HP PAVILION DV3 - Manual (Page 60)

System board
NOTE: All system board spare part kits include replacement thermal material.
Description Spare part number
System board (includes replacement thermal material and power connector cable) 506147-001
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 32 ).
5. Remove the following components:
a. Optical drive (see Optical drive on page 35 )
b. Hard drive (see Hard drive on page 38 )
c. Keyboard and switch cover (see Keyboard and switch cover on page 40 )
d. Display assembly (see Display assembly on page 43 )
e. Top cover (see Top cover on page 49 )
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:
● WLAN module (see WLAN module on page 33 )
● Memory modules (see Memory module on page 36 )
● RTC battery (see RTC battery on page 57 )
● Fan/heat sink (see Fan/heat sink assembly on page 58 )
● Processor (see Processor on page 60 )
Remove the system board:
1. Disconnect the power connector (1) from the base enclosure.
2. Disconnect the audio board cable (2) from the system board.
52 Chapter 4 Removal and replacement procedures