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This guide is used to provide step-by-step instructions for performing the replacement of the Start/Stop Button on the AT-LP120-USB. This procedure is used to resolve inconsistent or no functionality of the motor when the Start/Stop button is pressed.
No soldering is required to perform this repair.
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Disconnect your turntable from power and audio.
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Move the turntable to a clear flat surface.
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In this step, we are removing the necessary accessories to mitigate the possibility of damage in the upcoming steps.
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Engage the tone arm clamp
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Remove 45 adaptor.
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Remove slipmat.
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Remove platter by using the two circular holes and pulling vertically from the top of the turntable.
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Remove the counterweight by unscrewing the rear clockwise.
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Tie down the tone arm using a twist tie/zip tie.
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Carefully flip the turntable onto the dust cover.
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Remove 8 screws.
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Spin the turntable so that the rear is facing you.
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Lift off the bottom cover.
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As you pull the bottom cover off, the RCA cables will be removed through this hole.
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Spin the turntable back around such that the front is closest to you.
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Locate and collect the 8 brass bushings if they did not come out with the screws.
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Slide the bushings to the head of each screw and set aside for later.
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The button that is being removed can be located here.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Adjust the turntable on top of the dust cover such that the button is protruding from the PCB.
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Use a pair of tweezers or needle-nose pliers to remove the silver clamp.
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Remove the black felt washer from the post.
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The button is now loose and is able to be removed.
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Adjust the turntable so the dust cover is no longer holding the button up.
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Remove the button and spring if it did not fall from adjusting the turntable.
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Remove the spring and black felt washer from the button shaft.
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Locate your replacement button and place it such that the black plastic post is closest to you.
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Slide the black felt washer down to the base of the shaft.
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Position the spring around the shaft in-between the small plastic posts.
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Insert the button back into the base of the turntable with the small highlighted post from Step 9 closest to you.
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Adjust the turntable on top of the dust cover such that the button is protruding from the PCB.
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Slide the black felt washer onto the shaft of the new button.
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Press the clamp back into the grooved portion of the shaft.
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Spin the turntable back around such that the rear is facing you.
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Place the hinges back into the dust cover.
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Press this part of the hinge so the hinge is in a vertical position.
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Locate the bottom cover, and route the RCA cables com from the turntable through this hole.
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Place the bottom cover onto the turntable such that the dust cover hinges are inserted into their respective brackets, and all ports are visible.
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Insert the 8 screws with the brass bushings attached into the bottom cover.
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The turntable is now reassembled.
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If the motor continues to have no reaction to pressing the start/stop button after reconnecting the turntable to power and reattaching the platter, the issue is likely caused by a faulty motor.
For further technical assistance, please contact service@atus.com or one of the technicians at (330)686-2600 ext.5004
~Monday-Friday 8:00am to 5:00pm~
If the motor continues to have no reaction to pressing the start/stop button after reconnecting the turntable to power and reattaching the platter, the issue is likely caused by a faulty motor.
For further technical assistance, please contact service@atus.com or one of the technicians at (330)686-2600 ext.5004
~Monday-Friday 8:00am to 5:00pm~
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