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Author Topic: How to wire a ext. 3,5" jack to our headunits!  (Read 1305 times)

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Dany

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How to wire a ext. 3,5" jack to our headunits!
« on: 27 September 2010, 10:07:09 »

Or maybe a possible issue? Have just found this on the web, I have NOT TESTED, but may helps someone here perhaps  :y


VDO CDR 2005 - Line-IN

In this description I try to show how to build a Line-In to the VDO CDR 2005 radio from Opel (GM). For this you'll need to disconnect the radio out of your car, open it an do some soldering works. As far as I know if you do this you will not have any guarantee after works.

Ok - let's begin:

1. First of all you have to get the Radio out of the car and open the lower side (bootom):



The red oval marks the connector where the CD-Part of the Radio is connected to the
Radio's MainBoard.

2. In the next Picture you can see where to solder normal flexible wire for left and right channel an ground:

(Sorry blurred picture)

3. The other ends of the wire you connect to a normal "3,5mm jack":



4. Some extra works at the end:

With this method you're using the connectors of the CD-Part of the radio to put in a external Audio-Signal. This means the Radio has to run in CD-Mode so that you can hear your signal. The only way to get this radio into CD-mode is to put in a compact disk and play it. For that I generated a CD with only one track of 74 minutes with only silence on it. This you can do with any Audio-Editor (I used Magix Audio Deluxe 2005). To get your mp3-player running you have to put in the new "Silence-CD", plug your player to the "3,5mm jack"  and press the play button. Every 74 Minutes there will be a small break when the CD begins to play from the beginning. You can use you remote on the steering wheel if you have one to control the radio and it will interrupt if there is traffic information, just as if you played a normal CD.

Hope this will work for you too. I don't give any guarantee that this will work with your radio.
« Last Edit: 27 September 2010, 10:08:46 by moudufond »
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Dave DND

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Re: How to wire a ext. 3,5" jack to our headunits!
« Reply #1 on: 27 September 2010, 10:18:42 »

2 Issues with this conversion

1: the obvious one that by using a recordable disc to give the silence, you will burn out the laser. But don`t think that if you no longer want to play CD`s and you are not bothered by this that you can get away with it. Burnt out laser means your "silent" disc won`t play either.

2: The inputs used here are for the very low level audio connections for the laser, and by plugging into this a significatly higher signal from an amplified headphone socket, you are going to cause some expensive damage.

Wouldn`t advise it, and we have a growing pile here of people who have tried this already and have now sent them in for repair.

 :(
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Dany

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Re: How to wire a ext. 3,5" jack to our headunits!
« Reply #2 on: 27 September 2010, 10:51:22 »

Thank you Dave for the explanation, as said, I have not tested this, just found on the web and thought to share it  :)

I need your opinion for another thing Dave... Of course if you want, can you please see my other topic?

http://www.omegaowners.com/forum/YaBB.pl?num=1285503678
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Dave DND

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Re: How to wire a ext. 3,5" jack to our headunits!
« Reply #3 on: 27 September 2010, 12:43:25 »

Quote
Thank you Dave for the explanation, as said, I have not tested this, just found on the web and thought to share it  :)

I need your opinion for another thing Dave... Of course if you want, can you please see my other topic?

http://www.omegaowners.com/forum/YaBB.pl?num=1285503678

Sorry, spares are long gone for the NCDXXXX units, and we no longer support them

 :'(
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Dany

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Re: How to wire a ext. 3,5" jack to our headunits!
« Reply #4 on: 28 September 2010, 00:47:11 »

Again, my problem solved by itself...
Turned the ignition on this morning, and tried again and... Miracle! The CD charger is entered properly and the headunit checked the discs normally! Don't understand, and I don't have tried again lol.

Hope that not happens once more...
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