SERVICE MANUAL
PP
008600
HAMAMATSU, JAPAN
CONTENTS
PROTECTION OF EYES
FROM LASER BEAM DURING SERVICING .............. 3
SPECIFICATIONS..................................................................... 5
PANEL LAYOUT ...................................................................... 7
CIRCUIT BOARD LAYOUT .................................................... 10
DISASSEMBLY PROCEDURE ............................................... 12
LSI PIN DESCRIPTION........................................................... 24
IC BLOCK DIAGRAM ............................................................. 32
CIRCUIT BOARDS.................................................................. 36
WRITING NEW PROGRAM TO FLASH MEMORY............... 49
TEST MODE ........................................................................... 52
ERROR MESSAGES .............................................................. 58
TROUBLESHOOTING............................................................ 60
RESETTING YOUR DISKLAVIER .......................................... 62
MIDI IMPLEMENTATION CHART......................................... 63
PIANO MAINTENANCE PART .............................................. 64
PARTS LIST
OVERALL CIRCUIT DIAGRAM
BLOCK DIAGRAM
WIRING
This document is printed on chlorine free (ECF) paper with soy ink.
0.915K-6333 Printed in Japan ’02.07
TM
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DU1A
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