Replacing Assemblies
To remove and replace the CPU board
3 Disconnect the following cables from the CPU board:
• Rear Panel (J5)
• LCD data
(J4)
Removing the LCD data cable from the CPU board
• LCD inverter (J3)
• HP-IB (JI3)
• RS-232 (J8)
• Front panel (J7)
4 Slide the board out the side of the instrument.
5 Reverse this procedure to install the CPU board.
When connecting the LCD data cable to the CPU board, ensure the blue side of the
cable faces away from the SIMM memmory.
Check that the following assemblies are properly instaJIed before installing the CPU board:
• LCD display
• Front Panel
• Switch Actuator
After replacing the CPU board, you will have to restore the ether address in the CPU board.
Follow the procedure "The Ether Address" in chapter 5.
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