Yamaha AvantGard N1 Maintenance Handbook

Yamaha AvantGard N1 Maintenance Handbook

Hybrid piano
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HYBRID PIANO
N3, N2, N1
NU1
MAINTENANCE HANDBOOK
MHB31
September 2012 Ver.1

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Table of Contents
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Summarization of Contents

Introduction and Service Overview
Service Check Points
Essential checks and precautions during assembly and disassembly for proper piano function.
Piano Action Adjustment Points
Specifications and methods for adjusting piano action and hammer shank alignment.
Key Sensor Measurement and Adjustment
Procedures for measuring and adjusting key sensor and hammer sensor height for accurate performance.
Key Shutter Installation Procedure (N1/NU1)
Step-by-step guide for installing the key shutter on N1 and NU1 models.
External Part Finishing List
Summary of surface finishing types for exterior parts across different piano models.
Parts Lists
N3 Parts List
Comprehensive list of parts for the N3 model, including part numbers and remarks.
N2 Parts List
Comprehensive list of parts for the N2 model, including part numbers and remarks.
N1 Parts List
Comprehensive list of parts for the N1 model, including part numbers and remarks.
NU1 Parts List
Comprehensive list of parts for the NU1 model, including part numbers and remarks.
Disassembly Procedures
N3 Disassembly Procedure
Detailed instructions for disassembling the N3 model, with safety precautions.
N2 Disassembly Procedure
Detailed instructions for disassembling the N2 model, with safety precautions.
N1 Disassembly Procedure
Detailed instructions for disassembling the N1 model, with safety precautions.
NU1 Disassembly Procedure
Detailed instructions for disassembling the NU1 model, with safety precautions.
Key Cover and Top Board Replacement Procedures
N3, N2 Key Cover Assembly Replacement
Steps and adjustments for replacing the key cover assembly on N3 and N2 models.
N3 Top Board (F) Assembly Replacement
Procedure for replacing the top board (F) assembly on the N3 model, including adjustments.
N1 Key Cover Replacement Procedure
Step-by-step guide and adjustments for replacing the key cover on the N1 model.
Adjustment Procedure by Replacing Damper Holder (N1)
Specific procedure for replacing damper holders and making related adjustments.
Arm Assembly and Related Procedures
N1 Arm Lower Assembly Replacement Procedure
Detailed procedure for replacing the arm lower assembly on the N1 model, including adjustments.
N1 Arm Upper Assembly Replacement Procedure
Procedure for replacing the arm upper assembly on the N1 model, including alignment checks.
Frequently Asked Questions (Q&A)
Function Switch Usage
Explains the function of the function switch for selecting tones and settings.
Headphone Noise Explanation
Explains vibration noise from TRS function when headphones are connected.
Pedal Movement Adjustment
Procedure to fix a loose or shaky pedal by adjusting the support rod screw.
Key Sensor Unit Height Adjustment
Guidance on when key sensor unit height adjustment is needed.
Hammer Sensor Unit Height Adjustment
Guidance on when hammer sensor unit height adjustment is needed.
Pedal Adjustability
Information on pedal adjustability for different models.
Tuning and Piano Action Maintenance
Clarifies tuning requirements and maintenance for piano action.
Environmental Monitoring Advice
Advice on storage environment for optimal piano operation.
Keyboard Action Comparison (DGP/N Series)
Comparison of keyboard actions between different piano models.
N1 Production Numbers
Explanation of dual production numbers for the N1 model.

Table of Contents