Yamaha Portatone YPT-210

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SERVICE MANUAL

SPECIFICATIONS （総合仕様）.................................................................. 3/4

PANEL LAYOUT （パネルレイアウト）......................................................... 5

CIRCUIT BOARD LAYOUT & WIRING （ユニットレイアウト&結線図）........ 7

BLOCK DIAGRAM （ブロックダイアグラム）.............................................. 8

DISASSEMBLY PROCEDURES （分解手順）............................................... 9

LSI PIN DESCRIPTION （LSI端子機能表）.................................................. 15

IC BLOCK DIAGRAM （ICブロック図）...................................................... 16

CIRCUIT BOARDS （シート基板図）........................................................... 17

TEST PROGRAM （テストプログラム）................................................ 20/22

MIDI IMPLEMENTATION CHART

（MIDIインプリメンテーションチャート）............................................. 24/25

MIDI DATA FORMAT................................................................................. 26

PARTS LIST

OVERALL CIRCUIT DIAGRAM （総回路図）

■ CONTENTS （目次）

PK 001775

HAMAMATSU, JAPAN

PSR-E213: 200702-xxxxxx

PSR-E213

YPT-210

* YPT-210 is an overseas export model. （YPT-210は、輸出専用モデルです。）

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Simple Manual71 pages

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Summary

CIRCUIT BOARD LAYOUT & WIRING

BLOCK DIAGRAM

DISASSEMBLY PROCEDURES

Lower Case Assembly

Procedure for removing the lower case assembly.

DMLCD Circuit Board, LCD Display

Steps to remove the DMLCD circuit board and LCD display.

PNAM Circuit Board (1;2, 2;2)

Procedures for removing the PNAM circuit boards (1/2 and 2/2).

Speaker

Lower Case Keyboard Assembly

Procedure for removing the lower case keyboard assembly.

Keyboard Assembly

Steps to remove the keyboard assembly, including keys and contacts.

MK-L Circuit Board, MK-H Circuit Board

Steps for removing the MK-L and MK-H circuit boards.

How to Remove Spring Terminals

LSI PIN DESCRIPTION

YMW767-VTZ CPU (Central Processing Unit)

TEST PROGRAM

Preparation

Start-up the Test Program

Test Procedure

Steps for executing and navigating through the test program items.

Test program list

MIDI DATA FORMAT

OVERALL CIRCUIT DIAGRAM