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PHiliphh MP40 Patient Monitor 12" LCD Display LQ121S1LW01 ST0341-2
Display and User Interface Service
Applications can use special controls to view control, status information, and command windows on the internal LCD panel, and these commands are interpreted by the display management program. This program specifically monitors video hardware. It contains video memory and a dedicated ASIC.
User input comes from input devices such as navigation points, touchscreens, or other standard input devices (keyboards, mice) that can be connected to an I/O panel.
System software ensures that user input is programmed into the action.
The Display and User Interface Manager performs the following tasks:
• On-screen display of real-time and stored physiological measurement data, alarm status data, and status information received from the MDSE Interface Manager, Alarm Service, or other IntelliVue modules in the patient monitoring system
• Displaying the control panels on the screen (control panel)
• Processing of operational control commands received from the HIF control interface. This module verifies and interprets received commands and forwards them to other software modules in the IntelliVue Display Unit, Measurement Server, or Flexible Module Server.
• Sound generation (indicates audible alarms and generates audible information signals such as QRS and SpO2 tones, audible operator feedback)
Display Controller
A display controller interface consists of a video control chip, video RAM, and control software. The display controller interface handles high-level display commands (character and graphics generation, waveform drawing), converts them to pixels and writes them to video RAM, where the video controller chip produces the pixels. colour. liquid crystal.
Integrated Display is blank
| Symptoms
| Possible Causes of Failure
| Failure Isolation and Remedy
|
| Blank or dim brightness on the built-in display | If the monitor display overheats due to ambient temperature or equipment placed near the patient monitor, the display brightness will decrease. | The equipment must be installed in an environment below 35°C or below 5°C. |
| If you have an external monitor, connect it to the video port. If the external monitor works fine, it is possible that the motherboard is causing the problem. | ||
| Flexible flat adapter not connected | Check the flexible connection between the tablet adapter board and the motherboard and display | |
| The backlight inverter cable is not connected | Check the cable connection between the tablet adapter board and the backlight inverter board | |
| Faulty backlight tube | backlight tube replacement | |
| Defective backlight inverter board | If you replaced the backlight tube, replace the backlight inverter board. | |
| Bad panel adapter hose | Flexible replacement panel adapter | |
| Faulty LCD panel | LCD panel replacement | |
| motherboard is broken | replace the motherboard |
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