Mindray A7 Service Manual

A7™ Service Manual 046-006272-00 1 - 67
Theory of Operation Ventilator Control and Drive
CPU Board Interface, J11
PIN NAME FUNCTION
A1 LCD_VDD LCD Power Supply
A2 GND LCD Ground
A3 NC No Connection
A4 NC No Connection
A5 RXD_HW_OR_JH Infrared Backplane or Patient Monitor Receive Signal
A6 TXD_HW_OR_JH
Serial Port Receive SignalInfrared Backplane or Patient Monitor Transmit
Signal
A7 GND Ground
A8 RXD_AG Built-in AG Module Receive Signal
A9 TXD_AG Built-in AG Module Transmit Signal
A10 GND Ground
A11 UIVCC_USB USB Power Supply
A12 TOUCHPAD_USB+ TOUCHPAD_USB Data Signal +
A13 TOUCHPAD_USB- TOUCHPAD_USB Data Signal -
A14 GND Ground
A15 SCL_CPU CPU Board I2C Clock
A16 SDA_CPU CPU Board I2C Data
A17 GND Ground
A18 MAIN_ACGO_CTRL2 ACGO Control Signal 2
A19 NC No Connection
A20 ACGO_State1 ACGO State Signal 1
A21 NC No Connection
A22 FAN_STATE2 Fan State Detected Signal 2
A23 FAN_STATE1 Fan State Detected Signal 1
A24 GND Ground
A25 3V3 CPU Board Main Power Supply
A26 3V3 CPU Board main Power Supply
A27 GND Ground
A28 GND Ground
A29 5V CPU Board Interface Chip Power Supply
A30 5V CPU Board Interface Chip Power Supply
A31 GND Ground
A32 GND Ground
B1 NC Not Connected
B2 NC Not Connected
B3 NC Not Connected
B4 SPK_OUT+ Speaker Drive Signal +
B5 SPK_OUT- Speaker Drive Signal -
B6 GND Ground
B7 VGA_Red VGA Red Signal
B8 VGA_Green VGA Green Signal
B9 VGA_Blue VGA Blue Signal

Mindray A7 Specifications

General

Type	Anesthesia Workstation
Brand	Mindray
Model	A7
Display	15-inch color touchscreen
Oxygen Flush	Yes
Gas Inlets	O2, N2O, Air
Ventilation Modes	SIMV, PSV
Breathing System	Integrated
Gas Monitoring	O2, CO2, N2O
Monitoring Parameters	FiO2
CO2 Monitoring	Mainstream or Sidestream
Power Supply	100-240 V, 50/60 Hz