Mindray A9 Service Manual

8-17
8.19 Disassemble the AC-DC Board
8.19.1 Prepare for Disassembly
8.19.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 Phillips screwdriver
8.19.1.2 Preparations
Before disassembly,
 Make sure that the anesthesia machine is turned off and disconnected from the A/C power
source.
 Maneuver the anesthesia machine to an appropriate location and then apply the brake.
8.19.1.3 Pre-disassembly
Refer to 8.1.1Open the Service Door to open the service door.
8.19.2 Remove the AC-DC Board
1. Remove the six screws from the sealing cover of the power board with the Phillips
screwdriver to remove the sealing cover, as shown in Figure A.
2. Pull out the 0645 AC-DC connection line (24 V) (marked by □ in Figure B) and disconnect
the 0645 AC input connection line (marked by ◇ in Figure B).
3. Remove the four screws (marked by △ in Figure B) fastening the AC-DC board with the
Phillips screwdriver to remove the AC-DC board.
Figure A
Sealing cover of the power board

Mindray A9 Specifications

General

Type	Anesthesia Workstation
Integrated Gas Analysis	Yes
Backup Battery	Yes
Operating Temperature	10°C to 40°C
Storage Temperature	-20°C to 55°C
Battery Type	Lithium-ion
Ventilation Modes	Volume Control, Pressure Control, SIMV, Manual Ventilation
Display	Touchscreen
Patient Monitoring	ECG, SpO2, NIBP, EtCO2, Temperature
Connectivity	Ethernet, USB
Portability	Mobile (with wheels)
Battery Life	Minimum 90 minutes (typical)
Altitude	Up to 3000 meters
Power Supply	100-240 VAC, 50/60 Hz
Charging Time	Approximately 4 hours
Storage	Internal storage for patient data and system logs
Supported Languages	Multiple languages
Certifications	CE, FDA