A5/A3™ Service Manual 046-001141-00 1 - 45
Theory of Operation Ventilator UI
Warning Light Board Interface, J1
1.6.1.5 Display
The anesthesia system display is a 15-inch, 24-bit, 1024x768 LVDS touch screen. Its LCD backlight
brightness can be adjusted by the inverter.
1.6.1.6 Fresh Flow Sensor Board
FIGURE 1-43 Fresh Flow Sensor Board, Top View
FIGURE 1-44 Fresh Flow Sensor Board, Bottom View
PIN NAME FUNCTION
1 12V 12V Power Supply
2GND Ground
3 MAIN_BRD_SDA CPU Board I2C Data Signal
4 MAIN_BRD_SCL CPU Board I2C Clock Signal
53_3V 3.3V Power Supply
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