Zenithink ZTPAD ZT280 C91 Motherboard Replacement

简介

In the process of disconnecting the motherboard you will begin with taking off 4 screws with a phillips screwdriver. Once that is done you should be careful with disconnecting all the cables connected to the board, making sure you don't tear any of the wires.

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步骤 1 Back Panel

Zenithink ZTPAD ZT280 C91 Motherboard Replacement, Back Panel: 步骤 1 中的图像 1，1

Remove the two screws on the bottom using a Phillips #00 screwdriver.
For differentiation purposes, these screws are 4mm long.

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步骤 2

Zenithink ZTPAD ZT280 C91 Motherboard Replacement: 步骤 2 中的图像 3，3

Using a spudger, start prying the case apart by working around the edge slowly.
Be careful not to damage any of the latches that hold the back panel in place, especially if you are using a metal spudger.
While prying, be careful to not lose the power and volume buttons; the case is the only thing holding them in place so they will easily come out once the panel has been removed
Be careful to not damage the speaker cables, they will still be connecting both panels.

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步骤 3 Motherboard

Zenithink ZTPAD ZT280 C91 Motherboard Replacement, Motherboard: 步骤 3 中的图像 1，1

Peel back the touch interface chip (which is on the top right of the motherboard, covered in yellow tape.)

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步骤 4

Flip up the small gate and unplug the ribbon cable shown.

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步骤 5

Using a Phillips #00 screwdriver, remove the screws highlighted with the orange rings as shown in the picture.
For differentiation purposes, these screws are 3.5mm long.

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步骤 6

Slide back the plastic latch for the main display cable.
Carefully unplug the cable with tweezers.

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步骤 7

Slide back the plastic latch for the camera cable.
Carefully unplug the cable with tweezers.

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步骤 8

Peel back the reflective tape.

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步骤 9

Lift up the motherboard assembly, starting by lifting up the top.
Be careful not to damage any of the ports on the underside of the tablet.
The camera cable will slide through a small notch and end up underneath the board.