Yamaha PortaTone PSR-1000 Service Manual

Browse online or download pdf Service Manual for Electronic Keyboard Yamaha PortaTone PSR-1000. Yamaha PortaTone PSR-1000 19 pages.
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Yamaha PortaTone PSR-1000 Service Manual
This document is printed on chlorine free (ECF) paper with soy ink.
PK
001666
SERVICE MANUAL
CONTENTS
SPECIFICATIONS ···································································· 2
PANEL LAYOUT······································································· 4
CIRCUIT BOARD LAYOUT ······················································ 6
DISASSEMBLY PROCEDURE················································· 8
LSI PIN DESCRIPTION ·························································· 13
IC BLOCK DIAGRAM ····························································· 20
CIRCUIT BOARDS ································································· 21
TEST PROGRAM ··································································· 39
SYSTEM RESET ···································································· 42
MIDI IMPLEMENTATION CHART ·········································· 43
MIDI DATA FORMAT······························································ 44
PARTS LIST
BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
PSR-1000
PSR-2000
HAMAMATSU, JAPAN
1.421K-4071
Printed in Japan '01.09