Yamaha PORTATONE PSR-E303 Service Manual
Browse online or download pdf Service Manual for Musical Instrument Yamaha PORTATONE PSR-E303. Yamaha PORTATONE PSR-E303 36 pages.
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PSR-E303/YPT-300
/
SERVICE MANUAL
PSR-E303
YPT-300
CONTENTS
SPECIFICATIONS .................................................................3
PANEL LAYOUT .................................................................. 4
CIRCUIT BOARD LAYOUT & WIRING ................................ 5
BLOCK DIAGRAM ................................................................ 6
DISASSEMBLY PROCEDURE ............................................. 7
LSI PIN DESCRIPTION ....................................................... 11
IC BLOCK DIAGRAM ......................................................... 13
CIRCUIT BOARDS .............................................................. 14
TEST PROGRAM ...............................................................18
BACKUP & INITIALIZATION ............................................. 20
TRANSFERRING DATA BETWEEN
THE PSR-E303/YPT-300 and a COMPUTER ..................... 21
MIDI IMPLEMENTATION CHART ..................................... 23
MIDI DATA FORMAT ......................................................... 24
PARTS LIST
OVERALL CIRCUIT DIAGRAM
PK
001734
HAMAMATSU, JAPAN
1
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'05.05