Need wiring diagram for syn1301 stereo headset adapter

[cbz]

I would like to build a stereo headset adapter like the Mot SYN1301 for my motorcycle helmet. It would be helpful to have a schematic or wiring diagram of the SYN1301, otherwise I'll have butcher my own adapter. Does anyone have a schematic for the SYN1301? I am mainly interested in how the earphones, mic and switch are connected to the miniUSB.

[cKyMeebs]

Funny you should ask that...my first headset like this just crapped out on me and i'm in the process of fixing the circuit board where the mic is. Soon as I get a few minutes, I'll let you know.

PS: Isn't it kinda dangerous to listen to music through headphones whilst driving? Especially a motorcycle?!

[cbz]

If I mount the phones inside the helmet, and keep the volume at reasonable level it's no different than listening in your car. Thanks for your response. If you don't have a schematic for the circuit board, something showing what wire goes where would be helpful. I can give you an email address if needed.

[cKyMeebs]

are you interested in only the wires that go to the speakers? what exactly are you looking for so I don't have to map out the entire circuit board

[cbz]

I really don't want to recreate the circuit board. I actually don't know what the circuit does (does it amplify or is it just switches?), so I don't know if I need it. I can purchase a helmet headset that includes two speakers, a mic and a PTT switch. I need a diagram that I can use to wire up the helmet pieces to a mini USB plug. If the circuit board is necessary, I'll cut that out of my SYN1301 and wire that in too. Does that make sense?

[jsmithepa]

I believe stereo NEEDS amplification, that's the reason for the "bubble" else it would be just a straight cable.

[cbz]

cKyMeebs: I changed my mind. If you have any info on the schematic for the circuit board that would be very helpful. Thanks.

[cKyMeebs]

you know, I bought a new assessory pack from cingular but I will map out the circuitboard sometime this week. And jsmithepa is right...there is some amplification going on in that board.