NEC DIRECTION L - SERVICE, Руководство по обслуживанию

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Disassembly and Reassembly 5-11
System Board Removal
Remove the system board per the following steps.
1. Remove the system access cover, expansion boards, fan assembly, and power
supply as previously described.
2. Remove and label all cables connected to the system board. Appendix B provides
the connector identifiers and pin assignments for each connector.
3. Locate and remove the one screw at the rear of the unit that secures the system
board to the system unit (see Figure 5-11).
Figure 5-11 Removing the System Board Screw
4.
Slide the system board towards the front of the unit until is is clear of the metal
shielding and the alignment clips.
5. Lift the board out of the system at an angle.
6. If replacing the system board, remove any installed DIMMs from the board.
Reinstall the DIMMs on the new board.
ILLUSTRATED PARTS BREAKDOWN
This section contains the illustrated parts breakdown (IPB) and NEC CSD part numbers for
the Direction L Series, SPL Series, and SP Series desktop and minitower computers.
Table 5-2 lists the field-replaceable parts for the L Series desktop and Figure 5-12 provides
the illustrated parts breakdown. Table 5-3 lists the field replaceable parts for the L Series
minitower and Figure 5-13 provides the illustrated parts breakdown.