How to Repair a Korg X5D

Written by hugh patterson
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How to Repair a Korg X5D
Synthesizers offer a musician a large variety of sounds. (Hemera Technologies/PhotoObjects.net/Getty Images)

Korg is manufacturer of synthesizers. The Korg XD5 is an entry level synthesizer designed for musicians looking for a full range of sounds at an affordable price. While most music shops can repair instruments such as guitars, finding a shop that works on synthesizers is another matter. The majority of synthesizer problems can be fixed easily. Use a few basic techniques to repair a Korg XD5, saving the cost of hiring a professional to do the job.

Skill level:
Moderately Easy

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Things you need

  • Compressed air
  • Phillips screwdrivers
  • Electrician's tape
  • Cotton swabs
  • Rubbing alcohol

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Instructions

  1. 1

    Remove the power source. Never work on a synthesizer with the power on or the power cord plugged into an electrical socket. Turn the power off and remove the power cord.

    How to Repair a Korg X5D
    Always remove the power cord before starting any repair work. (Jupiterimages/Photos.com/Getty Images)
  2. 2

    Check the cable connections. A loose cable will not allow a signal to pass through to the amplifier or headphones. Check each cable to ensure it is firmly placed in the jack. The cable jacks are on the back of the XD5. Make sure the amplifier and any other external device is turned on.

  3. 3

    Clean the control panel. The XD5 uses small button switches, located on the upper left-hand side of the front panel, to control the synthesizer's functions. Dirt and debris build up in the gap between each button and the casing, causing the buttons to stick. Use compressed air to blow out any dirt or debris from these gaps.

  4. 4

    Remove the casing. Use a Phillips screwdriver to remove the case's mounting screws. The mounting screws are found on the bottom of the XD5. After the screws are removed, carefully lift off the top of the casing.

    How to Repair a Korg X5D
    Use a Phillips screwdriver that tightly fits into the screw's head. (NA/PhotoObjects.net/Getty Images)
  5. 5

    Clean the electronics. Use compressed air to blow out dirt and debris covering the electronics. Cleaning the electronics makes it easier see potential problems otherwise hidden under a layer of dust.

    How to Repair a Korg X5D
    Cleaning the circuitry will keep the electronics from overheating. (Hemera Technologies/AbleStock.com/Getty Images)
  6. 6

    Examine the wiring. The XD5 uses modular components. These components are wired to one another. Look for wiring that has lost its shielding or is burnt. If a wire comes in contact with a component that gets hot, the shielding can melt, leaving exposed wiring. Wrap any bare wiring with electrician's tape.

  7. 7

    Check for corrosion. Because the XD5's casing is not airtight, moisture can build up on the circuit board and other components. Check the circuit board and any soldered connections for corrosion. Dip a cotton swab into rubbing alcohol. Gently clean off the corrosion with the tip of the cotton swab.

  8. 8

    Reattach the casing. Place the casing's top panel back on the mounting frame. Place the screws back into the mounting holes on the case's bottom. Use a Phillips screwdriver to tighten the screws.

    How to Repair a Korg X5D
    Never force the casing's top panel back on. (Hemera Technologies/PhotoObjects.net/Getty Images)
  9. 9

    Run diagnostic tests. Refer the user manual for individual testing sequences. The XD5 has a full diagnostic program built into the system. Run the full diagnostic test to catch any possible problems, such as a drained internal battery.

Tips and warnings

  • The internal battery is difficult to replace. Have a professional replace it if the diagnostics indicate a drained battery.

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