Introduction

This is a guide outlining how to remove and replace the daughter board (also known secondary board). Make sure the battery is completely removed before working on the daughter board as to prevent shorts in the circuitry As a precautions ground yourself to prevent frying the internal components. Also make sure to keep track of screws and label them.

  1. Use the plastic tool to pry between the silver bezel and the back case
    • Use the plastic tool to pry between the silver bezel and the back case

    • Work the tool around the device to free the back case

    Be very careful when prying apart the back case. I was very cautious but still managed to slightly warp the silver bezel at one location, so after reassembly I have one small section of this bezel that won’t snap completely flush with the back case. That said, opening this tablet is surprisingly easy.

    Christian Dummer - Reply

  2. Remove the ribbon cables by lifting up the white retaining flap on the ZIF connectors, then pulling the ribbon cable away.
    • Remove the ribbon cables by lifting up the white retaining flap on the ZIF connectors, then pulling the ribbon cable away.

    • Do not kink the ribbon cables as they can break easily

    I removed both ribbon ends on the ASUS-labelled ends of the cable. FWIW, one of my connector lock tabs is white & the other is black.

    license - Reply

    In my case (a Z580CA instead of the Z580C pictured) one of the lock tabs was white and the other black, as the previous comment noted, but also the printing on the ribbon cables is slightly different (i.e. the white ribbon cable had “ASUS” printed on its left end, instead of what’s pictured above). What seems more consistent among models is the ID printed on either end of each ribbon cable:

    Top (white) cable: “SB” or “FPC_SB” ⟧≣≣≣≣⟦ “MB” or “FPC_MB”

    Bottom (orange) cable: “LCM” ⟧≣≣≣≣⟦ “MB”

    So, all in all, I agree with the previous comment — it’s enough if you remove the connectors on the “MB” end only.

    Christian Dummer - Reply

    • Remove the battery connector by prying it up away from the device using 2 plastic pry tools

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    • Remove all 9 of the 1.5mm #00 Philips screws

    • Gently lift the battery out of the device

    The tray only provides a mounting location for the battery which is securely stuck to the tray with foam tape. Pry them gently apart. I reinstalled my tray & screws, then reconnected the power cable and finally placed the battery into the tray. The clone battery is physically smaller than the original and the power cable isn’t in quite the same place but it does fit.

    license - Reply

    In my case I did remove the metal tray as I found it easier to pull the battery away once I had the tray in my hand. But if you know approximately where to insert a plastic tool to help separate the tape, I fully agree that removing the metal tray is completely unnecessary. FWIW, in my case I had two strips of double-sided tape, running vertically (considering the orientation of the picture above), one of them approximately at the level of the screw in the 11-o’clock position, the other approximately at the level of the 5-o’clock screw.

    Also, my tablet (Z580CA) had only eight screws (weird — the one at the 3-o’clock position was missing) and I found them to more closely match a 2.0mm screwdriver head.

    Christian Dummer - Reply

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    • To remove the ribbon cables, lift up the white retaining flap on the ZIF Connectors with a plastic pry tool

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    • Using the tweezers gently pull off the tape over the ribbon cable

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    • Using the tweezers gently pull the ribbon cable out from from the connector.

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    • Using the tweezers gently remove the connector from the yellow slot

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    • Cut the warranty tape connecting the daughter board to the metal plate under the battery

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    • Using the #00 Phillips head screwdriver, remove the remaining 1.5mm screws in the daughter board

    • Gently lift the daughter board from the device

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Conclusion

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

4 other people completed this guide.

John Astfanous

Member since: 10/04/2016

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USF Tampa, Team 2-2, Cagle Fall 2016 Member of USF Tampa, Team 2-2, Cagle Fall 2016

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One Comment

Thanks for helping me fix my beloved Zenpad!

Karen Detter - Reply

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