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ASUS ZenPad S 8.0 Daughter Board Replacement

ASUS ZenPad S 8.0 Daughter Board Replacement

John Astfanous

John Astfanous and 4 other contributors

Last updated on May 7, 2024

5 minutes
Moderate

Introduction

Go to step 1

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.

What you need

Tools

  1. ASUS ZenPad S 8.0 Daughter Board Replacement, Rear Cover Removal: step 1, image 1 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement, Rear Cover Removal: step 1, image 2 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement, Rear Cover Removal: step 1, image 3 of 3
    • if present, remove the MicroSD card before disassembly. Failure to remove could lead to damage to the MicroSD card , rear cover, or MicroSD card slot.

    • 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

  2. ASUS ZenPad S 8.0 Daughter Board Replacement: step 2, image 1 of 2 ASUS ZenPad S 8.0 Daughter Board Replacement: step 2, image 2 of 2
    • 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

  3. ASUS ZenPad S 8.0 Daughter Board Replacement: step 3, image 1 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 3, image 2 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 3, image 3 of 3
    • Remove the battery connector by prying it up away from the device using 2 plastic pry tools

  4. ASUS ZenPad S 8.0 Daughter Board Replacement: step 4, image 1 of 2 ASUS ZenPad S 8.0 Daughter Board Replacement: step 4, image 2 of 2
    • Remove all 9 of the 1.5mm #00 Philips screws

    • Gently lift the battery out of the device

    • Use an opening pick or similar tool to separate the adhesive on the bottom and top of the battery.

  5. ASUS ZenPad S 8.0 Daughter Board Replacement, Daughter Board: step 5, image 1 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement, Daughter Board: step 5, image 2 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement, Daughter Board: step 5, image 3 of 3
    • To remove the ribbon cables, lift up the white retaining flap on the ZIF Connectors with a plastic pry tool

  6. ASUS ZenPad S 8.0 Daughter Board Replacement: step 6, image 1 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 6, image 2 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 6, image 3 of 3
    Tool used on this step:
    Tweezers
    $4.99
    • Using the tweezers gently pull off the tape over the ribbon cable

  7. ASUS ZenPad S 8.0 Daughter Board Replacement: step 7, image 1 of 2 ASUS ZenPad S 8.0 Daughter Board Replacement: step 7, image 2 of 2
    • Using the tweezers gently pull the ribbon cable out from from the connector.

  8. ASUS ZenPad S 8.0 Daughter Board Replacement: step 8, image 1 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 8, image 2 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 8, image 3 of 3
    • Using the tweezers gently remove the connector from the yellow slot

  9. ASUS ZenPad S 8.0 Daughter Board Replacement: step 9, image 1 of 2 ASUS ZenPad S 8.0 Daughter Board Replacement: step 9, image 2 of 2
    • Cut the warranty tape connecting the daughter board to the metal plate under the battery

  10. ASUS ZenPad S 8.0 Daughter Board Replacement: step 10, image 1 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 10, image 2 of 3 ASUS ZenPad S 8.0 Daughter Board Replacement: step 10, image 3 of 3
    • Using the #00 Phillips head screwdriver, remove the remaining 1.5mm screws in the daughter board

    • Gently lift the daughter board from the device

Conclusion

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

5 other people completed this guide.

John Astfanous

Member since: 10/04/16

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4 Comments

Thanks for helping me fix my beloved Zenpad!

Karen Detter - Reply

Karen, where did you get the replacement daughter board? I can’t find one anywhere! - Christine

Christine Collister -

Bought it here:

https://www.asusparts.eu/en/Asus-90NP01M...

This is Part Number: 32YU1CB0000,

“ASUSparts” internal part number: 90NP01M0-R10010

4andrew - Reply

Please clarify Step 9 - where exactly is the warranty tape that needs to be cut?

I have this unit and it stopped charging and stopped holding charge- I do not want to buy another unit as I invested a LOT of time in setting this one up…

Thanks

vshulyaker@gmail.com

Vladimir Shulyaker - Reply

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