Sony WH-CH520 Microphone Replacement

ID: 179258

Description: Blunt force or exposure to water may lead to...

Steps:

1. Hold the headphones in one hand, and with your other hand lightly pinch the earpad cushion.

2. Pull the pinched portion of the cushion up and towards yourself.
3. Pull part of the cushion off of the lip of the headphones.
4. Fully remove by pulling the earpad cushion down and away from yourself.

5. Remove the three 2.5 mm screws from the headphones using a JIS #00 screwdriver.

6. Place one end of an opening tool against the edge of the base with the hook-like side pushing up against the covering.
7. Carefully pull the tool down against the edge to lift the covering.
8. Move the tool to different spots around the base of the headphones to pry it up until the covering comes off.

9. There are two wires (one red and one black) connected to the B+ and the B- terminals on the motherboard.
10. Desolder the wire attached to the B- terminal first.

11. The wires will be attached to the M+ and M- terminals on the motherboard.
12. Desolder the wire attached to the M- terminal first.
13. Desolder the wires attached to the microphone from the motherboard.
14. Remove the microphone using tweezers.