Samsung Series 9 NP900X4B-A02 I/O PCB Replacement

はじめに

Following this guide will ensure a safe and easy way to replace the Input/Output Printed Circuit Board (I/O PCB) in your Samsung Series 9 (NP900X4B-A02) laptop. No other skills are required to to replace this board, which means anyone can accomplish this task.

The I/O PCB is the board that controls most of the interaction between a person and their computer. As with other circuit boards, a problem with your I/O PCB can be difficult to diagnose. Before replacing your I/O PCB, be sure that the board is the cause of the issue.

Before beginning this guide, ensure that your laptop is powered off and disconnected from its power source.

必要な工具と部品

手順1 Battery

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Battery: 手順 1、 2の画像 1

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Battery: 手順 1、 2の画像 2

Ensure computer is unplugged and powered down before continuing.
Remove the ten screws along the base using a Phillips #000.
Use a Plastic Opening Tool to pry open the base .

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手順2

The battery is now unobstructed from your view.
Before removing the battery, use the plastic opening tool to detach the ribbon wire cable that connects the battery to the motherboard.

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手順3

Use the Phillips #000 screwdriver to remove six screws that are holding the battery in place.

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手順4

Lift and pull out the battery.

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手順5 Speaker

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Speaker: 手順 5、 3の画像 1

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Speaker: 手順 5、 3の画像 2

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Speaker: 手順 5、 3の画像 3

Unplug the left speaker's cable from the motherboard.
Lift up and remove the left speaker.

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手順6

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement: 手順 6、 3の画像 3

Unplug the right speaker's cable from the motherboard.
Lift up and remove the right speaker.

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手順7 Fan

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Fan: 手順 7、 2の画像 1

Samsung Series 9 NP900X4B-A02 I/O PCB Replacement, Fan: 手順 7、 2の画像 2

Next locate the two Phillips #0 2.5mm screws on both the top right and bottom left corner of the fan.

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手順8

After locating the screws, using the Phillips #0 screwdriver, remove the screws from the fan.

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手順9

Use the plastic opening tool to remove the cable connector from its housing which is just to the right of the fan.

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手順10

Once the cable has been removed from its housing you are free to remove the fan from the laptop.
You can either clean the fan with a computer duster or other cleaner, or replace it with a new one.

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