Homemade MPX200 * Full Function * Headphones ----- Headphone DIY

Homemade mpx200 * * Full-featured headset, headphone DIY Keywords: self-made mobile phone headset line, mobile phone headset line production Buy mpx200 later he added a battery block, but the headphones, js said, did not have to buy, so he had to think of ways to start, went Philips repair station, by! ! 530 headphones actually buy a 180 ocean, the knife is too big, I can not stand. Color is still a brandy, and it does not match the MPX200. So, start to visit the mobile phone market, don't say, there are several headphones of the 4-core 2.5 plug, first tried a nokia8310's double ear, but I don't know if it is a double channel, because the sound quality is too bad, so I don't try it. If you have interested brothers, you can find it. There nokia monaural headset does not ring. But added that Philips is also one ear, because it all comes down to is not found suitable. Altogether, I spent 10 yuan to buy a headset nokia ocean monaural with the answer key, ready to take a chance the final results of the homemade, actually succeeded Now I'll tell you about the procedure to test a bit first circuit nokia headset, which was found from the roots, the core 3 with a microphone, headset with 2,4 core. Master the basic situation. I have a motorola l2000 mobile phone use monaural headset, there is no answer key, and can be used in mpx200, through the analysis of his. Designed the following circuit diagram with the circuit diagram, it would be easier to find the start of the first two-channel stereo headphones, because it is for the first time, did not dare 拿森海瑟尔 surgery and his ilk, casually pulls out a cut off plug part, leaving a suitable length and then, part of the headset the headset nokia cut off, the new sub-line microphone portion, and after the two-channel stereo headphones good welding between the welding head to stay in the shell of the microphone, more crowded . Fortunately, just enough. Finally, closure, absence of a suitable adhesive, have had the first magnet wire wraps. ok sorry it completed because the busy forget the camera, only for everyone to see the finished. Be Be Finally, test call, ok answer the phone, press the answer button, ok music, ok movie, ok. . . . . . . . . . . okokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokokok last old-fashioned look, with a beta player0.95 found to actually phone automatically shield film sound when watching movies, but there is noise. However, take calls back again, the movie has played a part. I hope you can like me to succeed. 2005.01.17 Sorry, a circuit diagram of a little problem, I use the headset nokia original answer key switch, which is a four pads, wherein the core 2 then 4, then two microphones, sorry, the original 2005.02.21 Saturday and maintenance was not clear the following headset, take the multimeter to measure the following, the update circuit diagram