yamahacdx-490_cdx-590维修电器原理图

COMPACT DISC PLAYERCDX-490/590SERVICE MANUALIMPORTANT NOTICEbepred for thefred YAMA Retalers and their service peronnel.known and understood by the users,and have therefore not been restated.WARNING:inyov mmere o oue o omwe advise all YAMAHA product owners that all service required should be performed by an nuthorizedYAMAHA the ppointed.IMPORTANT:The presentan or sale ofThe data provided is believed to be accurate and applicable to the unit(s)indicated on the cover.The research,engineering.andservice deinmprovYAMAHAtModificre.thrand specifications are subcontactthe distributor's Service Division.WARNING:ad by meoIn te bomIMPORTANT:Tum the unit OFF during disassembly and parts replacement.Recheck all work before you apply power to the unit.圈CONTENTSTO SERVICE PERSONNEL12IC DATA….1520FRONT PANELS3PIN CONNECTION DIAGRAM.1REAR PANELS.34CDX-490 PRINTED CIRCUIT BOARD.2225SPECIFICATIONS.........5CDX-490 BLOCK DIAGRAM.26~27INTERNAL VIEW...61 BLOCKS.28~29DISASSEMBLY PROCEDURES4…67CDX-490 SCHEMATIC DIAGRAM .....30TEST M0D呢，78CDX-590 SCHEMATIC DIAGRAM..........31MEMORY BACKUP48CDX-590 BLOCK DIAGRAM.......…3233ERROR MESSAGE .....911CDX-590 PRINTED CIRCUIT BOARD.3437STANDARD OPERATION CHART..........12~13PARTS LIST....…3851DISPLAY DATA…14REMOTE CONTROL TRANSMITTER.....52cpx400600YAMAHA100539Y88A8剂3.2K-373 Printed in Japan '96.3