HP PAVILION DM3, Maintenance And Service Manual

Page: 69 / 122

Removal and replacement procedures
Maintenance and Service Guide 4–33
System board
✎
The system board spare part kit includes replacement thermal material and an embedded processor.
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 4-6 ).
5. Remove the following components:
a. Hard drive (see “Hard drive” on page 4-9 )
b. Memory/wireless module compartment cover (see “WLAN module” on page 4-12 )
c. Keyboard (see “Keyboard” on page 4-16 )
d. Display assembly (see “Display assembly” on page 4-22 )
e. Top cover (see “Top cover” on page 4-19 )
When replacing the system board, be sure that the following additional components are removed from the defective
system board and installed on the replacement system board:
■
SIM (see “SIM” on page 4-8 )
■
WLAN module (see “WLAN module” on page 4-12 )
■
Memory modules (see “Memory module” on page 4-14 )
■
WWAN module (see “WWAN module” on page 4-11 )
■
Fan (see “Fan” on page 4-31 )
■
RTC battery (see “RTC battery” on page 4-15 )
Description Spare part number
AMD Athlon™ Neo Processor MV-40 (1.6-GHz, 512K L2 cache), UMA 581171-001
AMD Athlon™ Neo X2 Dual Core Processor L335 (1.6-GHz, 512K L2 cache), UMA 581172-001
AMD Turion™ Neo X2 Dual Core Processor L625(1.6-GHz, 1M L2 cache), UMA 581173-001
AMD Athlon™ Neo X2 Dual Core Processor L335 (1.6-GHz, 512K L2 cache), discrete 581175-001
AMD Turion™ Neo X2 Dual Core Processor L625(1.6-GHz, 1M L2 cache), discrete 581176-001
Intel Celeron Processor (1.2-GHz, 800-MHz front side bus (FSB), 1MB L2 cache), UMA 580660-001
Intel Pentium Processor (1.3-GHz, 800-MHz FSB, 2MB L2 cache),UMA 580661-001
Intel Pentium Processor (1.3-GHz, 800-MHz FSB, 2MB L2 cache), discrete 580662-001
Intel Core2Duo Processor (2.26-GHz, 1066-MHz FSB, 6MB L2 cache), discrete 580663-001
Intel Core2Duo Processor (1.3-GHz, 800-MHz FSB, 3MB L2 cache), UMA 584078-001