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.

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

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

Remove the back casing to reveal the inner circuitry. Remove the back casing to reveal the inner circuitry.
  • 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.
  • Locate the different parts of your tuner, finding the broken input jack port.

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

Take your new input jack port and solder the wires to the corresponding connection areas on the new port. Learn how to solder (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).

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

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

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

CPSU-GREEN-W15S23G4

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