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1. Use a small screwdriver to open the cover. On this headset, it was tightened with a small amount of glue. It was no problem to carefully open it without destroying it.
2. Open it carefully. You will clearly see the mic and the switch. The interesting stuff is on the back of the board. Flip it back carefully from the top.
3. Now you can see where the headphones are connected. The four cables are connected to points clearly marked: L+, L-, R+ and R-.
4. Pick up your soldering iron and remove the old headphones.
5. I used an extension cable for headsets that also featured a volume control with a small clip so that I can clip the device onto my jacket. This will let the mic be placed in a useful position as well. The pin layout for a minijack is: tip=left, ring=right, sleve=ground. You can of course use any female minijack. Just make sure you know what cables is left, right and ground.
6. Make a hole in the plastic to be able to insert the new cable. Solder the cable connected to the tip contact point to the place on the board marked L+, the cable connected to the ring to R+ and the ground cable to one of the negative connections, left or right. Here you can see that we have used L+, R+ and only L- for the ground connection.
7. Depending on what kind of cable there is on your new connection you might want to throw in a drop of glue at the spot where it leaves the box. You want it to sit tight so this baby will last through all the extreme sports you do while listening to the Engadget podcast on your mobile.. You might also want to use some drops of glue on the case itself.
It will clip nicely back together, but you know - that 360 mute grab on your new pair of skis might put some strain on your equipment…
Thats it!!! Enjoy...
The mic still works fine, and when using the phone as a …phone, all the people I talk to sound great as well!
