When replacing the system board, be sure that the following components are removed from the defective system
board and installed on the replacement system board:
■
RTC battery (see
■
Memory module (see
■
WLAN module (see
■
Fan/heat sink assembly (see
■
Processor (see
Remove the system board:
1. Disconnect the USB board cable 1 from its mounting clip in the base enclosure.
2. Disconnect the Bluetooth cable 2 from the system board.
3. Disconnect the RJ-11 cable 3 from the system board.
4. Disconnect the audio cable 4 from the system board.
CAUTION: Do not attempt to disconnect the optical extension board before removing the system board. Otherwise, you will
Ä
damage the locator pin on the optical extension board.
5. Remove the four Phillips PM2.5x6.0 screws 1 that secure the system board
6. Remove the two Phillips PM2.5x5.0 screws 2 that secure the optical extension board.
Removal and replacement procedures
"RTC battery" on page
"Memory module" on page
"WLAN module" on page
"Fan/heat sink assembly" on page
"Processor" on page
4-44)
4-12)
4-13)
4-15)
4-41)
4–39