Introduction
Use this guide to remove and replace a worn out or dead battery in a Sony Walkman NW-A45.
For your safety, turn on your Sony Walkman NW-A45 and allow the battery to fully discharge before starting this procedure. A charged lithium-ion battery can be very dangerous if accidentally punctured.
Remember: follow general electrostatic discharge (ESD) safety procedures while repairing your device.
Don't reuse the battery after it's been removed, as doing so is a potential safety hazard. Replace it with a new battery.
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Insert a Jimmy into the thin gap between the shell and the side of the top cover, along the edge of one of the panels.
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Pry up on the top cover to release it from the adhesive.
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Insert a Jimmy into the thin gap between the shell and the side of the bottom cover, along the edge of one of the panels.
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Pry up on the bottom cover to release it from the adhesive.
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Flip the walkman on its screen.
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Insert a Jimmy into the thin gap between the side panel and shell, along the edge of the panel.
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Slowly pry up the back cover to release it from its adhesive.
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Remove the five screws holding down the battery and NFC Module using a Phillips #00 screwdriver.
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Detach the ribbon cable connecting the NFC Module by pulling outward.
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Heat a soldering iron to 420 degrees Celsius.
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Heat up the old solder in the Walkman and remove the wire from its terminal.
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Loosen the battery adhesive by using isopropyl alcohol.
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Pry out the battery using plastic cards.
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Remove the battery.
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To reassemble your device, follow these instructions in reverse order.
