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afterdawn.com > forums > general discussion > all other topics > how convert cd changer to 3.5mm plug?
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How convert CD Changer to 3.5mm plug?
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solomong
Junior Member
_ 		23. August 2010 @ 00:27 _ Link to this message    Send private message to this user   
My car has the CD-changer-ready stock radio system. I currently have a FM modulator for my MP3 player but the sound quality is pretty mediocre. I would like to add a music player/aux-in so I was browsing through what connections there are.

The CD changer is controlled through the i-bus but the audio connection seems pretty basic. Would it be this simple to tap into the line-out from the back input of the radio to the CD-changer to a 3.5mm jack on a music player? I have seen an Alpine M-Bus to 3.5mm cable, but I'm not sure if by using only that and plugging the player I will have sound. I think that the changer (if it had one)sends some kind of signal to the radio saying that it is there and can be used. I don't know if the same thing will happen with the MP3 player or will it just sit there without sending sound.

I think is just too easy to plug the cable adapter and hope for it to work. Does anybody have experience with this?
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This message has been edited since posting. Last time this message was edited on 23. August 2010 @ 00:33
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ddp
Moderator
_ 		23. August 2010 @ 13:12 _ Link to this message    Send private message to this user   
moved to correct forum as not an audio issue.
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solomong
Junior Member
_ 		26. August 2010 @ 00:50 _ Link to this message    Send private message to this user   
Originally posted by ddp:
 moved to correct forum as not an audio issue.
Ok...didn't know.
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KillerBug
AfterDawn Addict

1 product review
_ 		26. August 2010 @ 05:57 _ Link to this message    Send private message to this user   
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solomong
Junior Member
_ 		26. August 2010 @ 23:41 _ Link to this message    Send private message to this user   
Originally posted by KillerBug:
 http://www.amazon.com/Cables-Go-Stereo-Female-Y-Cable/dp/B0002GUBIS/ref=sr_1_2?ie=UTF8&s=electronics&qid=1282816624&sr=8-2
Thanks but that's only a 3.5mm female to RCA, it has nothing to do with a cd-changer M-Bus plug.
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KillerBug
AfterDawn Addict

1 product review
_ 		28. August 2010 @ 04:17 _ Link to this message    Send private message to this user   
Sorry...didn't even read your whole post the first time.

Your MP3 player needs nothing to tell it to send sound other than what you would do to use it with headphones. I found a pinout of the m-bus that seems to show that it is just a simple Left/Ground/Right input...so a cable like this one: http://www.amazon.com/PIE-ALP-M-3-5M-Alp...82983084&sr=8-2 should work.

Here is the pinout if you want to try to make it yourself.
http://kiora.ath.cx/alpine/7513din.gif

...or if you already have a 3.5 to twin RCA adapter, you could save a few buck by getting this cable: http://www.amazon.com/PIE-M-RCA-Alpine-M...82983358&sr=1-4
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solomong
Junior Member
_ 		29. August 2010 @ 20:19 _ Link to this message    Send private message to this user   
Originally posted by KillerBug:
 Sorry...didn't even read your whole post the first time.

Your MP3 player needs nothing to tell it to send sound other than what you would do to use it with headphones. I found a pinout of the m-bus that seems to show that it is just a simple Left/Ground/Right input...so a cable like this one: http://www.amazon.com/PIE-ALP-M-3-5M-Alp...82983084&sr=8-2 should work.

Here is the pinout if you want to try to make it yourself.
http://kiora.ath.cx/alpine/7513din.gif

...or if you already have a 3.5 to twin RCA adapter, you could save a few buck by getting this cable: http://www.amazon.com/PIE-M-RCA-Alpine-M...82983358&sr=1-4
Great, man, that's all I needed to hear. Thanks again.
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solomong
Junior Member
_ 		11. September 2010 @ 17:45 _ Link to this message    Send private message to this user   
I bought the cable off ebay, installed it, but it didn't work. I pushed the AT-M button (don't know why it is called that)but all I could hear was a very faint sound of music in the background. I have a Suzuki 10 disc-changer-able radio.
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This message has been edited since posting. Last time this message was edited on 11. September 2010 @ 17:52
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ddp
Moderator
_ 		11. September 2010 @ 18:12 _ Link to this message    Send private message to this user   
if can hear music but barely then maybe need an amplifier?
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