HP EliteBook Folio 9470m, Руководство по техническому обслуживанию и ремонту

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System board
NOTE: The system board spare part kit includes replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Windows 7 or non-Windows operating systems
xxxxxx-501: Windows 8.1 Standard operating system
xxxxxx-601: Windows 8.1 or Windows 10 operating system
Description Spare part number
Intel Core i7-4650U processor 769720-xxx
Intel Core i7-4600U processor 769719-xxx
Intel Core i5-4310U processor 769718-xxx
Intel Core i5-4210U processor 769717-xxx
Before removing the system board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see Battery on page 29 ), and then remove the following components:
a. Hard drive cover (see Hard drive cover on page 32 )
b. Hard drive (see Hard drive/SSD drive on page 33 )
c. Service cover (see Service cover on page 38 )
d. Fan (see Fan on page 58 )
e. Keyboard (see Keyboard on page 45 )
f. Base enclosure (see Base enclosure on page 53 )
NOTE: 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 SIM on page 30 , if applicable)
●
Memory module (see Memory module on page 39 )
●
WWAN module (see WWAN module on page 41 )
●
WLAN module (see WLAN module on page 43 )
●
Heat sink (see Heat sink on page 62 )
Remove the system board:
1. Disconnect the following cables:
●
(1): Right speaker cable
●
(2): Display panel
Component replacement procedures 59