Yamaha NS-P240 Service Manual

Also see for NS-P240: Owner's manual

Contents

SERVICE MANUALThis 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 alreadyknown 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 personalinjury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHARetailer or the 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.IMPORTANT NOTICE1 0 0 8 8 0SERVICE MANUALNS-P240/NS-P246HOME THEATER SOUND SPEAKER SYSTEMNS-P240/NS-P246 is composed of NX-S120, NX-C120 and SW-P240.SW-P240 BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . 8SW-P240 PRINTED CIRCUIT BOARD . . . . . . . . . . . . 9SW-P240 SCHEMATIC DIAGRAM . . . . . . . . . . . . . . 10PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11–15 CONTENTSTO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . . . 2FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–4SPECIFICATIONS / 4–6SW-P240 INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . 6SW-P240 DISASSEMBLY PROCEDURES /7NS-P240NS-P246