CD Changer Pins?

**DarkWolf** · 08-07-2001, 07:49 PM

I've been looking for a while. Where can I find, or what are the pin out's from aftermarket CD Changers, which as Aiwa's, Pioneer's and etc.

I know they must be pretty much the same through all brands, as if not, you would not be able to use per se a Aiwa deck with a Clerion CD Changer. But finding out what the pins are is another question.

Anyone have any answers?

Scott--

**Technics** · 08-07-2001, 09:34 PM

Manufacturers don't seem to like releasing this info. I guess they worry that 3rd party development for their systems would mean that they cant charge such ridiculously high prices for their accessories. I managed to work out the audio input pins on a Pioneer head unit changer input by connecting my MP3 players line out to each of the input pins (via a 10K resistor to reduce the risk of damage to the player or head unit). This was a lot cheaper than buying a Pioneer CD-RB20 adapter at my local supplier (and a lot faster. I dont think there are any on these units in Australia. Nobody I asked had one in stock). It would have been so easy for Pioneer to have an Aux line input with two RCA type connectors on the back of the unit (there are allready front and rear line outs), so I can only assume(yes! I've been warned about assumptions but you can't help it every now and then) greed is the motivation. As for info on the CD changers control signals, I've not been able to find any info on Pioneer IP-Bus. However I believe there is some info available for Sony systems and somebody posted a link to it in the hardware discussion a few weeks ago.

BTW I'm not rubbishing Pioneer. I think they make some very good quality equipment and most manufacturers seem to have the same marketing practices anyway.

**Mastero** · 08-08-2001, 07:36 AM

Hey i have the pioneer cd changer bus pinout details ... how can i send it accross

mastero

**Mastero** · 08-14-2001, 06:55 AM

[img]null[/img]

i hope u get wat u want

**armoured !!** · 08-14-2001, 02:59 PM

maestro, for what head unit is that schematic?

**DarkWolf** · 08-14-2001, 03:40 PM

That's the problem with CD changer connections. They're all bloddy well different.

BTW, IPBus is a Pioneer standard and used only on theirs.

Scott--

**orangewhip** · 08-14-2001, 09:53 PM

Do all decks with cd changer controls have an audio input an 1 of the connectors on the cd changer connector?

**percyt2k** · 08-15-2001, 07:10 AM

A friend of mine has an Audi A6 with a Panasonic CD changer.
When we installed his system we looked at the cables connecting the shuttle to the head unit and found two shielded cables - a white and a black wire shielded together and a gray and a black wire shielded together.
We knew these were the audio outputs from the changer as they were the only ones shielded (to help with noise) and we touched a pc speaker to both sets and heard the track (although quiet!).
We made an audio cable with an 1/8 jack on one end and soldering the other end to the shuttle (3 wires, left channel to left channel, right channel to right channel and ground to any) and then burned an 80 minute blank CD and put it into slot one of the shuttle and tuned on the MP3 player. With the head unit playing an 80 minute track of pure silence, the audio from the MP3 player worked perfectly!
So my advice is simple, find the shielded audio outputs and solder to them, and burn a blank CD!

I know someones probably already thought of this - but just thought i'd add my 2p!

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