Mindray Z6, Service Manual

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10-8 Troubleshooting of Regular Malfunctions
speed in system preset;
Degenerated trackball
performance
Replace the trackball module
4
All key of control panel are
normal,
Single encoder failed.
Single encoder malfunction Replace the encoder board
5
All key of control panel are
normal,
Single key of TGC failed.
TGC board malfunction Replace TGC board
All keys of TGC failed.
Control panel malfunction Replace Control panel
10.7 LCD Display
10.7.1 Module or Board Related
No. Descriptions Remarks
1 Monitor assembly Failure rate: low
2 IO board Failure rate: low
3 Main board
4 CPU module
10.7.2 Key Points Supporting Troubleshooting
No. Key Points Supporting
Troubleshooting
Remarks
1 Backlight of the LCD More obvious 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;
Main board or Replace the main