Yamaha Portable Grand YPG-535 User Manual

SERVICE MANUAL
HAMAMATSU, JAPAN
SERVICE MANUAL
PK
001804
Copyright (c) Yamaha Corporation. All rights reserved. PDF ’08.04
SPECIFICATIONS .......................................................3
PANEL LAYOUT ..........................................................4
CIRCUIT BOARD LAYOUT & WIRING ........................6
DISASSEMBLY PROCEDURE ....................................8
LSI PIN DESCRIPTION .............................................13
IC BLOCK DIAGRAM ................................................16
CIRCUIT BOARDS ....................................................17
TEST PROGRAM ......................................................25
INITIALIZATION .........................................................29
USER DATA BACKUP ...............................................30
MIDI IMPLEMENTATION CHART ..............................34
MIDI DATA FORMAT ..................................................35
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
CONTENTS
DGX-530 YPG-535
DIGITAL KEYBOARD

Yamaha Portable Grand YPG-535 Specifications

General

Number of Keys	88
Keyboard Type	Graded Hammer Standard (GHS) keyboard
Voices	500
Styles	160
Display	LCD
Amplifiers	6W x 2
Preset Songs	30
USB	Yes
Sustain Pedal	Yes
Touch Sensitivity	Yes
Featured Voices	Electric Piano, Strings
Speakers	12 cm x 2
Effects	Reverb, Chorus
Recording	Yes
Connections	USB TO HOST
Headphones	Yes
Power Supply	AC adapter
Polyphony	64-note

Summary

Keyboard Specifications

Panel Layout Overview

Front Panel Controls

Identification and description of all controls on the front panel of the keyboard.

Rear Panel Connections

Circuit Board Layout and Wiring

Disassembly Procedures

Lower Case Assembly Disassembly

Upper Case Internal Component Disassembly

Procedures for removing various internal boards and components from the upper case.

LSI Pin Description Details

Circuit Board Identification

Test Program Guide

Test Program Preparation and Entry

Information on preparing for and entering the diagnostic test program.

Test Program Execution and Results

Procedures for executing tests and interpreting results.

User Data Backup and Management

USB Flash Memory Operations

Instructions for connecting, formatting, saving, and loading data via USB.

Parts List Information

Assembly Parts Breakdown

Detailed parts list for overall, stand, lower case, and keyboard assemblies.

Electrical Components List

System Block Diagram

Overall Circuit Diagrams

Diagram 1/2

Diagram 2/2