Brightsign 4k LED Display Replacement

简介

If the device's LED display is not working, follow this guide to replace the LED display on your BrightSign 4k player.

Tech Tip: this Replacement guide will require the use of a soldering iron to remove solders, so check out the soldering guide if you're unfamiliar with the process.

你所需要的

步骤 1 Outer Shell

Brightsign 4k LED Display Replacement, Outer Shell: 步骤 1 中的图像 1，3

Brightsign 4k LED Display Replacement, Outer Shell: 步骤 1 中的图像 2，3

Brightsign 4k LED Display Replacement, Outer Shell: 步骤 1 中的图像 3，3

Remove three 8mm screws from the left side of the device.
Remove four 8mm screws from the right side of the device.

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步骤 2

Brightsign 4k LED Display Replacement: 步骤 2 中的图像 3，3

Apply pressure on the SD card to pop it out of the port.
Remove the card by pulling it out.

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步骤 3

Brightsign 4k LED Display Replacement: 步骤 3 中的图像 3，3

Press down on the top cover of the device and slid it towards you until you see a slight gap created.
Lift the top cover off.

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步骤 4

Brightsign 4k LED Display Replacement: 步骤 4 中的图像 3，3

Slide the body case back away from the bottom.
Pull up the body case to remove it from the bottom.

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步骤 5 Motherboard Removal

Brightsign 4k LED Display Replacement, Motherboard Removal: 步骤 5 中的图像 1，2

Brightsign 4k LED Display Replacement, Motherboard Removal: 步骤 5 中的图像 2，2

Remove the four 8mm screws at each corner of the motherboard with a JIS #0 screwdriver.

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步骤 6

Lift the motherboard out of the casing.

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步骤 7 LED Display

Brightsign 4k LED Display Replacement, LED Display: 步骤 7 中的图像 1，2

Brightsign 4k LED Display Replacement, LED Display: 步骤 7 中的图像 2，2

Turn the motherboard over and locate the solders holding the LED Display in place.
Use the soldering iron to desolder the sixteen solder joints and remove the melted solder with the pump shown in Step 8.
The soldering iron can become extremely hot, handle with caution.

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步骤 8

Brightsign 4k LED Display Replacement: 步骤 8 中的图像 3，3

在这个步骤中使用的工具：

Desoldering Pump

$3.99

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Apply the desoldering pump to remove the melted part from the motherboard (press the button to release it).
After the solders have been removed, gently pull the LED Display from the motherboard.