Casio CTK-680 Manuals

Table of Contents

• 2

  Table of Contents
• 2

  Specifications
• 4

  Block Diagram
• 5

  Circuit Description
  • 10

    Second
• 15

  Major Waveforms
• 16

  Printed Circuit Boards
• 17

  Schematic Diagrams
• 21

  Exploded View
• 22

  Parts List