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Thread: Symphony 2 Aux-In

  1. #41
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    Quote Originally Posted by jb0o View Post
    They are mate, the 8L2 supersedes to the 8L1.

    Ignore my £35 Audi price, they're actually about £50 according to my ETKA!

    No problem at all mate, happy to help.
    Just ordered one from Car Systems on ebay. So fingers crossed although I'm still sceptical as to whether it's the cause.
    Last edited by BoutTime; 4th May 2013 at 05:18.
    After 3 BMWs in over 13 years, I'm giving Audi a go.

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  3. #42
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    Quote Originally Posted by jb0o View Post
    I can't see much wrong with your results tbh.

    My measuring blocks returned:

    19:42:06
    4.08 V Microphone Input Voltage
    0.007 A Microphone Input Status

    I also got the 'NOT OK' on the output tests too!
    Your post didn't appear yesterday so only just seen your results. Interesting though. I guess all I can do is wait for the new Mic to arrive next week from Poland. If it's not that then it's either wiring or the BT Module. Thanks for doing running the test!
    After 3 BMWs in over 13 years, I'm giving Audi a go.

  4. #43
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    Just a quick update if anyone's interested.

    I took the Mic out yesterday and messed about with my multimeter. It's not my trade so I stuck mainly to continuity checks. Basically the two wires on the mic are I believe for supply voltage/audio and earth. First I checked the pins the mic connects to. Sure enough there was continuity between one pin and the car chasis (I used the 12 volt lighter cage). There was no continuity between the other pin and the chasis. But there was continuity between both pins.

    I then checked the mic wires and there was no continuity between wires. A couple of time they did ring out so possibly there is an intermittent problem. But I did tighten the crimps a little to try to improve the connections.

    Anyway, today we were out and my other half rang the car to as I was waiting with the kids to pick her up. I answered the phone instinctively and said "I guess you can't hear what I'm saying". To my surprise she said she could but then couldn't. She heard my first couple of words and then that was it. So the mic did work momentarily. We tried this again and the same thing happened. So in the end I'm still none the wiser. I'm still waiting for the replacement Mic. Maybe I'll know more.

    In the meantime, does anyone know if there should be continuity between wires on the Mic? I gather they work on high resistance but surely they should ring out?

    Two wire electret Mics use a common supply/audio output wire that is then seperated by a DC blocking capacitor and possibly that's whats at fault.

    Electret.JPG
    After 3 BMWs in over 13 years, I'm giving Audi a go.

  5. #44
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    Why dont you just get an FM transmitter?

  6. #45
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    For what mate? My Aux-In works perfectly. Fantastic sound and a million times better and more reliable than an FM Transmitter. The issue now is the Mic for my Audi Phone Prep. The only link to the original post is that I first noticed the Mic wasn't working after I installed the Aux-In. Even with the Aux-In removed, the Mic still doesn't work.
    After 3 BMWs in over 13 years, I'm giving Audi a go.

  7. #46
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    SOLVED!!!!

    Would you believe it. It was the Mic after all. Replacement Mic from Car Systems in Poland arrived today after sitting at Royal Mail Heathrow for the past 9 days. Just plugged it in and all works.

    So after all the head scratching it was nothing to do with the Connects2 Aux-In install after all. Just the bloody Mic that failed!

    Thanks for your help fellas. Especially jb0o and NHN. As the Mic from Poland looked lost, I ordered another new one off eBay for only £12 delivered. UK seller too. I'll going to keep it I think just in case. Well chuffed!
    After 3 BMWs in over 13 years, I'm giving Audi a go.

 

 
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