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Thread: How to fix an ITPS when reversing plus and minus

  1. #1
    Variable Bitrate
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    Oct 2004
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    Netherlands
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    How to fix an ITPS when reversing plus and minus

    Hi,

    Well, i got my carputer set up, perfect, then i got a new car build everything in then i made a stupid mistake of reversing the plus and minus on the itps, wham itps dead, bought a new one, worked fine until i bought a backup battery (so my carputer would not die on engine starting) and i reversed the wire's again

    i went to the local electronics shop and got the thing checked out they said two of the diodes where fried, and i got 2 standard ones to replace them,

    so i fixed the ITPS for under 2 euro's. i thought this might be some usefull information i included some pics to show which ones should be replaced.

    the diodes where simple ND5408 Diodes they where 50 cents each

    hope this helps somebody, if not well i tried :P

    this is how the diode looks

    white-label------|||diode|||------red-label

    the red label was facing to the 3 pin connector ( i think red = + but not sure because the guy just said put them like this) you can see on the pictures that the new diode has a grey stripe on one side.

    The old one.


    Two pics of the 'fixed' one.


  2. #2
    Variable Bitrate hevnsnt's Avatar
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    Mar 2004
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    300
    Nice & Thanks for the info!
    www.i-hacked.com Hardware hacking articles

  3. #3
    Maximum Bitrate starfox's Avatar
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    May 2002
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    Australia
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    Might want to trim down those leads a bit...

  4. #4
    Maximum Bitrate
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    buy my spare one from me??

  5. #5
    Newbie
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    Dec 2004
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    Belgium, Herentals
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    13
    my itps died yesterday while playing some music... i'm going to give it a try

  6. #6
    Variable Bitrate
    Join Date
    Oct 2004
    Location
    Netherlands
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    382
    Quote Originally Posted by starfox
    Might want to trim down those leads a bit...
    It was hard enough holding them like this making them even smaller would be a pain.

    Quote Originally Posted by OriginalNick2
    buy my spare one from me??
    how do you mean ?

    Btw, it says in the manual that it has reverse polarity protection with a fuse, (the yellow thing) but that failed twice with me, so much for the protection :P

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