06-22-2005, 11:29 PM
Anyone here have the manual for the CD-2 head unit that they could either fax or scan and post or email? Does it include any schematics, or at least the pinout configuration on the DIN connector? I'm also interested in the security code entry section.
In my spare time, I'm trying to revive the old CD-2 unit which was originally in my car. I believe it's fully functional, but I need to figure out the security code. I've already looked all over the car for stickers, cards, etc. I called Porsche dealers with the serial number, but they were no help. They provided several different codes, but none were correct. The main Alpine chip on the board is labeled 51T15184W01 and according to some online sources, the code is determined by jumpers and therefore it's not necessarily retrievable just by serial number. I can see a row of jumpers and I'm trying to determine how that would translate into a code.
Before anyone chimes in about the lack of quality of the stock radio, I'm well aware and I'm just really kind of interested in it as an exercise and so that I have an original radio to either retain with the car or sell if someone needs it. I'm a tinkerer....guilty as charged.
Interesting/useful tidbit....you can apparently bypass the code prompt waiting period after multiple failures (at least I can on mine). The CD-2 has a reset switch, which will reset the code prompt if you hit it multiple times quickly - usually 3 hits does it. Easier done with the faceplate off, but can be done on a fully assembled unit with a paperclip. I'd be curious whether other units have this weakness. Without this roadblock, a brute force crack would become somewhat realistic. My code input only seems to accept numbers 1 thru 5 and appears to want a 5 digit code. By my calculation, that's only 3,125 possible combinations. 100 tries a day and the longest it'll take me is a month. Oh crap, I'd better go spend some time with my wife now! <img src="/forum/images/smilies/968/ohmy.gif" class="smilie" alt="" />
In my spare time, I'm trying to revive the old CD-2 unit which was originally in my car. I believe it's fully functional, but I need to figure out the security code. I've already looked all over the car for stickers, cards, etc. I called Porsche dealers with the serial number, but they were no help. They provided several different codes, but none were correct. The main Alpine chip on the board is labeled 51T15184W01 and according to some online sources, the code is determined by jumpers and therefore it's not necessarily retrievable just by serial number. I can see a row of jumpers and I'm trying to determine how that would translate into a code.
Before anyone chimes in about the lack of quality of the stock radio, I'm well aware and I'm just really kind of interested in it as an exercise and so that I have an original radio to either retain with the car or sell if someone needs it. I'm a tinkerer....guilty as charged.
Interesting/useful tidbit....you can apparently bypass the code prompt waiting period after multiple failures (at least I can on mine). The CD-2 has a reset switch, which will reset the code prompt if you hit it multiple times quickly - usually 3 hits does it. Easier done with the faceplate off, but can be done on a fully assembled unit with a paperclip. I'd be curious whether other units have this weakness. Without this roadblock, a brute force crack would become somewhat realistic. My code input only seems to accept numbers 1 thru 5 and appears to want a 5 digit code. By my calculation, that's only 3,125 possible combinations. 100 tries a day and the longest it'll take me is a month. Oh crap, I'd better go spend some time with my wife now! <img src="/forum/images/smilies/968/ohmy.gif" class="smilie" alt="" />