Casio AP-25 User Manual

AP-25/28
ELECTRONIC KEYBOARD
AP-25/28
APR. 2001

Casio AP-25 Specifications

General

Brand	Casio
Model	AP-25
Category	Musical Instrument
Language	English

Summary

Safety Notice for Casio AP-25/28

Casio AP-25/28 Product Specifications

System Block Diagram

Keyboard Component Replacement

Replacing White and Black Keys

Procedure for replacing individual white and black keys, including greasing.

Hammer Replacement Procedure

Steps for removing and lubricating piano hammers for optimal performance.

Contact Rubber Replacement Guide

Instructions and precautions for replacing contact rubbers, requiring a special jig.

Keyboard Unit Maintenance Precautions

Guidance on initial load testing and general maintenance of the keyboard unit.

Circuit Description and Key Matrix

Keyboard Key Matrix Functionality

Explanation of the keyboard's key matrix scanning and signal processing.

Exploded View of Casio AP-25/28

Stand Assembly Details

Schematic Diagrams