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Thread: Accidently Fed TOSlink Converter a 12v rail

  1. #1
    Constant Bitrate c0rrupti0n's Avatar
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    Post Accidently Fed TOSlink Converter a 12v rail

    Hey guys, im was working on my PXA-C510 Alpine DSP today and finally received my last add. The Toslink converter... I was working on tapping into the 5v rail of my psu, and blindly used the 12v rail. Well about needless to say the converter didnt seem like it was converting too much... So 5 minute into running the converter at 12v I decided to test the power and then realized im an idiot...

    Anyway I now have it properly setup with a 6v converter to psu 12v rail. However again it doesnt seem like this toslink converter thing is working, and theres no light indicator to lead me to believe anything else.

    Just to help in my troubleshooting has anyone else out there made this mistake, I simply want to know if I have a fried TOSlink on my hands or what? Is there any special way of testing these to ensure its 100%?

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    Maximum Bitrate 3onDubs's Avatar
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    Quote Originally Posted by c0rrupti0n
    Hey guys, im was working on my PXA-C510 Alpine DSP today and finally received my last add. The Toslink converter... I was working on tapping into the 5v rail of my psu, and blindly used the 12v rail. Well about needless to say the converter didnt seem like it was converting too much... So 5 minute into running the converter at 12v I decided to test the power and then realized im an idiot...

    Anyway I now have it properly setup with a 6v converter to psu 12v rail. However again it doesnt seem like this toslink converter thing is working, and theres no light indicator to lead me to believe anything else.

    Just to help in my troubleshooting has anyone else out there made this mistake, I simply want to know if I have a fried TOSlink on my hands or what? Is there any special way of testing these to ensure its 100%?

    I am currently running my TOSLINK converter off of my amp's power line, which gets 14.4V with the car on. It has been running like this for the past few weeks with no problems. Not that this is what you should do, but I don't think that the 12V you gave it would fry it. As far as the 6 volts that you are giving it...its simply not enough. Those converters are improperly labelled and require 9V in order to operate...hope this helps
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  3. #3
    Jesus Freak antimatter's Avatar
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    are you using the ebay crap?

    i use it too. It runs fine off 6v.

    http://froogle.google.com/froogle_cl...coring=p&hl=en
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  4. #4
    Constant Bitrate c0rrupti0n's Avatar
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    thanks 3onDubs...

    heh antimatter yeah the generic one like 22 bucks worth from ebay.



    3onDubs: BTW where did you purchase your TOSlink converter?

    Im going to test it with the ac adapter it came with and an inverter, I will report back.

  5. #5
    Maximum Bitrate 3onDubs's Avatar
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    Yeah, I'm using the ebay one also....it may work on the 6V line. I only tried it on my Carnetix's 5V line, and it didn't work. We're all most likely using the exact same one.
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  6. #6
    Jesus Freak antimatter's Avatar
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    yea what i had to do was get a radio shack 12v-->6v convertor and run it off the 12v rail on my auxilliary PSU (opus 80w)

    If you guys experience any choppy sound from your spdif open that sucker up and there are two solder points that have gone bad on both of the converters that i have bought. It is the two ground shielding solder points on the coax connector.

    Just a fyi tip. I spent months trying to find the problem.
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  7. #7
    Constant Bitrate c0rrupti0n's Avatar
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    Ok, well I tried the toslink with the original AC adapter and still nothing, I used a home DPS to test with to rule out my cars dps. Im heading to radioshack down to spend 60$ on a god damn temporary fiber cable to determine if i have a bad toslink adapter or not... I will get back to yeah.

  8. #8
    Constant Bitrate c0rrupti0n's Avatar
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    ok I bought a radio shack optical cable for 15 bucks and manage to find a Radio shack branded TOSlink Converter thats actually much nicer than the generic crap sold on ebay and everywhere else. You have an option of converting the signal from coxial to optical or optical to coxial... They are currently on clearence for 9 bucks which is better than my 22 dollar generic one from ebay.



    Anyway After tinking around I found that I manage to buy the wrong god damn toslink from ebay. That was my problem the entire flippin time. My foolish mistake once again... Anyways its all working now but i have one more question:

    The radioshack Toslink asks for 9v 100ma, however im running it on 6v from a converter and it seems to be working fine. Will less power degrade the quality at all if its working or if its working then dont worry about it or what?

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    Constant Bitrate pimpmode's Avatar
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    I was wondering how much better will the sound be if I run this toslink converter as opposed to RCA and headphone jack...I have an external soundblaster soundcard (usb) and sound is clear but was wondering if their would be a big difference...I dont care for the 5.1 stuff because my headunit DVD player already does that...thanks for any advice...
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  10. #10
    Constant Bitrate c0rrupti0n's Avatar
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    First off create a seperate thread next time...

    Unless you have engine noise or connection difficulties theres little noticable difference("i" think).

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