Schiller AT-2plus - Main Board MK 14-10

Page 4.12
SCHILLER AT-2plus 6-Channel ECG Unit
SERVICE HANDBOOK Issue d May 2002
Chapter 4
Module Removal and Replacement
Main Board MK 14 - 10
Prerequisite
• The Warnings and Cautions at the beginning of the chapter must be observed.
• The top assembly must be removed and all external cable assemblies disconnected.
• The printer and printer tray assembly must be removed
Tools and Equipment
Posi-drive screwdriver
Parts
Main board MK 14-10. Part number as detailed in Chapter 6.
Board Removal
WARNING
ENSURE THAT THE MAINS CABLE IS DISCONNECTED BEFORE COMMENCING
1. Disconnect the following connectors:
• live and the neutral bayonet connectors to the mains connector
• battery connector
• connecting cable to RS-232 board MK 14-11 (or Modem board)
2. Unscrew the 12 spacer fixations (four on the mains transformer) and remove the board.
Board Replacement
To replace the Main board MK 14-10 proceed as follows:
1. Position the board and secure at the 12 fixing points ( four on the mains transformer)
2. Connect the following:
• live and the neutral bayonet connectors to the mains connector
• live and the neutral bayonet connectors to the battery
• connecting cable to RS-232 board MK 14-11 (or Modem board)
3. Replace the paper tray and printer assembly and reassemble the unit.