Ventilator Control and Drive Theory of Operation
1 - 54 046-001141-00 A5/A3™ Service Manual
Display Interface, J3
46 GND Ground
47 12V Electronic Flowmeter Power Supply
48 GND Ground
49 RXD_FLOW_BRD Electronic Flowmeter Serial Port Receive Signal
50 TXD_FLOW_BRD Electronic Flowmeter Serial Port Transmit Signal
PIN NAME FUNCTION
1LCD_EN Inverter Enable Signal
2 LCD_BR Inverter Brightness Adjustment Signal
3 RXD_TOUCH_PANEL Touch Screen Control Board Serial Port Receive Signal
4 TXD_TOUCH_PANEL Touch Screen Control Board Serial Port Transmit Signal
5 NC No Connection
6 LED_AC AC Indicator Light Drive Signal
7 LED_BAT Battery Indicator Light Drive Signal
8 MAIN_BRD_SDA CPU Board I2C Signal
9 MAIN_BRD_SCL CPU Board I2C Signal
10 NC No Connection
11 NC No Connection
12 NC No Connection
13 NC No Connection
14 NC No Connection
15 NC No Connection
16 12V 12V Power Supply
17 GND Ground
18 GND Ground
19 VCC_LCD
Optional Backplane Power Supply or CPU Board Power Supply for
Display
20 VCC_LCD
Optional Backplane Power Supply or CPU Board Power Supply for
Display
21 GND Ground
22 GND Ground
23 LVDS_DATA0+ LVDS Data Difference to Positive Signal 0
24 LVDS_DATA0- LVDS Data Difference to Negative Signal 0
25 GND Ground
26 LVDS_DATA1+ LVDS Data Difference to Positive Signal 1
27 LVDS_DATA1- LVDS Data Difference to Negative Signal 1
28 GND Ground
29 LVDS_DATA2+ LVDS Data Difference to Positive Signal 2
30 LVDS_DATA2- LVDS Data Difference to Negative Signal 2
31 GND Ground
32 LVDS_DATA3+ LVDS Data Difference to Positive Signal 3
33 LVDS_DATA3- LVDS Data Difference to Negative Signal 3
PIN NAME FUNCTION
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