HP Compaq 6530b Maintenance And Service Manual page 108

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
●
WLAN module (see
●
Memory modules (see
on page
●
WWAN module (see
●
Processor (see
Remove the system board:
1. Position the computer with rear panel toward you.
2. Remove the four Phillips PM2.0×3.0 broad-head screws (1) and the two hex HM5.0×9.0 screw
locks (2) that secure the system board bracket to the base enclosure.
3. Remove the system board bracket (3).
4. Position the computer with the front toward you.
5. Disconnect the Bluetooth module cable (1) and the modem module cable (2) from the system
board.
NOTE:
100 Chapter 4 Removal and replacement procedures
RTC battery on page
WLAN module on page
Expansion memory module on page 59
63)
WWAN module on page
Processor on page
Step 6 applies only to computer models not equipped with WWAN capability.
54)
57)
64)
72)
and Primary memory module