Question about Tascam X9 DJ Mixer System

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Power cut out on tascam x9

Hi ive just been useing my tascam x9 mixer when it just suddenly went of and will not come back on again. when i now switch it on the cooling fan comes on but nothing else, lights ect.
please can you help???


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  • 2 more comments 
  • scott mellor Jun 28, 2008

    hi thanks for your quick reply.

    ive took the back of and looked at the fuses i can see and they all seem fine???

    they may be more under the curcit boards i didnt realy wana go under there though just incase i did something wrong.


  • scott mellor Jun 28, 2008

    hi again it was a fuse aghhh.

    but ive changed it and its done it again, same fuse.

    i changed it again and used a different plug soccet and its done it again???????

  • Anonymous Jan 08, 2009

    I have exactly the same problem as Scott. Does anyone know what type of replacement fuse I should get?

  • 4fun69 Mar 18, 2009

    For me the same.When you open the mixer where can i find the fuses and is is easy to buy ? How must the cost when they repair this ?
    Is there a tech shop for this in the Netherlands...



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Since nothing else is working, the cooling fan is probably powered by AC at line voltage.

The power supply that feeds the electronics has failed but it may not be catastrophic; it might just be an internal fuse that has given up from metal fatigue.
Each time current flows when powered up, the delicate element expands and then contracts when the power is turned off.
Some fuses have a zig-zag crimp in the element that helps delay the eventual death.

With the unit unplugged, remove whatever screws you find on the back or bottom of the mixer so you can peer inside.
If you are lucky, you may find the fuse in a clip or otherwise plugged in.
There will definitely be one in the incoming AC line although if the fan is running, this one may be OK.
There could be one (or more) fuses on the DC side that directly services the circuitry.
Fuses come in a variety of cases; they can be cylindrical of glass or ceramic bodies with metal caps on the ends and of varying lengths.
Others may be vertically mounted smaller cylinders plugged into or soldered (bad) to the board.
Some are nearly indistinguishable in size and mounting from several other types of parts; these though, will not have other than simple text on the part while the others will have more complex markings.
If you find and replace fuses, buy two so that an eventual tech doesn't have to grub around to find one.

If you replace any fuses and they fail again, DON'T proceed. You may damage the unit further and not help anything.

At that point, you need to turn it over to a tech.

Posted on Jun 28, 2008

  • Steve Allison
    Steve Allison Jun 28, 2008

    Fuses can be tricky; it is best to either measure them with a cheap digital meter (in the US they can be had for $3 and up) or simply replacing them.

    They can appear to be whole but have a minute break where the eye can't see.

    I would highly recommend owning a simple meter, you don't need degree to use them and they aid in answering questions of the kind you have.

    If you have Radio Shack where you reside, they will have them also for under $20 US and auto parts stores are carrying them too but generally at higher prices.

  • Steve Allison
    Steve Allison Jun 28, 2008

    I don't recommend doing any further work on it yourself.

    There is a problem causing the repeated blowing of the fuses, I'm afraid you will need technical help.

    In your case, I would search DJ forums for a tip on whom you can trust to do the repair and stand behind it.

    Good luck-


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