whether the connecting material between primary LCD monitor and main unit is fixed well,
and then replace primary LCD monitor if the test result is FAIL.
C.1.31 Primary LCD Monitor Serial Number Test
Top test item
Primary LCD Monitor I2C Interconnection Test
Test content
The test reads the serial number of the primary LCD monitor and compares the serial number with
that in the configuration file.
Analysis to test failure
If the test result is NaN, it indicates the primary LCD monitor does not support the test.
If the test result is FAIL, it indicates the serial number of the primary LCD monitor is not consistent
with that in the configuration file.
Suggestion to failure test
Deselect the test if the test result appears NaN.
Restart the ultrasound system if the test result is FAIL.
C.1.32 Primary LCD Monitor Configuration Test
Top test item
Primary LCD Monitor Serial Number Test
Test content
The test reads the checksum of the primary LCD monitor and compares the checksum with that in
the configuration file.
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