ELECTRONIC PIANO
SERVICE MANUAL
CONTENTS
CIRCUIT BOARD LAYOUT ······························································ 3
BLOCK DIAGRAM·············································································· 4
DISASSEMBLY PROCEDURE ························································ 5
LSI PIN DESCRIPTION··································································· 13
IC BLOCK DIAGRAM ······································································ 16
CIRCUIT BOARDS··········································································· 17
TEST PROGRAM············································································· 21
INSPECTIONS·················································································· 23
SPECIFICATIONS ··········································································· 24
PANEL LAYOUT··············································································· 25
ERROR MESSAGES······································································· 26
INITIALIZE ························································································· 27
MIDI DATA FORMAT······································································· 28
MIDI IMPLEMENTATION CHART················································· 37
OVERALL CIRCUIT DIAGRAM
011392
SY
HAMAMATSU, JAPAN
19980301-198000
1.96K-759
Printed in Japan '98.03