BeneVision N22/BeneVision N19 Patient Monitor Service Manual 2-7
Connector Type 5015714007
Pin No. Signal Name Signal Direction Function Definition Remarks
shutdown
38 NC / No signal connection /
39 GND / Ground /
40 GND / Ground /
DC power output connector of the main unit
Used by the main unit for providing 12V power supply to the display.
Connector Type 43045-0409
Pin No. Signal Name Signal Direction Function Definition Remarks
1 12V OUT DC output /
2 12V OUT DC output Reserved
3 GND / Ground Reserved
4 GND / Ground /
2.2.4 Front Housing Interface Board
The front housing interface board and its peripheral circuits are mainly used for realizing the control of the alarm LED,
LOGO LED, backlight and audio, as well as the detection and transmission of the touchscreen, encoder and ambient
light.
As the front housing interface boardhas much to control, a microcontroller unit (MCU) is used for the central control. The
MCU is connected to the main control of the system through the DisplayPort AUX channel (DP AUX), and the USB
connection channel is reserved.
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