Request expert advice Murano 05 (Aus)

**TriTon** · 04-06-2009, 07:46 AM

G'day all, I have started my CarPC project. Have a Xenarc 700 and will order a PC today from the US. I ripped the stocker stereo off the Murano today, and was quite interested in what I found. Was expecting a full circuit board similar to this post;

http://www.mp3car.com/vbulletin/work...co-so-com.html

Not so. There is a 6 stacker, a tape player, the upper vehicle information display screen switches and the lower switches which control the climate and a few other functions. (Australian Murano is different to US model)

My question is, I am left with a circuit board which I think might be the amp. Does anybody know of, or think there is a way to tap into the board and use the stock amp? This would save a whole bunch of tapping into wires etc, and leave the master volume on the steering wheel.

I will get somthing like this to control the rest of the buttons;

http://www.fusioncontrolcentre.com/F...products_id=61

Pics below will tell a thousand words.

BTW the third last pic of the circuit board is the reverse side of the connector which is the only wired connection to the cd stacker by a ribbon cable.

**Bugbyte** · 04-06-2009, 08:50 AM

How nice was it of them to label the pins?!!

The box with the heat sink on it is almost certainly the amplifier and probably also contains the radio. It looks like the radio/CD part is simply a display and input for the amp/radio circuit.

It still may be difficult to control the amp with external controls. Since that is all custom circuitry, it may be expecting to 'see' the display and buttons before it will work properly. Communication between the display and the radio could be more sophisticated than simply clicking a button. It might be encoding byte strings between the display and the amplifier board.

The usual way to tap in is to find a way to connect to the CD player output. Often, that is an analog output and in many cases, you can access the CD player but substitute the PC output instead. Look around for adaptors that allow you to do this, they are fairly common.

The alternative, of course, is to substitute either an amp or HU with aux in for the stock radio.

**TriTon** · 04-06-2009, 09:14 AM

Cheers for that Bugbyte. I had a look at your ibug website the other day too..!

I like the sound of the adapter, any idea what to even google? Im thinking I could 'plug' the carPC straight into the analog inputs on the the cd ribbon cable. Would the signal need an adapter? I can easily take more pics of that circuit board if that helps.

I know the radio is pretty much goneski, and i will have to find a solution, such as HQCT, sucks when you already had a good radio to start. I think it would be easier to get an aftermarket amp, I shouldnt need a head unit though as i will control things with the fusion brain doover and steering wheel (and touch screen)

**Bugbyte** · 04-06-2009, 09:39 AM

You're looking for an auxiliary input adaptor. An iPod or mp3 player adaptor will work as well.

Here's one on Crutchfield.com but you'll have to check and see if it works on an Australian Murano. It may or may not. http://www.crutchfield.com/p_127AAIN...er.html?tp=422

**TriTon** · 04-06-2009, 09:49 AM

I had a look at that. We dont have Sat radio in Aus, there was a bit of info here

http://www.wb3v.com/murano/

i dont think it will work. There is no Aux or Sat radio button on my unit, like the US 1's. Hmm. Looks like a new amp, or fry this stock one trying a few things!!

**TriTon** · 04-06-2009, 08:49 PM

My radio does not have Satelitte radio sockets. (first pic)
You can clearly see the US version (second pic) has the socket, and the ability to put the adaptor into that plug.

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I borrowed this pic from http://www.wb3v.com/murano/
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I have found the radio

This is the circuit board below the radio
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This is the radio unit, clearly it sits right above the circuit board area of the last pic.
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Does anybody out there know how to attach to the radio, or use it for my carPC? Is it possible to salvage the board and use the amp and radio for the carPC? Would appreciate any help and suggestions.

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**Bugbyte** · 04-06-2009, 08:57 PM

Get a clearer photo of that CD ribbon cable connection. I know you've got a photo of it in the first post, but can't read some of the words on the labels. I think 'cd-out' may mean cd-IN for the board. You can try it out and see if it works if that's what they say.

There would be three inputs left, right, ground.

**TriTon** · 04-06-2009, 09:05 PM

Here is the pic

**TriTon** · 04-06-2009, 09:27 PM

Here is the speaker pins, not sure what ILL and amp on mean, maybe there is a remote amp...getting complicated.

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**Bugbyte** · 04-06-2009, 09:38 PM

Originally Posted by TriTon

Here is the pic

I *think* that L-OUT and R-OUT and CD-GND are the three pins you would be looking for. You could try using an mp3player and playing it into those pins with the system running (I would check to make sure there was no voltage coming out of those with a multimeter!).

Connect the system and take a headphone output from the mp3 player, cut it and strip the wires. Use the ground and one of the other wires and try it on CD-GND and L-OUT. Make sure the stereo is switched to CD as the input.

You might hear sound from the mp3 player.

P.S. - I'm not responsible if this shorts out your radio or you mp3 player! This is all at your own risk!