Yamaha DRX-2 Service Manual

Also see for DRX-2: Owner's manual Owner's manual

Contents

DRX-2DRX-21SERVICE MANUALDVD RECORDERDRX-21 0 0 8 7 8 CONTENTSTO SERVICE PERSONNEL ...................................... 2~4PREVENTION OF ELECTRO STATIC DISCHARGE ... 4LOCALE MANAGEMENT INFORMATION ................... 4FRONT PANELS ............................................................ 5REMOTE CONTROL PANEL ........................................ 5REAR PANELS .............................................................. 6SPECIFICATIONS ...................................................... 6~8DISASSEMBLY PROCEDURES ............................. 9~11DIAGNOSTIC SOFTWARE ................................... 12~94ALIGNMENTS ........................................................ 95~97CIRCUIT DESCRIPTIONS ................................... 98~114ABBREVIATION LIST ....................................... 115~118IC DATA ............................................................. 119~126BLOCK DIAGRAM ..................................................... 127WIRING DIAGRAM .................................................... 128WAVEFORMS .................................................... 129~130PRINTED CIRCUIT BOARD .............................. 131~149SCHEMATIC DIAGRAM .................................... 150~177PARTS LIST ....................................................... 178~189IMPORTANT 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 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 authorizedYAMAHA Retailer 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, andservice departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitableand specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact the distributor'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.P.O.Box 1, Hamamatsu, Japan