Yamaha Clavinova CVP-205 User Manual

CVP-205/CVP-205M
CONTENTS
SPECIFICATIONS ··································································· 3
PANEL LAYOUT ······································································· 5
CIRCUIT BOARD LAYOUT & WIRING ···································· 8
DISASSEMBLY PROCEDURE ·············································· 10
LSI PIN DESCRIPTION ························································· 23
IC BLOCK DIAGRAM ···························································· 29
CIRCUIT BOARDS ································································ 31
TEST PROGRAM ·································································· 50
SYSTEM RESET ··································································· 54
MIDI IMPLEMENTATION CHART·········································· 55
MIDI DATA FORMAT ······························································ 57
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
This document is printed on chlorine free (ECF) paper with soy ink.
HAMAMATSU, JAPAN
1.753K-3651 Printed in Japan '01.09
CL
001664
SERVICE MANUAL
CVP-205
CVP-205: 20010901-350000

Yamaha Clavinova CVP-205 Specifications

General

Touch Sensitivity	Hard, Medium, Soft, Fixed
Polyphony	128 notes
Sound Source	AWM (Advanced Wave Memory)
Effects	Reverb, Chorus, DSP
Display	LCD with backlight
Speakers	2 x 5 cm
Connectivity	MIDI In/Out, USB, Headphone jack, Aux In

Summary

Yamaha Clavinova CVP-205/CVP-205M Specifications

Yamaha Clavinova CVP-205/CVP-205M Panel Layout

Yamaha Clavinova CVP-205/CVP-205M Circuit Board Layout and Wiring

Yamaha Clavinova CVP-205/CVP-205M Disassembly Procedures

Floppy Disk Drive Disassembly

Procedure for removing the Floppy Disk Drive unit, including covers and holder.

Microphone and Headphone Unit Disassembly

Procedure for removing the Mic. & Phones unit and its circuit boards.

Back Board Assembly Removal

Keyboard Assembly Removal

Procedure for removing the keyboard assembly.

Keyboard Disassembly

Procedure for disassembling the keyboard, including circuit boards and keys.

Keyboard Assembly

Procedure for assembling the keyboard components, including hammers, springs, and circuit boards.

Yamaha Clavinova CVP-205/CVP-205M IC Block Diagrams

Yamaha Clavinova CVP-205/CVP-205M Circuit Boards

A-JACK Circuit Board

DM Circuit Board

PNR Circuit Board

FU60 Circuit Board

MIC Circuit Board

NET1 Circuit Board

Yamaha Clavinova CVP-205/CVP-205M Test Program

Yamaha Clavinova CVP-205/CVP-205M System Reset