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  1. #1
    Naresh's Avatar
    1st Gear

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    Jan 2003
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    Essex
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    260

    Security decoding Sony Stereo

    Hi does anyone know how to unlock a Sony cassette stereo (old style XR C450RDS model or similar) because the one in my sister's car has locked recently since the battery was changed! Basically it is stuck in Date mode and nothing else will work!

    She doesn't have the manual and I can't find it on the web so are there any clever people out there who know the normal procedure for unlocking Sony units i.e what buttons to press? There is a sticker on the back of the face but I wasn't sure how to use this!

    Thanks in advance!

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  3. #2
    Neutral

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    May 2003
    Location
    UK
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    45

    Re: Security decoding Sony Stereo

    The XR-C450RDS isn't a coded unit.
    You could try pressing the reset button behind the front panel. Failing that I would disconnect the power from the unit (pull main plug out of the back) then reconnect after about 30 seconds.
    If the unit is still in the same condition I would suggest that it has been "spiked" when the new battery was connected causing an internal fault.

    Andy

 

 

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