Yamaha AV-S70 Service Manual

Also see for AV-S70: Owner's manual Service manual

Contents

1 0 0 6 9 7SERVICE MANUALAV-S70/NX-SW70AV-S70/NX-SW70HOME THEATER SYSTEMNX-SW70 is composed of SW-AVS70 and NX-AVS70s. CONTENTSTO SERVICE PERSONNEL ......................................... 1FRONT/REAR PANELS .......................................... 1—2SPECIFICATIONS ......................................................... 3DISASSEMBLY PROCEDURES .................................. 4TEST PROGRAM MODE ........................................ 5—6DSP DIAG MODE ................................................. 7—13AV-S70 IC DATA ................................................ 14—20AV-S70 BLOCK DIAGRAM ................................ 21—22SW-AVS70 BLOCK DIAGRAM .................................. 23AV-S70 PRINTED CIRCUIT BOARD ................. 24—33SW-AVS70 PRINTED CIRCUIT BOARD ........... 34—35AV-S70 SCHEMATIC DIAGRAM ....................... 36—39SW-AVS70 SCHEMATIC DIAGRAM .......................... 40PARTS LIST ........................................................ 41—54REMOTE CONTROL TRANSMITTER ........................ 55IMPORTANT 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 result in personal injury, destruction of expensivecomponents, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any servicerequired should 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 applicabletechnical 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 service departments of YAMAHA arecontinually 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 body may have accumulated by grounding yourself to theground 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.FRONT SPEAKER (AV-S70)SUBWOOFER(SW-AVS70)REAR SPEAKER(NX-AVS70)REAR SPEAKER(NX-AVS70)www . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com