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Zenithink ZTPAD ZT280 C91 Motherboard Replacement

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  1. Zenithink ZTPAD ZT280 C91 Motherboard Replacement, Back Panel: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Remove the two screws on the bottom using a Phillips #00 screwdriver.

    • For differentiation purposes, these screws are 4mm long.

  2. Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • 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.

  3. Zenithink ZTPAD ZT280 C91 Motherboard Replacement, Motherboard: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Peel back the touch interface chip (which is on the top right of the motherboard, covered in yellow tape.)

  4. Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Flip up the small gate and unplug the ribbon cable shown.

  5. Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • 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.

  6. Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
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    Tweezers
    $4.99
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    • Slide back the plastic latch for the main display cable.

    • Carefully unplug the cable with tweezers.

  7. Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Slide back the plastic latch for the camera cable.

    • Carefully unplug the cable with tweezers.

  8. Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Peel back the reflective tape.

  9. Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Zenithink ZTPAD ZT280 C91 Motherboard Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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.

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To reassemble your device, follow these instructions in reverse order.

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Keelie Beach

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University of North Texas, Team S6-G1, Thompson Fall 2018 crwdns2935289:0University of North Texas, Team S6-G1, Thompson Fall 2018crwdne2935289:0

UNT-THOMPSON-F18S6G1

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