Yamaha AX-496 Service Manual

Also see for AX-396: Product catalog Owner's manual Owner's manual

Contents

AX-496/396SERVICE MANUALSTEREO AMPLIFIERAX-496/3961 0 0 7 0 2 CONTENTSSPECIFICATIONS .......................................................... 1TO SERVICE PERSONNEL .......................................... 2REMOTE CONTROL PANEL ........................................ 2IMPEDANCE SELECTOR ............................................. 2FRONT PANELS ............................................................ 3REAR PANELS .............................................................. 3INTERNAL VIEW ........................................................... 6DISASSEMBLY PROCEDURES ................................... 6ADJUSTMENTS ............................................................. 7BLOCK DIAGRAM ......................................................... 8μ-COM DATA ................................................................. 9PRINTED CIRCUIT BOARD .................................. 10~25SCHEMATIC DIAGRAM ........................................ 26~29PARTS LIST ........................................................... 30~47REMOTE CONTROL TRANSMITTER ........................ 48IMPORTANT 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 known and understood by the users, and have therefore not been restated.WARNING: Failure to follow appropriate service and safety procedures when servicing this product may resultin personal injury, destruction of expensive components, and failure of the product to perform asspecified. For these reasons, we advise all YAMAHA product owners that any service requiredshould be performed by an authorized YAMAHA Retailer or the appointed service representative.IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization,certification or recognition of any applicable technical capabilities, or establish a principle-agentrelationship 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 service departments of YAMAHA are continually striving to improve YAMAHA products.Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation toretrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.WARNING: Static discharges can destroy expensive components. Discharge any static electricity your bodymay have accumulated by grounding yourself to the ground buss in the unit (heavy gauge blackwires connect to this buss).IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you applypower to the unit.AX-496/396P.O.Box 1, Hamamatsu, Japan