Yamaha RX-V765 Service Manual

Contents

AV RECEIVER/AV AMPLIFIER1 0 1 1 4 1animate '09.05P.O.Box 1, Hamamatsu, JapanCopyright © 2009 All rights reserved.This manual is copyrighted by YAMAHA and may not be copied orredistributed either in print or electronically without permission.SERVICE MANUALRX-V765/HTR-6270/AX-V765RX-V765/HTR-6270/AX-V765IMPORTANT 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 ............................................2FRONT PANELS .........................................................3–4REAR PANELS ...........................................................5–8REMOTE CONTROL PANEL ..........................................9SPECIFICATIONS / ................................. 10–16INTERNAL VIEW .......................................................... 17SERVICE PRECAUTIONS / ..... 17DISASSEMBLY PROCEDURES / ........... 18–20UPDATING FIRMWARE /.....................................21–31SELF-DIAGNOSTIC FUNCTION /.......................................32–64CONFIRMATION OF IDLING CURRENT OF AMP UNIT /..................65DISPLAY DATA .......................................................66–67IC DATA ...................................................................68–86PIN CONNECTION DIAGRAMS .............................87–89BLOCK DIAGRAMS ................................................90–93PRINTED CIRCUIT BOARDS ................................94–111SCHEMATIC DIAGRAMS ................................... 113–124REPLACEMENT PARTS LIST ............................ 125–147REMOTE CONTROL ........................................... 148–150ADVANCED SETUP ............................................ 151–152........................... 153–154