How to Change the Battery in the Zune 8Gb

Step-by-Step Guide

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   Step 1: Order a replacement battery for your Zune.

   Use a flat tip and pry out the cover., You need a special tri-tip one or use a small flat head.,, So you need to apply a little bit of force, and do not worry about deforming the battery., Carefully mark the polarity of the tabs by use a DVM.
   
   Unsolder the battery tabs, and remove the battery., Make sure to use a DVM to mark the battery tab polarity; you don't want to short the VDD to GND! Remove the battery and throw away the new PCB., Make sure of the correct polarity when solder the battery tabs to the old PCB.,, Snap on the fake metal cover.,
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   Step 2: Follow this link on how to disassemble the device: http://www.rapidrepair.com/guides/zune2/Flash-Zune-8GB-Take-Apart-Guide.htm

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   Step 3: Stop at step 6a:

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   Step 4: Locate the fake metal plate on top of the device.

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   Step 5: Take out the 2 screws.

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   Step 6: Use your fingernail and pry out the back cover.

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   Step 7: Remove the battery which is held in place a a glob of glue.

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   Step 8: Use a sharp Exacto knife a side open the top of the battery to expose the small PCB which is attached to the battery by 2 tabs.

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   Step 9: Perform the above steps on the new battery.

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    Step 10: Solder the new battery to the old PCB.

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    Step 11: Fold back the PCB and tape it to the battery by using either Kapton polyimide film or electrical tape.

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    Step 12: Snap back the cover

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    Step 13: and put back the 2 screws.

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    Step 14: Your Zune is now brand new!

Detailed Guide

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