Yamaha Disklavier MX80 User Manual

HYBRID PIANO PRODUCT HANDBOOK
FOR THE PIANO TECHNICIAN
MHB19
00.08 CR Printed in Japan

Yamaha Disklavier MX80 Specifications

General

Action	Graded Hammer Action
Keyboard	88 keys
Sound Engine	AWM (Advanced Wave Memory)
Recording Format	MIDI
Connectivity	MIDI In/Out

Summary

Part I: Product Description

PC Connectivity for Disklavier

Hybrid Piano Sensor Types

Details the three main sensor categories (Hammer, Key, Pedal) and their operating principles.

Program Revision History

Part II: Servicing

Adjusting Hammer Shank Stopper and Let-Off (UP Silent)

Detailed procedure for adjusting shank stopper and let-off positions for UP silent piano models.

Adjusting Shank Stopper and Regulating Rods (GP Silent)

Procedure for adjusting shank stopper angle, height, and regulating rods for GP silent piano models.

Action Regulation Differences

Maintenance Mode Operations

Explains how to access and navigate the Maintenance mode for various diagnostic and calibration functions.

Test Mode Functions

Details how to enter Test mode to check sheet functions and view instrument error history.

Sensor Testing (Silent Pianos & GranTouch)

Guides on performing sensor tests for Silent Pianos and GranTouch models using keyboard input.

Program Rewriting and ROM Replacement

Disklavier Error Messages and Solutions

Lists and explains error messages displayed by Disklavier models and provides corrective actions.