Question about Numark TTX1 Turntable

1 Answer

Numark TTX1 Turntable Problem-Platter stops

Hello, both ttx turntable when i hold the platter, stop and dosent turn alone i need to give it a slow push, plus on ocations, when i press stop and press again star dosent go ahead, need to push the platter, what can be the problem?
Thanks
Wilfred
will_dj91@HOTMAIL.COM

Posted by on

  • WILL_DJ91 Nov 04, 2008

    Hey all credit here gopes to DJCiscoElnino@aol.com for coming up with this mod/fix.

    ok here goes

    original asisphonics link: http://www.asisphonics.net/ubb/ultimateb...


    Text info:

    Cisco el Nino - "since numark fixed thier overheating problems by adding a vent under the platter, i think that what is happeing is that our DC MOTOR DRIVER IC (Toshiba TA7259P) has gone bad what i am going to do it order this, install it and let you know the deal. there only 5.80 a piece and shipping is like 8 dollars. ill get back to you. I am guessing it is sort of like computers CPU, like its got thermal gel/grease on it and all that fun stuff. It is on the Motor's board heres the image

    (IMG:http://img97.imageshack.us/img97/9139/tt...)

    after i install it too, i am also going to cut vents like this under my platter like the updated versions

    (IMG:http://img97.imageshack.us/img97/8523/tt...)


    also take your time when installing the chip.
    1. its sensitive to static.
    2.buy a low heat soldering iron.
    3.do each solder point at a time, wait a few seconds for the IC to cool off. then approach the next.
    also open your ttx and see what exact IC you need. Mine was a Toshiba TA7259P. Also when you order that, order small tube of thermal paste.

    http://www.audiolabga.com/ for parts ordering"

    Thank DJCiscoElNino@aol.com

    Mad props. This elongates the life of the Numark TT turntable series indefinitely, because they are good turntables, but they had this problem. Well, no longer.

  • kerrycoxy Nov 16, 2008

    my numark decks have stopped working

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This is a drive issue. Unfortunately the TTX direct drive system isn't the greatest. It's good, but it's no Technics 1200. The only way to 'fix' this issue is to have a professional look at main circuit board to see if there are any components which are burned, or damaged in any way.

Hope this helps some.

- OPTiC.
Digital Analog Therapy
www.djprolab.com

Posted on Nov 04, 2008

  • TERMiNAL OPTiC
    TERMiNAL OPTiC Nov 05, 2008

    DJ Cisco El Nino was spot on with the repair. The IC he referenced is one that causes many problems, especially on older TTX units, and is usually the one we replace. This is part of the direct drive system of the TTX, and prone to issues. Of course, not many people are handy with a soldering iron, which is why I recomended you see a service technician - there are about 8 pins per side, and you have to be careful when taking off and putting on the new chip. Just follow the instructions El Nino gave, and you'll be fine.

    - OPTiC.
    Digital Analog Therapy
    www.djprolab.com

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Just so you know, there is no actual 'motor' driving the platter. It's a direct drive unit, so it's made up of various circuits driving the unit.

With that said, anyone of those circuits could have gone bad. The good thing, is that most of the circuits (resistors, IC's, capacitors, diodes, etc), are relatively cheap ($2-10), the bad thing is replacing them, and finding out which ones are faulty. You could usually tell which resistors are burnt or caps are blown, but it's harder to test the IC's without the proper equipment.

This is not a cheap turntable, unless you think $300 is cheap for a turntable. Repair wise, your probably looking at about $80-120 for parts and labor. It's a well build turntable, and I think worth investing in trying to get it repaired. Just make sure you get an estimate before any work is done.

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