Lenovo Tab 4 TB-8504F Motherboard Replacement

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• Start at the microSD slot.
• Use the opening pick to slide underneath the back cover of the tablet.
• Slide the opening pick around the tablet until the back cover is off.
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Tweezers
$4.99
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• Remove the 8 screws with a Phillips #000 screwdriver [bit].
• There is a screw under the blue "s" sticker.
• Remove tape holding plate down.
• Use precision tweezers or your fingers to remove plate.
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• Remove yellow tape.
• Use a spudger or plastic opening tool to remove the battery's ribbon cable from the motherboard.
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• Gently pull on the two stretch release adhesive strips. Do not pull up, pull away from battery.
• Once the tabs are off, lift the battery up from the frame.
• Do not bend or puncture the battery.
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crwdns2931653:05crwdne2931653:0 MicroSD Card Reader

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Tweezers
$4.99
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• There is a yellow tape holding the microSD card reader connector. Use tweezers to hold down the tape.
• Gently lift the tab on the microSD card reader's ZIF connector, and gently pull the ribbon cable free.
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• Lift the microSD card reader with tweezers or your fingers.
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crwdns2931653:07crwdne2931653:0 Rear Camera

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Tweezers
$4.99
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• Use a spudger to lift the rear camera press-fit connector up and free.
• Use tweezers to lift the rear camera out of the frame.
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crwdns2931653:08crwdne2931653:0 Front Camera

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Tweezers
$4.99
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• Using tweezers, lift the yellow tape hiding the front camera.
• Disconnect the front camera's connector from the motherboard using tweezers.
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crwdns2931653:09crwdne2931653:0 Motherboard

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Tweezers
$4.99
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• Use tweezers to pull screen digitizer cable from the motherboard.
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• Desolder the two top speaker wires from the motherboard.
• Be careful as the soldering iron is hot! Improper handling can result in severe burns.
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• Desolder the black and red speaker wires from the motherboard.
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• Use a Phillips #000 screwdriver to remove the two screws that secure the speaker to the motherboard.
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• Lift motherboard from the tablet.
• Using your hand, you can separate the top speaker from the motherboard.
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Ivan Chavez

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Purdue University Northwest, Team S2-G4, Hingst Spring 2019 crwdns2935289:0Purdue University Northwest, Team S2-G4, Hingst Spring 2019crwdne2935289:0

PNW-HINGST-S19S2G4

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