Mindray Z5 - 10.7 LCD Display

10-8 Troubleshooting of Regular Malfunctions
10.7 LCD Display
10.7.1 Module or Board Related
No.
Descriptions
Remarks
1
1150 monitor assembly
Failure rate: low
2
IO board
Failure rate: low
3
1112 main board/1114 main board
4
CPU module
10.7.2 Key Points Supporting Troubleshooting
No.
Key Points Supporting
Troubleshooting
Remarks
1
Backlight of the LCD
More evident in dark
2
VGA output port on IO board
Need external LCD
3
Display mode of the LCD
Blank screen, or “No Signal” displayed, or
disordered screen, etc.
10.7.3 Troubleshooting
No.
Fault Description
Cause Analysis
Measure
1
Control panel powered on normally;
No display (blank screen) on the LCD;
Displays normally with external LCD
connecting by VGA.
Monitor
malfunction
Replace the monitor
assembly
2
Control panel powered on normally;
The color of some mode key turns on orange.
No display (blank screen) on the LCD, with
backlight only; or, disordered screen.
Main board
malfunction
Replace the main
board.
3
Control panel powered on normally and no key
indicator turns on orange.
“No Signal” displays on LCD;
No display external LCD connecting by VGA.
CPU module
malfunction
Replace CPU module