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Boss CE-300 Super Chorus Switches Replacement

Introducción

This guide provides instructions for replacing faulty switches in the Boss CE-300 Super Chorus, a renowned analog chorus effects processor used by musicians to produce rich, dynamic sounds. The switches control various features of the device, including muting and effect adjustments. If the switches are unresponsive, loose, or show inconsistent functionality, replacing them can restore the unit to optimal performance.

The replacement process involves accessing the device’s internal components, which requires disassembling the faceplate and bottom panel. You will also need to desolder the faulty switches from the circuit board and solder the new ones in place. The guide assumes you have basic soldering experience and access to tools such as a Phillips #2 screwdriver, 11mm and 14mm wrenches, and a soldering iron.

Care should be taken when handling internal components, especially during desoldering, to avoid damaging the circuit board or other sensitive parts. Follow this guide step-by-step to ensure a successful replacement.

Qué necesitas

  1. Boss CE-300 Super Chorus Switches Replacement, Top Panel: paso 1, imagen 1 de 1

    • Use a Phillips #2 screwdriver to remove the 3 14.8 mm screws located on the left side of the CE-300.

    • Repeat the previous bullet on the right side.

    Traducir

  2. Boss CE-300 Super Chorus Switches Replacement: paso 2, imagen 1 de 1

    • Remove the two 10 mm bolts using a Phillips #2 screwdriver.

    Traducir

  3. Boss CE-300 Super Chorus Switches Replacement: paso 3, imagen 1 de 1

    • On the back of the CE-300, remove the two 7.5 mm screws with a Phillips #2 screwdriver.

    Traducir

  4. Boss CE-300 Super Chorus Switches Replacement: paso 4, imagen 1 de 1

    • On the left side, remove the one 10 mm screws with a Phillips #2 screwdriver.

    • Repeat the previous bullet on the right side.

    Traducir

  5. Boss CE-300 Super Chorus Switches Replacement: paso 5, imagen 1 de 2 Boss CE-300 Super Chorus Switches Replacement: paso 5, imagen 2 de 2

    • Slide the top panel away from the front.

    • Lift the panel up and off.

    Traducir

  6. Boss CE-300 Super Chorus Switches Replacement, Bottom Panel: paso 6, imagen 1 de 1

    • Remove the following screws with a Phillips #2 screwdriver:​

    • Two 7.5 mm

    • Two 10 mm

    Traducir

  8. Boss CE-300 Super Chorus Switches Replacement: paso 7, imagen 1 de 2 Boss CE-300 Super Chorus Switches Replacement: paso 7, imagen 2 de 2

    • Lift the bottom panel up and off.

    Traducir

  9. Boss CE-300 Super Chorus Switches Replacement, Face plate: paso 8, imagen 1 de 1

    • Remove the single 5.7 mm screw on the left side of the face plate.

    • Repeat the previous step on the right side of the face plate.

    Traducir

  10. Boss CE-300 Super Chorus Switches Replacement: paso 9, imagen 1 de 2 Boss CE-300 Super Chorus Switches Replacement: paso 9, imagen 2 de 2

    • Remove all dial covers.

    Traducir

  11. Boss CE-300 Super Chorus Switches Replacement: paso 10, imagen 1 de 3 Boss CE-300 Super Chorus Switches Replacement: paso 10, imagen 2 de 3 Boss CE-300 Super Chorus Switches Replacement: paso 10, imagen 3 de 3

    • From the inside of the unit, pinch the 3 clips holding the faceplate in

    • Do not use any metal tool to pinch the clips. If metal damages the board, it may be unrepairable.

    • Push the clips in and the face plate will slide off.

    Traducir

  12. Boss CE-300 Super Chorus Switches Replacement: paso 11, imagen 1 de 1

    • With a 11 mm wrench or socket, remove the five nuts around the dials.

    Traducir

  13. Boss CE-300 Super Chorus Switches Replacement: paso 12, imagen 1 de 1

    • With a 14 mm wrench or socket, remove the three nuts around the jacks.

    Traducir

  14. Boss CE-300 Super Chorus Switches Replacement: paso 13, imagen 1 de 2 Boss CE-300 Super Chorus Switches Replacement: paso 13, imagen 2 de 2

    • Remove the three switch covers.

    Traducir

  15. Boss CE-300 Super Chorus Switches Replacement: paso 14, imagen 1 de 1

    • Use a Phillips #2 screwdriver to remove the single 7.8 mm screw on the left side of the bracket.

    • Repeat the previous bullet on the right side of the bracket.

    Traducir

  16. Boss CE-300 Super Chorus Switches Replacement: paso 15, imagen 1 de 2 Boss CE-300 Super Chorus Switches Replacement: paso 15, imagen 2 de 2

    • Remove the two audio jacks that are to the side.

    • Do not pull the face bracket fully off and away. Some cables will remain attached to the face bracket and to the board.

    • Carefully remove the face bracket by sliding it forward until it clears all dials, then lift up.

    Traducir

  17. Boss CE-300 Super Chorus Switches Replacement, Switches: paso 16, imagen 1 de 2 Boss CE-300 Super Chorus Switches Replacement, Switches: paso 16, imagen 2 de 2

    • From the "top" of the board, desolder the marked joints.

    • For some switches, the board is labeled to help identify the correct switch. The switch shown in the second picture is the "Direct Mute" switch.

    Traducir
Conclusión

To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.

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