compaq lte elite User Manual
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16. Remove the six screws that attach the system board to the computer base
enclosure (Figure 4-47).
IMPORTANT: To ensure proper alignment when replacing the system board,
replace the screw noted as [1], then replace the screw noted
as [2], then replace the other four screws (Figure 4-47).](http://img.usermanuals.tech/thumb/1258/38935/w64_compaq-lte-elite-154.png "Page 155
16. Remove the six screws that attach the system board to the computer base
enclosure (Figure 4-47).
IMPORTANT: To ensure proper alignment when replacing the system board,
replace the screw noted as [1], then replace the screw noted
as [2], then replace the other four screws (Figure 4-47).")
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17. Carefully tilt the system board up [1] and unplug the LED cable
assembly from the connector on the bottom side of the system board [2]
(Figure 4-48).](http://img.usermanuals.tech/thumb/1258/38935/w64_compaq-lte-elite-155.png "Page 156
17. Carefully tilt the system board up [1] and unplug the LED cable
assembly from the connector on the bottom side of the system board [2]
(Figure 4-48).")
4.17 System Board And Input/Output (I/O) Bracket To remove the system board and input/output bracket, complete the following steps: 1. If a new system board is to be installed, remove the memory expansion board (Section 4.6). 2. Remove the hard drive (Section 4.12). 3. Remove the keyboard cover (Section 4.7). 4. If a new system board is to be installed, remove the processor board (Section 4.13). 5. Disconnect the auxiliary battery (Section 4.8). 6. Remove the display assembly (Section 4.9). 7. Remove the keyboard (Section 4.10).
8. Remove the diskette drive and cable (Section 4.11). 9. Remove the PIB (Section 4.14). 10. Remove the internal AC power supply (Section 4.16). 11. Remove the eight screwlocks that attach the rear I/O connectors to the I/O bracket (Figure 4-44). 12. Remove the screw that attaches the keyboard/mouse connector to the I/O bracket (Figure 4-44). 13. Remove the two screws that attach the Automobile Adapter connector to the I/O bracket (Figure 4-44). NOTE: The screws for the Automobile Adapter connector are located under the Automobile Adapter door at the left rear of the computer (Figure 4-44). IMPORTANT: When replacing the Automobile Adapter connector (Figure 4-45), ensure that the long end of the connector [1] is next to the fan [2] and that the ferrite on the connector cable [3] is tucked between the short end of the connector and the right wall of the I/O bracket. If the connector is installed improperly, it
interferes with the installation of the system board. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CAUTION >>>>>
16. Remove the six screws that attach the system board to the computer base enclosure (Figure 4-47). IMPORTANT: To ensure proper alignment when replacing the system board, replace the screw noted as [1], then replace the screw noted as [2], then replace the other four screws (Figure 4-47).
17. Carefully tilt the system board up [1] and unplug the LED cable assembly from the connector on the bottom side of the system board [2] (Figure 4-48).
IMPORTANT: When replacing the LED cable assembly into the connector, be sure that the soldered leads on the cable face away from the system board. 18. With the system board still tilted up, slide the system board toward the front of the unit to release it from the I/O bracket, and remove the system board. 19. Slightly flex the left side of the computer base enclosure toward the back of the unit [1] and remove the I/O bracket [2] (Figure 4-49).
NOTE: The fan is integrated into the I/O bracket. To replace the fan, the I/O bracket must be replaced. 4.18 LED Cable Assembly Removing the LED Cable Assembly To remove the LED cable assembly from the computer base enclosure, complete the following steps: 1. Remove the system board by completing steps 1 through 17 in Section 4.17. 2. Slightly flex the retaining snaps of the LED cable assembly bracket [1] up one at a time, while removing the LED cable assembly [2] (Figure 4-50).
Replacing the LED Cable Assembly To replace the LED cable assembly, complete the following steps: 1. Connect the LED cable assembly [1] to its connector on the system board [2] (Figure 4-51). IMPORTANT: Be sure that the soldered leads on the LED cable face away from the system board.
2. Partially install the system board so that the connectors on the back of the board fit into the I/O bracket. Keep the front edge of the system board raised to allow access to the LED cable assembly bracket (Figure 4-52).