Ibanez 5 String Bass Model SR405QM Potentiometer Replacement

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This guide will show you how to replace the potentiometer in order to improve sound level and quality of sound.

  • Author: Chris Pittner
  • Time estimate: 30 minutes
  • Difficulty: Difficult

Follow these instructions to remove and replace a potentiometer on your guitar.

Tools (continued)
Relevant Parts

Edit Step 1 Battery  ¶ 

Image 1/1: Gently place the instrument upside-down on a soft surface.

Edit Step 1 Battery  ¶ 

  • Gently place the instrument upside-down on a soft surface.

  • Locate the battery cavity cap and screws.

Edit Step 2  ¶ 

Image 1/1: Use a phillips head screwdriver to unscrew both screws. Two #1 1mm long screws.

Edit Step 2  ¶ 

  • Use a phillips head screwdriver to unscrew both screws. Two #1 1mm long screws.

Edit Step 3  ¶ 

Image 1/2: Remove the cap by lifting upwards to reveal the battery.

Edit Step 3  ¶ 

  • Remove the cap by lifting upwards to reveal the battery.

Edit Step 4  ¶ 

Image 1/3: Gently lift the battery from the cavity.

Edit Step 4  ¶ 

  • Gently lift the battery from the cavity.

  • Detach the battery completely by firmly pulling the fabric connector from the conducting end of the battery.

Edit Step 5 Back Plate  ¶ 

Image 1/1: Locate back plate cap and screws.

Edit Step 5 Back Plate  ¶ 

  • Locate back plate cap and screws.

Edit Step 6  ¶ 

Image 1/2: Use a phillips head screwdriver to remove the four screws,#1-1mm, by turning the screws counter-clockwise.

Edit Step 6  ¶ 

  • Use a phillips head screwdriver to remove the four screws,#1-1mm, by turning the screws counter-clockwise.

Edit Step 7  ¶ 

Image 1/2: Remove cap by lifting upwards, revealing the circuitry of the instrument.

Edit Step 7  ¶ 

  • Remove cap by lifting upwards, revealing the circuitry of the instrument.

Edit Step 8 Potentiometer  ¶ 

Image 1/2: Turn the instrument over.

Edit Step 8 Potentiometer  ¶ 

  • Turn the instrument over.

  • Locate the potentiometer knob.

  • Locate the allen screw socket on the knob.

Edit Step 9  ¶ 

Image 1/2: Use a 1/16" allen wrench to loosen the allen screw.

Edit Step 9  ¶ 

  • Use a 1/16" allen wrench to loosen the allen screw.

  • After the screw is loosened, lift the knob off of the instrument.

Edit Step 10  ¶ 

Image 1/2: Locate the potentiometer nut, at the base of the potentiometer piston.

Edit Step 10  ¶ 

  • Locate the potentiometer nut, at the base of the potentiometer piston.

  • Use the adjustable wrench to remove the nut from the potentiometer.

Edit Step 11  ¶ 

Image 1/2: Carefully turn the instrument over.

Edit Step 11  ¶ 

  • Carefully turn the instrument over.

  • Remove the potentiometer from the instrument by gently pulling it upward.

Edit Step 12  ¶ 

Image 1/3: Use the [[Topic:Soldering|soldering iron]] to release the black, yellow, and white wires from the side of the potentiometer.

Edit Step 12  ¶ 

  • Use the soldering iron to release the black, yellow, and white wires from the side of the potentiometer.

  • The soldering iron is extremely hot. Avoid contact with skin, fabric or the body of the instrument. When soldering iron is not in use, rest it on the soldering iron stand.

Edit Step 13  ¶ 

Image 1/3: Use the soldering iron to release the black and green wires from the bottom of the potentiometer.

Edit Step 13  ¶ 

  • Use the soldering iron to release the black and green wires from the bottom of the potentiometer.

  • The soldering iron is extremely hot. Avoid contact with skin, fabric or the body of the instrument. When soldering iron is not in use, rest it on the soldering iron stand.

Conclusion

To reassemble your device, follow these instructions in reverse order with a new potentiometer.

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