Introduction

Is your input jack broken in your chromatic tuner? Instead of buying a new one you can just buy the input part itself and replace it. This method works for similar tuners but this guide is specifically for the DeltaLab CT-40 Chromatic Tuner.

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  • First, open the metal stand to access the screws without damaging the body.

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  • Remove the 3 outer 1.2 mm Phillips #1 screws using a small head screwdriver.

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  • Remove the back casing to reveal the inner circuitry.

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  • Locate the different parts of your tuner, finding the broken input jack port.

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  • Snip the wires attached to the input jack port using the wire cutter as close to the input jack port as possible.

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Image 1/2: Learn how to solder ([https://www.ifixit.com/Guide/How+To+Solder+and+Desolder+Connections/750|here]). Image 2/2: Learn how to solder ([https://www.ifixit.com/Guide/How+To+Solder+and+Desolder+Connections/750|here]).
  • Take your new input jack port and solder the wires to the corresponding connection areas on the new port.

  • Learn how to solder (here).

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  • Fold the wires back and put the new input port into the slot where it belongs on the tuner.

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  • Replace the casing and 3 1.2 mm Phillips #1 screws using the screwdriver.

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Finish Line

Theodore Tan

Member since: 02/24/2015

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Cal Poly, Team 23-4, Green Winter 2015 Member of Cal Poly, Team 23-4, Green Winter 2015

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