System Board - HP Pavilion dv4 Maintenance And Service Manual

System board

NOTE: The system board spare part kit includes replacement thermal material. Replacement thermal
material is also available in the Thermal Material Kit, spare part number 651046-001.
Description
For use only with computer models equipped with an AMD processor and a graphics subsystem with
discrete video memory (includes 1-GB of graphics subsystem memory)
For use only with computer models equipped with an AMD processor and a graphics subsystem with
UMA video memory
For use only with computer models equipped with an Intel processor and a graphics subsystem with
discrete video memory (includes 1-GB of graphics subsystem memory)
For use only with computer models equipped with an Intel processor and a graphics subsystem with
UMA video memory
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
a. WLAN module (see
b. WWAN module (see
c. Optical drive (see
d. Hard drive (see
e. Keyboard (see
f. Top cover (see
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:
●
SIM (see
●
RTC battery (see
●
Memory module (see
●
Heat sink (see
●
Fan (see
●
Processor (see
76 Chapter 4 Removal and replacement procedures
Battery on page
WLAN module on page
WWAN module on page
Optical drive on page
Hard drive on page
Keyboard on page
Top cover on page
SIM on page 42)
RTC battery on page
Memory module on page
Heat sink on page
Fan on page 88)
Processor on page
41), and then remove the following components:
44)
47)
52)
55)
57)
60)
49)
50)
80)
85)
Spare part number
653427-001
653428-001
650486-001
650485-001