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Pioneer DJs XPRS
| SERVICE MANUAL
7.6 Checking the Subwoofer DSP Board
Checking the Switches (highlighted in Yellow) & the Potentiometers (highlighted in Green)
Turning the Switches to different positions & feel if there's any damaged.
Rotate the Potentiometers from end to end / up and down & feel if it is moving smoothly.
Try to clean the contact/connector with Approved Contact Cleaner & let dry.
Any of the Switches or Potentiometers are damaged, replace the DSP Board when necessary.
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