Introduction

This guide will teach you how to replace the main circuit board in the CASIO CDP-230R.

Parts

No parts required.

  1. Flip the keyboard upside down, with the keys on a flat surface.
    • Flip the keyboard upside down, with the keys on a flat surface.

    • Remove the three black 14mm Japanese Industrial Standard (J) head screws using a J1 screwdriver on the top half of the outermost side panel.

    Add Comment

  2. Use two hands to grab the side panel from both sides.
    • Use two hands to grab the side panel from both sides.

    • Pull the panel apart from the device one side at a time.

    • There will be popping sounds when you remove this panel.

    • One side panel will not have an orange & white cable connected to it.

    Add Comment

    • Remove the three silver 10mm screws with a J1 screwdriver on the bottom half of the innermost side panel of the device.

    • One side panel will not have an orange & white cable running through.

    Add Comment

    • Remove the innermost side panel by pinching the top and bottom of the panel and pulling the panel off with both hands.

    • There will be popping sounds when you remove this panel.

    • Repeat steps one through four to remove the other side panel of the keyboard.

    Add Comment

    • Remove the two black 30 mm J head screws with a J1 screwdriver to remove the long black bar.

    • Remove the four silver 8mm x 2mm J head screws with a J1 screwdriver and the two brackets from the back panel.

    • There will be two screws per bracket.

    Add Comment

    • Remove the eight silver 10mm x 1.5mm J head screws with a J1 screwdriver and the square tabs from the back panel.

    • Remove the eight silver 10mm J head screws with a J1 screwdriver underneath the square tabs.

    Add Comment

    • Remove the 36 silver 10mm J head screws with a J1 screwdriver from the back panel.

    Add Comment

    • Place a hand on the front panel and speakers and carefully flip the keyboard over with the keys facing up.

    • Having a extra pair of hands will be useful.

    • Grab the center of the front panel with two hands and lift to remove panel.

    • Grab the speakers from the sides and lift to remove. Once you have done this for the first speaker, repeat with the second speaker.

    Add Comment

    • The main circuit board is located on the green side of the button panel. The main circuit board is the smaller green board.

    • Grasp the white ribbon lined with foam and pull up to remove from the main circuit board.

    • Remove the four silver 8mm x 2mm J head screws with a J1 screwdriver.

    Add Comment

    • Lift the main circuit board from the button panel.

    Add Comment

    • Grip the white plastic end of the orange and white cables that is attached to the right side of the main circuit board and pull to the right.

    • Repeat for the orange and white cables attached to the left side of the main circuit board and pull up.

    Add Comment

Conclusion

To reassemble your device, follow these instructions in reverse order.

Gavin Chao

Member since: 10/02/2017

101 Reputation

1 Guide authored

Team

Cal Poly, Team S4-G2, Livingston Fall 2017 Member of Cal Poly, Team S4-G2, Livingston Fall 2017

CPSU-LIVINGSTON-F17S4G2

4 Members

6 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 5

Past 30 Days: 18

All Time: 246