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Yamaha YPG-225 Main Circuit Board Replacement

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Use this guide to replace the main circuit board in your keyboard.

  • Auteur: Lonnie Bissmeyer
  • Durée estimée : 15 - 25 minutes
  • Difficulté: Modérée

Learn to remove and replace the main circuit board in your keyboard with this guide. The process is moderately involved and requires the removal of many screws and light force for some parts.

Sections

Étape 1 Main Circuit Board  ¶ 

Locate the main circuit board - it should be toward the middle of the detached face plate.

Étape 1 Main Circuit Board  ¶ 

  • Locate the main circuit board - it should be toward the middle of the detached face plate.

Étape 2  ¶ 

Use a plastic opening tool or spudger to carefully pry up the beige ribbon connectors and remove the wires from them. Be sure to use a tool that is ESD safe!

Étape 2  ¶ 

  • Use a plastic opening tool or spudger to carefully pry up the beige ribbon connectors and remove the wires from them.

  • Be sure to use a tool that is ESD safe!

  • Use a slightly upward force as parallel to the ground as possible.

  • Be sure to make a mental note or jot down the locations of the specific ribbon cables. Some are in close proximity to each other and it can be easy to forget which ribbon goes where.

  • Be sure to unplug the smaller ribbon that connects to a different circuit board.

  • Take care not to use too much force. The connectors are fragile, the ribbon wires are easily bent, and too much force may damage the circuit board if you happen to miss.

Étape 3  ¶ 

Move the ribbons out of the way and remove the eight 10mms crews in the middle that hold the circuit board down.

Étape 3  ¶ 

  • Move the ribbons out of the way and remove the eight 10mms crews in the middle that hold the circuit board down.

  • Remove the two 12mm screws in the corner of the circuit board.

Étape 4  ¶ 

Remove this wire carefully by hand.

Étape 4  ¶ 

  • Remove this wire carefully by hand.

Étape 5  ¶ 

Completely remove the circuit board from the face plate.

Étape 5  ¶ 

  • Completely remove the circuit board from the face plate.