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The Numark TTXUSB is a direct-drive turntable with USB for easy conversion of vinyl to digital media.

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Does anyone have the service manual for the Numark TTXUSB?

I want to repair the motor of this turntable. When being cold it stops turning and sometimes even turns backwards, which gets better after you turned it with your hand a bit. So this sounds like capacitors having got old. Then I could also replace the the 2SB1340 and 2SD1889 transistors. Someone already did some soldering on the motor and added a foil capacitor to stabilize the motors Vin I guess, although its power supply provides a stable voltage. Would like to know what is still original here. Does anyone have experience with this turntable?

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Hello coldspark, i am Eduardo From Brasil and i can help you .

if some 2sb/2sd transistor was problem you need to change the smd mosfet drivers too. its 7002 transistor. BTW, if possivel, can you tell me the value of r55 ?

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https://www.audioservicemanuals.com/n/nu...

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Hi

Not sure if this is the one you’re looking for as it doesn’t show the same transistors that you mentioned, but here’s a link to the NUMARK TTX VARIABLE TORQUE USB-DJ DIRECT DRIVE TURNTABLE circuit diagram, which may be of some help.

To download the file, pass the “I am not a robot test” below the Document Preview box and then when the sentence below the Document preview box changes from This file is downloadable free of charge (5/day): ...processing... to This file is downloadable free of charge (5/day): Download, click on Download, as this is the link.

Be patient as it takes a little while to find the file.

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Thank you! It looks very similar, but the parts names don't comply witht he ones on my device. Must be an earlier version, I guess. It's a start though!

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hello coldspark. If some 2sb/2sd transistor have problema, yoy need to change the smd modfet driver too.

Its 7002 smd mosfet.

BTW, can you tell me the value of R55 ?

regards

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Has there ever been an in depth guide for this turntable? I have some interesting issues with mine:

1. Cold start always has Quartz mode on

2. Occasionally the start stop buttons will stop working

Never found anything to explain these symptoms in a TTX USB, for reference it has an April 2007 sticker under it

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