Yamaha-AX-540_SM维修手册

STEREO INTEGRATED AMPLIFIERAX-540SERVICE MANUAL0w=☐乌马宁台：÷而IMPORTANT NOTICEThis has been provided forI:has been assumed that basic service procedares inherant to the industry,and more specifically YAMAHAFroducts,are already known and understood by the users,and have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this productthat all service required should be performed by an authorized YAMAHA Retailer or theappointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or fim does not constituteauthorization,cenification or recognition of any applicable tecanical capabilities,orThe data provided is believed to be accurate and applicable to the unit(s)indicated on the cover.The reserch,mgineering,and service departments of YAMAHA are continually striving to improve YAMAHA products.nge without notice or obligation toAX-540WARNING:Statie discharges can destbody may have accumulited by grounding yourself to the ground buss in the unit Cheavygauge black wires comnert to this buss).IMPORTANT:Tu the unit OFF during disassembly and pars placemen Rechock before youapply power to the unit.■CONTENTSTO SERVICE PERSONNELADJUSTMENTSm.4REAR PANELS ...INTERCONNECT WIRING DIAGRAM......5SPECIFICATIONS2PRINTED CIRCUIT BOARD613BLOCK DIAGRAM........3SCHEMATIC DIAGRAM ...........14INTERNAL VIEW.3PARTS LIST.15w23DISASSEMBLY PROCEDURESYAMAHA100347YAMAHA CORPORATIONPO.Box 1,Hamamatsu.Japan2.0K-732 Printed in Japan '90.3