Mindray A7 Service Manual

A7™ Service Manual 046-006272-00 1 - 63
Theory of Operation Ventilator Control and Drive
Display Interface, J3
46 GND Ground
47 12VA_1 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 TXD_KEY Serial Port Transmit Signal of the Display Interface Board
11 RXD_KEY Serial Port Receive Signal of the Display Interface Board
12 Lighting Lighting Control Signal
13 USB+ USB Data Signal+
14 USB- USB Data Signal-
15 Lighting_12V Lighting 12 V Power Supply (range: 10.8V~13.2V)
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

Mindray A7 Specifications

General

Brand	Mindray
Model	A7
Category	Medical Equipment
Language	English