Mettler Toledo MT Guide de l'utilisateur Page 123

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IND780 User’s Guide
Figure 3-55: Lower Card Guide Screw Locations
2. Remove the other two screws securing the ETX board in place, shown in Figure
3-56.
Figure 3-56: ETX Board Mounting Screws
3. Taking precautions to avoid static discharge, lever the ETX board up from its
connectors, starting at the CF card end indicated in Figure 3-56.
4. Lift the ETX board off the main PCB and set it down on a static-free mat.
ETX Board Installation
This procedure must be performed with the main PCB removed from the IND780
enclosure:
All mounting screws should be installed with 23 inch pounds (2.6 Nm) of torque.
To install an ETX board on the main PCB:
1. Note the orientation of the ETX board indicated in Figure 3-53. The ETX
connectors are arranged so that it cannot be installed backwards.
2. Position the ETX board over its connectors. Figure 3-57 shows two of the
connectors, and Figure 3-58 shows a side view of the board resting on its
connectors.
Figure 3-57: Close-Up View of ETX Connectors on Main PCB
3-43
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