Yamaha R-S300 Service Manual

Also see for R S300: Owner's manual Owner's manual Owner's manual Owner's manual Owner's manual

Contents

R-S300SERVICE MANUALIMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already knownand understood by the users, and have therefore not been restated.WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury,destruction of expensive components, and failure of the product to perform as specified. For these reasons, we adviseall YAMAHA product owners that any service required should be performed by an authorized YAMAHA Retailer orthe appointed service representative.IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification orrecognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and servicedepartments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable andspecifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact thedistributor's Service Division.WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.■ CONTENTSTO SERVICE PERSONNEL ............................................2IMPEDANCE SELECTOR ...............................................3FRONT PANELS .............................................................4REAR PANELS ...........................................................5–6REMOTE CONTROL PANEL ..........................................7SPECIFICATIONS .......................................................8–9INTERNAL VIEW .......................................................... 10SERVICE PRECAUTIONS ............................................ 10DISASSEMBLY PROCEDURES ............................. 11–13UPDATING FIRMWARE .......................................... 14–17SELF-DIAGNOSTIC FUNCTION ............................ 18–29AMP ADJUSTMENT ...............................................30–31DISPLAY DATA .......................................................32–33IC DATA ...................................................................34–36BLOCK DIAGRAM ........................................................37PRINTED CIRCUIT BOARDS .................................38–53PIN CONNECTION DIAGRAMS ...................................54SCHEMATIC DIAGRAMS .......................................55–60REPLACEMENT PARTS LIST ................................61–71REMOTE CONTROL .....................................................72ADVANCED SETUP ................................................ 73–74RECEIVERR-S300