Dell Inspiron 3500 - Manual (Page 10)

To remove the system board rails, see the exploded view of the base assembly and perform the following steps:
1. Remove the display assembly .
2. Remove the keyboard .
3. Remove the palmrest assembly .
4. Remove the infrared board .
5. Remove the 5-mm screw and the 16-mm screw securing the right system-board rail.
6. Remove the right system-board rail.
7. Remove the 5-mm screw securing the left system-board rail.
8. Remove the left system-board rail.
9. Remove the release latches for the battery bay and media bay, which were previously held in place by the system board rails.
10. Remove the heat sink.
When you install the rails, be sure that the speaker cables are not pinched.
DC/DC Board Removal
To remove the DC/DC board, see the exploded view of the base assembly and perform the following steps:
1. Remove the display assembly .
2. Remove the keyboard .
3. Remove the palmrest assembly .
4. Remove the system board rails .
5. Remove the 14-mm screw.
6. Gently lift the DC/DC board off of the connector on the system board.
When you install the board, put pressure only on the areas where the connectors on the DC/DC board and on the system board fit together.
Pressing on other areas may flex the board and break connections.
Speaker Removal
To remove the speakers, see the exploded view of the base assembly and perform the following steps:
1. Remove the display assembly .
2. Remove the keyboard .
3. Remove the palmrest assembly .
4. Remove the system board rails .
5. Remove the DC/DC board .
6. Disconnect the left speaker cable from connector J13 on the system board.
7. Disconnect the right speaker cable from connector J15 on the system board.
8. Lift the speakers and cables out of the bottom plastic.
PC Card Cage Removal
The PC Card cage is supplied as a part of the system board assembly. However, if only the PC Card cage needs replacement, use this procedure
to remove and replace the PC Card cage. You do not need to remove the entire system board.
To remove the PC Card cage, see the exploded view of the base assembly and perform the following steps:
1. Remove the display assembly .
2. Remove the keyboard .
3. Remove the palmrest assembly .
4. Remove the system board rails .
5. Remove the LVDS board , modem card (if present), and video board .
6. Remove the four 14-mm screws securing the PC Card cage to the system board.
FPH 2.5 x 5 (2) 3.0 –3.5 kgf-cm
FPH 2.5 x 16 (1) 3.0 –3.5 kgf-cm
Type of Screw Torque
FPH 2.5 x 14 (1) 3.0 –3.5 kgf-cm
NOTE: The left and right speakers are interchangeable. Note the routing of the speaker cables through the plastic routing ribs for
installation.
Type of Screw Torque
PNH 2 x 14 (4) 1.5 –1.8 kgf-cm