Comments on: DIY aux input on Alpine car stereo (M-BUS) http://doswa.com/blog/2010/01/01/diy-aux-input-on-alpine-car-stereo-m-bus/ Programming, physics, mathematics Fri, 11 Jun 2010 03:14:37 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: David http://doswa.com/blog/2010/01/01/diy-aux-input-on-alpine-car-stereo-m-bus/comment-page-1/#comment-1456 David Tue, 18 May 2010 21:18:03 +0000 http://doswa.com/blog/?p=324#comment-1456 The M-BUS protocol does not require a trigger signal (thought it can accept one—details at http://web.archive.org/web/20050509160913/http://joerg.hohensohn.bei.t-online.de/mbus/). Provided the radio is set to the correct mode (aux), it just amplifies whatever is sent into left/right signal pins. As for setting it to the correct mode, check your radio's manual. If you don't have the original, look up the model number online and I'm sure you'll be able to find it. The M-BUS protocol does not require a trigger signal (thought it can accept one—details at http://web.archive.org/web/20050509160913/http://joerg.hohensohn.bei.t-online.de/mbus/). Provided the radio is set to the correct mode (aux), it just amplifies whatever is sent into left/right signal pins. As for setting it to the correct mode, check your radio’s manual. If you don’t have the original, look up the model number online and I’m sure you’ll be able to find it.

]]> By: V http://doswa.com/blog/2010/01/01/diy-aux-input-on-alpine-car-stereo-m-bus/comment-page-1/#comment-1455 V Tue, 18 May 2010 19:55:40 +0000 http://doswa.com/blog/?p=324#comment-1455 I have the same plug in my old Mercedes branded Alpine radio. But I don't have a "Setup" menu. I believe there is a remote trigger signal that needs to be sent to the radio to switch it into the CD Player mode. Do you know which line needs to be triggered? I found a reference to it here http://www.rockbox.org/mail/archive/rockbox-archive-2003-11/0476.shtml but none of the links work. Do I need to add 12v to the bus pin? I have the same plug in my old Mercedes branded Alpine radio. But I don’t have a “Setup” menu. I believe there is a remote trigger signal that needs to be sent to the radio to switch it into the CD Player mode.

Do you know which line needs to be triggered? I found a reference to it here http://www.rockbox.org/mail/archive/rockbox-archive-2003-11/0476.shtml but none of the links work. Do I need to add 12v to the bus pin?

]]> By: David http://doswa.com/blog/2010/01/01/diy-aux-input-on-alpine-car-stereo-m-bus/comment-page-1/#comment-1221 David Wed, 14 Apr 2010 14:56:24 +0000 http://doswa.com/blog/?p=324#comment-1221 Hi Jack, When I was looking for information about the subject, I recall that Alpine had two standards for the cables: AI-NET and M-BUS. I looked up the manual for your CDA 9855, and it appears to be Ai-NET (manual: <a href="http://a248.e.akamai.net/pix.crutchfield.com/manuals/500/500cda9853.pdf" rel="nofollow">[link]</a>). I suspect that you probably have a M-BUS cable, and that's why it's not fitting. There's a pinout for Ai-NET at <a href="http://www.mp3car.com/vbulletin/input-devices/79766-diy-alpine-ai-net-rca-head-phone-adapter-ipod-gurus-needed.html" rel="nofollow">this link</a>. The pins of interest to you are 4, 5, and 6. David Hi Jack,

When I was looking for information about the subject, I recall that Alpine had two standards for the cables: AI-NET and M-BUS. I looked up the manual for your CDA 9855, and it appears to be Ai-NET (manual: [link]). I suspect that you probably have a M-BUS cable, and that’s why it’s not fitting.

There’s a pinout for Ai-NET at this link. The pins of interest to you are 4, 5, and 6.

David

]]> By: Jack http://doswa.com/blog/2010/01/01/diy-aux-input-on-alpine-car-stereo-m-bus/comment-page-1/#comment-1219 Jack Wed, 14 Apr 2010 06:49:09 +0000 http://doswa.com/blog/?p=324#comment-1219 Hey David, I have a CDA 9855, It is pretty old school now but still a good deck. I want to hook up an AUX cable however alpine have changed the aux cable they sell and now the grove in the side wont line up, although from memory the pin to pin hole arrangement was the same. I considered buying the cable pulling the metal grove and pugging it in and hoping the pins are the same but I never tried. I want to know is there any way i can stuff my unit by trial and error? and is there any way i can test the holes to figure it out. I'll check to night the diagram at "pinouts.ru" is the same but i think it is slightly different. Any help would be great. Jack Hey David,

I have a CDA 9855, It is pretty old school now but still a good deck. I want to hook up an AUX cable however alpine have changed the aux cable they sell and now the grove in the side wont line up, although from memory the pin to pin hole arrangement was the same. I considered buying the cable pulling the metal grove and pugging it in and hoping the pins are the same but I never tried.

I want to know is there any way i can stuff my unit by trial and error? and is there any way i can test the holes to figure it out.

I’ll check to night the diagram at “pinouts.ru” is the same but i think it is slightly different.

Any help would be great.

Jack

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