Recently I purchased a cheap pair of wireless headphones so I could hear the TV while running on the treadmill. Unfortunately, I sweat a lot and all over the ear cups.
So I opened up the headphones and am planning to rewire the outputs to a headphone jack. And to cheap out even more I plan to desolder the line in jack and rewire it to be the output jack.
Hopefully this makes sense thus far.
What doesn't make sense to me (and what I'm hoping to have someone explain to me) is the existing wiring scheme for the circuit.
The left earphone (L-) is directly wired to the 3V power battery power source (-'ive terminal I believe) which also was wired to ground. The L+ terminal on the earphone goes to the L+ terminal marked on the circuit board (via the thin blue wire).
Please forgive me if some of my terms or wiring interpretations are incorrect.
The right earphone wiring seems more straightforward to me. R+ to R+; R- to R-.
1) Is the left earphone wiring scheme normal?
2) Can I use the existing line in jack hardware as a line out? (It's on the other side of the board and has a L-,L+,R-R+& ground prongs.)
3) If so do I follow the same general wiring scheme? Or will this damage the headphones that I plug in to the jack?
4) Are the L- and R- going to ground anyway so I can just wire them together and then to ground?
I can provide an image of the board if you'd like.
So I opened up the headphones and am planning to rewire the outputs to a headphone jack. And to cheap out even more I plan to desolder the line in jack and rewire it to be the output jack.
Hopefully this makes sense thus far.
What doesn't make sense to me (and what I'm hoping to have someone explain to me) is the existing wiring scheme for the circuit.
The left earphone (L-) is directly wired to the 3V power battery power source (-'ive terminal I believe) which also was wired to ground. The L+ terminal on the earphone goes to the L+ terminal marked on the circuit board (via the thin blue wire).
Please forgive me if some of my terms or wiring interpretations are incorrect.
The right earphone wiring seems more straightforward to me. R+ to R+; R- to R-.
1) Is the left earphone wiring scheme normal?
2) Can I use the existing line in jack hardware as a line out? (It's on the other side of the board and has a L-,L+,R-R+& ground prongs.)
3) If so do I follow the same general wiring scheme? Or will this damage the headphones that I plug in to the jack?
4) Are the L- and R- going to ground anyway so I can just wire them together and then to ground?
I can provide an image of the board if you'd like.