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Yamaha Portatone PSR-520 PSR-620 Service Manual – PDF DOWNLOAD
$14.95
Yamaha Portatone PSR-520 PSR-620 Service Manual – PDF DOWNLOAD
Category: yamaha
Tag: Yamaha Portatone PSR-520 PSR-620 Service Manual - PDF DOWNLOAD
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Description
Yamaha Portatone PSR-520 PSR-620 Service Manual – PDF DOWNLOAD
FILE DETAILS:
Yamaha Portatone PSR-520 PSR-620 Service Manual – PDF DOWNLOAD
Language : English
Pages : 46
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:
Yamaha Portatone PSR-520 PSR-620 Service Manual – PDF DOWNLOAD
CONTENTS
SPECIFICATIONS
PANEL LAYOUT
CIRCUIT BOARD LAYOUT
BLOCK DIAGRAM
DISASSEMBLY PROCEDURE 2
LSI PIN DESCRIPTION
IC BLOCK DIAGRAM
CIRCUIT BOARDS 16
TEST PROGRAM 24
INITIALIZATION 28
MIDI DATA FORMAT 29
MIDI IMPLEMENTATION CHART 34
OVERALL CIRCUIT DIAGRAM 38
PARTS LIST 15
G.B 12/04/25
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