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Installing iPod Nano 4th Generation Logic Board Assembly

Replacing the logic board assembly gives you new flash memory as well as a new battery.

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Tools
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Step 1 — Logic Board Assembly  ¶ 

  • Insert an iPod opening tool between the bottom bezel and the dock connector.

  • Separate the bottom bezel from the adhesive securing it to the Nano and set it aside.

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Step 2  ¶ 

  • Remove the three Phillips screws along the bottom of the Nano.

  • These screw heads are extremely small and easily stripped.

  • The slightly longer of the three screws belongs in the middle.

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Step 3  ¶ 

  • Use an iPod opening tool to pry the aluminum dock bezel out of the Nano.

  • The dock bezel is very thin cast aluminum. To avoid breaking it, do not excessively flex it during removal.

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Step 4  ¶ 

  • Use the flat end of a spudger to separate the battery from the adhesive securing it to the outer case.

  • The lithium polymer battery used in the Nano is very flexible. Try not to deform it excessively while separating it from the outer case.

  • Use the flat end of a spudger to push the logic board assembly and battery slightly out of the bottom of the Nano. Stop once it pops out a little bit.

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Step 5  ¶ 

  • Use the edge of an iPod opening tool to peel the click wheel ribbon cable and its ZIF socket off the dock connector.

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Step 6  ¶ 

  • Use the edge of an iPod opening tool to flip the ZIF cable lock up toward the headphone jack.

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Step 7  ¶ 

  • Use a pair of tweezers to slide the click wheel ribbon cable out of its socket.

  • Before proceeding, be sure that both the click wheel ribbon cable socket and its cable are freed from the adhesive securing them to the dock connector and logic board.

  • Peel back the cable on both ends!

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Step 8  ¶ 

  • Pull the logic board assembly out of the outer case, minding the hold switch and click wheel cables that may get caught.