cdj-900 wont turn on
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  1. #1
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    Default cdj-900 wont turn on

    I just bought a pair of used cdj 900s and one of them won't turn on. To see what the problem was, I shook it around to see if it got damaged during shipping and I can hear a slight rattle, although the working one sounded similar but softer, and it turned on after I did that but once I turned it off, it wouldn't turn on again. I don't mind sending them in for repair but was wondering if anyone had any ideas what might be wrong.

  2. #2
    Tech Guru guiltyblade's Avatar
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    Never heard that one happen. Sounds like maybe you power cord on it possibly got desoldered or something. Repair shouldn't be too bad.

  3. #3
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    tried the power from the other working cdj, still no go

  4. #4
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    you must have gotten them for a REALLY good price to "Not mind sending them off for repair"...

  5. #5
    Tech Mentor JohnnyDrama's Avatar
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    If you don't have waranty & you can't return the broken unit, open it up with the help of youtube.

    Take your time, it's not rocket science but watch out with the ribbon cable that connects the top & lower case (pcb's).
    Is a flexible one (more like plastic sheet like) but it's not that fragile (just be gentile when you plug it back in).
    I cleaned my pitch fader, cue & play buttons, the platter system, ... and it was really easy.

    Don't do anything but look for broken or loose parts.
    If you can't find the culprit / source of problem on sight then it's ready for a trip to the service center.
    ALWAYS ask a quote (you pay diagnostic cost that you recup when you chose to repair...if not it's about $25-40)

    Good luck !
    If they don’t want to see the light…..just make them feel the beat…..

  6. #6
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    ^ thanks for the tip. ill give that a go

  7. #7
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    so i opened it up and it looks like 3 of the 4 blue/grey element holding the CD player are damaged. they looked like they burst and theres this gooey stuff coming out of them. the 4th one is fine and intact. i tried to line them up as best i could and the CD player turns on now. any idea what that part is and how much it would cost to fix?

  8. #8
    Tech Mentor JohnnyDrama's Avatar
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    Quote Originally Posted by coupon View Post
    so i opened it up and it looks like 3 of the 4 blue/grey element holding the CD player are damaged. they looked like they burst and theres this gooey stuff coming out of them. the 4th one is fine and intact. i tried to line them up as best i could and the CD player turns on now. any idea what that part is and how much it would cost to fix?
    Please post a picture...
    If they don’t want to see the light…..just make them feel the beat…..

  9. #9
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    Quote Originally Posted by wampaone View Post
    you must have gotten them for a REALLY good price to "Not mind sending them off for repair"...
    That's what i'm saying. I'd be freaking out and throwing a fit. Lol

  10. #10
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    Quote Originally Posted by ferluno01 View Post
    That's what i'm saying. I'd be freaking out and throwing a fit. Lol
    well it was a good price, not sure about REALLY good. and they are functional now....just a bit quirky. also i dont know how much repairs typically go for...so if it turns out more than i expected then maybe ill be

    i'll post pics when i get home today

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