Revision:1.0(2023-01-12)
396
Possible Cause
1. The display conversion board is abnormal (low possibility).
2. The display fails.
3. The cables are damaged or abnormal (low possibility).
Resolve Path
1. Check whether the Mindray Logo indicator and the battery capacity indicator are properly on in
landscape mode.
2. If they are properly on, check whether indicators 4/5/6/7/8/9 on the rear of the main unit box are
on. Whether indicator 1 is on is determined based on whether AC is in place.
Solution
1. If neither indicators are on, remove the display assembly and check whether the male and
female sockets on the motion structure conversion board and the display conversion board
have crooked pins or are damaged, and whether the cables are damaged. If so, replace the
damaged part. For details, refer to 7.2.2
Disassembly and Assembly.
2. After confirming Steps 1 and 2, it is probably that the display is abnormal.
88..33..66..33 The device startup is normal, the main display displays "No Signal",
and the display signal indicator is orange
Fault Description
The device startup is normal, the main display displays "No Signal", and the display signal
indicator is orange
Involved FRU
Display, display conversion board, signal cable of display conversion board, main board
assembly, and PC module assembly
Severity
Suspension
Handling Level
Contact the device provider for onsite handling.
Possible Cause
1. The CPU does not output signals.
Diagnostic Ultrasound System
Service Manual
8 Troubleshooting
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