Mindray A8 - Disassemble the DC-DC Board; Prepare for Disassembly; Remove the DC-DC Board

8-18
Figure B
8.20 Disassemble the DC-DC Board
8.20.1 Prepare for Disassembly
8.20.1.1 Tools
During parts disassembly and replacement, the following tools may be required:
 Phillips screwdriver
8.20.1.2 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.
8.20.1.3 Pre-disassembly
Refer to 8.1.1Open the Service Door to open the service door.
8.20.2 Remove the DC-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. Disconnect the two connection lines (marked by □ in Figure B)
3. Remove the five screws fastening the DC-DC board with the Phillips screwdriver to remove
the DC-DC board, as shown in Figure B.
Figure A
Sealing cover of the power board