compaq lte elite User Manual

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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...

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...

interferes with the installation of the system board.
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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). 

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).