SERVICE MANUAL■FRONT PANELJX50@■CONTENTSSPECIFICATIONS......................2PRINTED CIRCUIT BOARD..···,,4GENERAL ADJUSTMENT AND CHECK.......2SCHEMATIC DIAGRAM..................5BLOCK DIAGRAM .....................4PARTS LIST ..........................6SINCE 1887YAMAHA006421NIPPON GAKKI CO LTD HAMAMATSU.JAPAN79 Nov.1.5K Printed in Japan
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