System board
NOTE:
All system board spare part kits include a processor and replacement thermal material.
Description
Spare part numbers
Equipped with an AMD A4-9120C (turbo up to 2.2/2.5 GHz) quad core processor (2133 MHz, 8.0 MB L3
cache, 15 W), a graphics subsystem with UMA video memory, 4 GB of system memory, 32 GB of eMMC
memory, and the Chrome operating system.
L51319-001
Equipped with an AMD A4-9120C (turbo up to 2.2/2.5 GHz) quad core processor (2133 MHz, 8.0 MB L3
cache, 15 W), a graphics subsystem with UMA video memory, 4 GB of system memory, 64 GB of eMMC
memory, and the Chrome operating system.
L51320-001
Equipped with an AMD A4-9220C (turbo up to 2.2/2.5 GHz) quad core processor (2133 MHz, 8.0 MB L3
cache, 15 W), a graphics subsystem with UMA video memory, 4 GB of system memory, 32-GB of eMMC
memory, and the Chrome operating system.
L51321-001
Equipped with an AMD A6-9220C (turbo up to 2.2/2.5 GHz) quad core processor (2133 MHz, 8.0 MB L3
cache, 15 W), a graphics subsystem with UMA video memory, 4 GB of system memory, 64-GB of eMMC
memory, and the Chrome operating system.
L51322-001
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 bottom cover (see
), and then remove the following components:
▲
Battery (see
)
When replacing the system board, be sure to remove the following components from the defective system
board and install them on the replacement system board:
●
Heat sink (see
)
Remove the system board:
1.
Disconnect the following cables:
(1) Display panel ZIF connector cable
(2) Power connector cable
(3) Webcam/microphone module cable
(4) Speaker cable
(5) Connector board ZIF connector cable
(6) Audio jack board ZIF connector cable
(7) TouchPad ZIF connector cable
(8) Keyboard ZIF connector cable
(9) Backlight ZIF connector cable
(10) Hard drive ZIF connector cable
30
Chapter 5 Removal and replacement procedures
Содержание Chromebook 14-db0 Series
Страница 4: ...iv Safety warning notice ...
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