Introduction

Use this guide to replace keys in the Yamaha YPT-300 Keyboard.

Image 1/2: Locate the battery compartment in the lower right side of the keyboard. Remove the six AA batteries. Image 2/2: Locate the battery compartment in the lower right side of the keyboard. Remove the six AA batteries.
  • Flip the keyboard so that the display is face down and the back of the keyboard is facing upwards.

  • Locate the battery compartment in the lower right side of the keyboard. Remove the six AA batteries.

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Image 1/2: Image 2/2:
  • Remove the five 3 mm Phillips screws that line the top edge of the upper plate with a Phillips #2 screwdriver.

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Image 1/3: Note the two inner screws are longer than the outer screws. Be sure to separate or label them to reduce confusion during reassembly. Image 2/3: Note the two inner screws are longer than the outer screws. Be sure to separate or label them to reduce confusion during reassembly. Image 3/3: Note the two inner screws are longer than the outer screws. Be sure to separate or label them to reduce confusion during reassembly.
  • Remove the four 3mm screws on the bottom edge of the upper plate with a Phillips #2 screwdriver

  • Note the two inner screws are longer than the outer screws. Be sure to separate or label them to reduce confusion during reassembly.

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Image 1/3: Remove the single 3mm screw at the top center of the lower plate with a Phillips #2 screwdriver. Image 2/3: Remove the single 3mm screw at the top center of the lower plate with a Phillips #2 screwdriver. Image 3/3: Remove the single 3mm screw at the top center of the lower plate with a Phillips #2 screwdriver.
  • Remove the two Phillips 3 mm screws located at each corner edge of the lower plate with a Phillips #2 screwdriver.

  • Remove the single 3mm screw at the top center of the lower plate with a Phillips #2 screwdriver.

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Image 1/3: Each bracket contains a top and bottom half. Only the top half of the bracket will loosen the ribbon cable. Image 2/3: Use a flathead 2.5 mm screwdriver and a spudger tool on each side of the ribbon cables to remove them from their respective brackets. Image 3/3: Do not to attempt to dislodge the entire bracket in which these ribbons are connected.
  • Locate the series of three white ribbon cables on the bottom of the main green circuit board (in between the two orange circuit boards).

  • Each bracket contains a top and bottom half. Only the top half of the bracket will loosen the ribbon cable.

  • Use a flathead 2.5 mm screwdriver and a spudger tool on each side of the ribbon cables to remove them from their respective brackets.

  • Do not to attempt to dislodge the entire bracket in which these ribbons are connected.

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Image 1/3: Be careful not to dislodge the remaining cables attached to the circuit boards. Image 2/3: Keys should rest comfortably on the speakers. Image 3/3: Keys should rest comfortably on the speakers.
  • Lift the lower plate that is attached to the keys away from the frame so that the keys are facing upwards.

  • Be careful not to dislodge the remaining cables attached to the circuit boards.

  • Keys should rest comfortably on the speakers.

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Image 1/2: There is one white key on the right end of the keyboard, with its own respective screw. Image 2/2: Remove the four 3mm Phillips screws above your desired octave of keys with a Phillips #2 screwdriver.
  • The 61-keys are separated into five groups of 12 keys, five black and seven white, called octaves. Locate the four screws on the black bracket above your desired octave of keys.

  • There is one white key on the right end of the keyboard, with its own respective screw.

  • Remove the four 3mm Phillips screws above your desired octave of keys with a Phillips #2 screwdriver.

  • Position your other hand underneath the keys to provide support.

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Image 1/2: Push the group of keys you are holding away from the circuit board until the hooks of the white keys are free. Lift to remove. Image 2/2: Make sure to apply light pressure and pull the black brackets inwards so the hooks do not get caught underneath the circuit board.
  • Push the black tabs inward towards the display side of the keyboard

  • Push the group of keys you are holding away from the circuit board until the hooks of the white keys are free. Lift to remove.

  • Make sure to apply light pressure and pull the black brackets inwards so the hooks do not get caught underneath the circuit board.

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Image 1/3: Image 2/3: Image 3/3:
  • Apply upward pressure to the bottoms of the black tabs and then lift then lift to separate.

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Image 1/2: Apply light pressure as to not crack or damage the plastic. Image 2/2: Apply light pressure as to not crack or damage the plastic.
  • Use the spudger tool to pry the two layers of white keys apart. Use light pressure to separate.

  • Apply light pressure as to not crack or damage the plastic.

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Image 1/1:
  • Replace the desired group of keys.

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Conclusion

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

Trent Merfeld

Member since: 07/12/2015

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