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Blunt force or exposure to water may lead to the microphone being damaged. Replacing the microphone on the Sony WH-CH520 is a moderately difficult task that requires a basic ability to solder along with a few tools and supplies.
Note: It may be possible to do this repair without extra solder if you reuse the solder connecting the wires and motherboard, but it is always good to have extra.
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Hold the headphones in one hand, and with your other hand lightly pinch the earpad cushion.
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Pull the pinched portion of the cushion up and towards yourself.
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Pull part of the cushion off of the lip of the headphones.
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Fully remove by pulling the earpad cushion down and away from yourself.
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Remove the three 2.5 mm screws from the headphones using a JIS #00 screwdriver.
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Place one end of an opening tool against the edge of the base with the hook-like side pushing up against the covering.
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Carefully pull the tool down against the edge to lift the covering.
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Move the tool to different spots around the base of the headphones to pry it up until the covering comes off.
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Desolder the wire attached to the B- terminal first.
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Desolder the wire attached to the M- terminal first.
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Desolder the wires attached to the microphone from the motherboard.
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Remove the microphone using tweezers.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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UMass Dartmouth, Team 2-2, Konn Fall 2024 crwdns2935289:0UMass Dartmouth, Team 2-2, Konn Fall 2024crwdne2935289:0
UMASSD-KONN-F24S2G2
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