Yamaha_APD-1-EN_Service_Manual维修手册

DOLBY DIGITAL RF DEMODULATORAPD-1SERVICE MANUALYAMA-01355IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHARetailers and their service personnel.It has been assumed that basic service procedures inherent to the industry.and more specifically YAMAHA Products.are already known andunderstood by the users,and have therefore not been restated.WARNING:Failure to follow appropriate service and safetyprocedures when servicing this product may tesult inpersonal injury,destruction of expensive components.and failure of the product to perform as specified.Forthese reasons,we advise all YAMAHA product ownersthat any service required should be performed by anathorized YAMAHA Retailer or the appointed servicerepresentative.IMPORTANT:The presentation or sale of this manual to any individualor firm does not constitute authorization.certification orrecognition of any applicable technical capabilities.orestablish a principle-agent relationship of any form.闪MAH朗A￥%U品nAPo-1The data provided is believed to be accurate and applicable to the unit(s)indicated on the cover.The research.engineering.and service departmentsof YAMAHA are continually striving to improve YAMAHA products.Modifications are,therefore,inevitable and specifications are subject tochange without notiee or obligation to retrofit.Should any discrepancyPOWERappear to exist,please contact the distributor's Service Division.WARNING:Static discharges can destroy expensive componentsDischarge any static electricity your body may haveaccumulated by grounding yourself to the groud buss inthe unit (heavy gauge black wires connect to this buss)oN△oLIMPORTANT:Turn the unit OFF during disassembly and parreplacement.Recheck all work before you apply powerto the unit.CONTENTSTO SERVICE PERSONNELC DATA3-4SPECIFICATIONS.…PRINTED CIRCUIT BOARD5-6REAR PANELSIC BLOCK DIAGRAM......DISASSEMBLY PROCEDURES..2SCHEMATIC DIAGRAM8-9PARTS LIST.........10-15YAMAHA100590YAMAHA CORPORATIONP.O.Box 1,Hamamatsu,Japan2.9K-95 Printed in Japan'97.6355