![background image](http://html.mh-extra.com/html/yamaha/mu128/mu128_service-manual_898904001.webp)
SERVICE MANUAL
SY
011451
HAMAMATSU,JAPAN
0.32K-5351 I Printed in Japan’98.12
CONTENTS
CIRCUIT BOARD LAYOUT ....................................................................... 6
WIRING & BLOCK DIAGRAM .................................................................. 7
DISASSEMBLY PROCEDURE ................................................................. 8
CIRCUIT BOARDS ................................................................................. 11
LSI PIN DESCRIPTION ......................................................................... 13
IC BLOCK DIAGRAM ............................................................................ 15
TEST PROGRAM ................................................................................... 18
ERROR MESSAGES .............................................................................. 28
CONNECTING CABLES ........................................................................ 29
MIDI IMPLEMENTATION CHART ......................................................... 30
Summary of Contents for MU128
Page 7: ...7 7 7 7 7 MU128 MU128 MU128 MU128 MU128 28C99 8812612 LCD 28CA1 8812501 ...
Page 16: ...MU128 16 ...
Page 17: ...MU128 17 ...
Page 32: ...MU128 2 ...
Page 34: ...MU128 4 ...