Revision:1.0(2023-01-12)
423
None
• Troubleshooting suggestion
1. If the touch screen does not work at all, the touch screen drive is abnormal. In this case,
reinstall the system.
2. If the touch screen malfunctions partially, check whether the cable connections are normal. If
the fault persists, replace the main display.
Z1001 MF FPGA and Probe Board FPGA Communication Test
• Upper-level test item
Communication Test Between PC Module and MF FPGA
• Test Items
Test whether the SPI bus communication between MF FPGA on the main board and FPGA on
the probe board is normal.
• Test failure analysis
If the test result is Error, the drive is abnormal.
If the test result is FAIL, the connection between MF FPGA on the main board and FPGA on
the probe board is abnormal.
• Troubleshooting suggestion
1. If the test result is Error, restart the device and re-perform the self-test. If the problem persists,
restore the device.
2. If the test result is FAIL, replace the probe board and then the main board.
Z1101 ECG Board Information Reading Test
• Upper-level test item
None
• Test Items
The program controls the main board to read the boot program version, board ID, and software
version of the ECG board through the serial port.
• Test failure analysis
If the test result is Error, the drive is abnormal.
If the test result is NaN, the ECG module is not in the place.
If the test result is FAIL, the serial port of the main board is faulty.
• Troubleshooting suggestion
1. If the test result is Error, restart the device and re-perform the self-test. If the problem persists,
restore the device.
2. If the test result is NaN, replace the ECG module before the test. If the test result is still NaN,
replace the main board.
3. If the test result is FAIL, replace the ECG module before the test. If the test result is still FAIL,
replace the main board.
Diagnostic Ultrasound System
Service Manual
9 Appendix
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