You have to be careful here because there are a lot of pins and plastic peaces around the knobs.Once you device show his lock display you can use the same unlock Siemens VDO CDR 500 code that you will get if you finish the procedure shown bellow in this text. I've checked it probably fourteen times against my car. I found a good spot where I wanted to drill the hole for the jack. The jack will fill with dust after a while which will give bad electrical/conductive connections on a long term (especially important when dealing with audio). top right/left of the gear lever: dropped quite fast. That seemed rather ugly and I was kind of afraid that it maybe would detoriate fast due the heat when using the car cigarette lighter (however I don't smoke haha). I could manage to push a jack (with a bit bending of the legs) between the lighter and tje 'connector'. space around and near the car cigarette lighter: dropped because there seemed to be two square 'connectors' (don't know the use) underneath that space. back ashtray: dropped because the quite limited space on the one hand and the too big distance from the driver's seat. front ashtray: it seemed unhandy to put in a audio cable in the rather deep ashtray I've considered other locations as well which were all dropped: I suggest to use heat shrink tubing to shield the solder as well to make it more pretty.Īfter hours of looking, measuring, looking again, lighting into every tiny space under every plastic board every corner of my car, looking and measuring again I decided to put the jack into my lower dashboard (close the the back window heating). If it resides in your RACDU, I won't like to be in your driver's seat when the radio just stop playing. Therefore I had to drill a 6mm hole in the bottom and carefully removed any metal burrs! Make sure you don't short circuit anything! Even not to spill any drop of solder. I broke out with the wire at the bottom (because it's the only side where there is space enough!). Using a UTP CAT5 cable is very handy like suggested in the post. When a jack is inserted, the switch will disconnect the CDU from the radio's motherbord and feed the jack's audio to the radio's motherboard. The principle is easy: you will reinstate the 1th wire and the 3th wire with a switched 3.5mm jack (normal closed switch). You should cut the 1th red wire (which is the left audio channel) as well as the 3th red wire (which is the right audio channel). Counting from the left (with the blue wire on the most right = number 14). You have to cut soon so keep your tools ready! Taking the 14 wires bundle. Another one contains 14 wires (13 red ones and one blue). One bundle contains two wires (black and grey). You will see two bundles of cables connecting the CDU and the radio's motherboard. You will lose the guarantee of your CD unit and on the it's quite possible that your garage owner will kick your ass if you have to beg for help -) Secondly -I think you know the drill-: I am not responsible in any way for any damage or other to your radio, car, mp3player or any other thing or person. In general I would like to recommend Jason Novak's thread.
The tutorial is quite specific: for people who have a CDR2005 (non VDO version) and want to play surgeon with their unit -)įor people who have CD2005 VDO I would like to guide you to the Unkown Soldier. The adapation I am suggesting is quite invasive! It involves opening the whole unit, removing the CD unit and cutting through a bus connecting the CD unit and the motherboard of the radio unit! It's like open heart surgeon (euh, of course with the current unplugged :p).
First of all: I am writing this tutorial because my board layout of my Radio and CD unit was totally different then the only described today (4th of July 2011). You can guess that I wasn't that lucky as well, damn old radio! But old radio's have one advantace: there is always someone who has had the same problem, actually there were two. Oh, there are a lot of converters you can buy if you have a recent radio with an external CD changer connector on the back of the radio.
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