Yamaha AD824 Service Manual
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SERVICE MANUAL
PA
011523
HAMAMATSU, JAPAN
1.45K-9731 K Printed in Japan '00.07
CONTENTS
SPECIFICATIONS···································································· 3
PANEL LAYOUT······································································· 5
CIRCUIT BOARD LAYOUT ······················································ 6
DIMENTIONS ··········································································· 8
BLOCK DIAGRAM···································································· 9
DISASSEMBLY PROCEDURE··············································· 10
LSI PIN DESCRIPTION·························································· 14
IC BLOCK DIAGRAM ····························································· 16
CIRCUIT BOARDS ································································· 19
INSPECTION·········································································· 36
TEST PROGRAM ··································································· 39
FLASH ROM UPGRADE ························································ 43
ERROR MESSAGES······························································ 45
PARTS LIST
OVERALL CIRCUIT DIAGRAM
AD CONVERTER
200006**-150000
This document is printed on chlorine free (ECF) paper with soy ink.