Denon RCD-M39 Service Manual

Also see for RCD-M39: Getting started guide Owner's manual Owner's manual Service manual Getting started

Contents

2CONTENTSABOUT THIS MANUAL .............................................................3What you can do with this manual ............................................3Using Adobe Reader (Windows version) ..................................4NOTE FOR SCHEMATIC DIAGRAM.........................................7Specifications ...........................................................................9CAUTION IN SERVICING ........................................................10Initializing STEREO CD RECEIVER .......................................10Support for Asia-Pacific tropical climate regions .....................10DISASSEMBLY ........................................................................11About the photos used for "descriptions in theDISASSEMBLY" section ........................................................121. LOADER PANEL ASSY .......................................................122. FRONT PANEL ASSY .........................................................133. CD MECHA .........................................................................144. HEAT SINK SUB ASSY .......................................................155. REAR PANEL ASSY............................................................176. POWER UNIT ASSY ...........................................................197. MCU PCB UNIT ASSY ........................................................198. TRANS ................................................................................19Note Handling and Replacement of the Laser pick-up .......201. Protection of the LD.............................................................202. Precautions when handling the laser CD mechanism .........203. Cautions on assembling and adjustment ............................204. Determining whether the laser pick-up is defective .............20Service Mode ..........................................................................21How to input ...........................................................................211. Version display mode ..........................................................212. VFD checking mode ............................................................213. Cold start mode (initialization) .............................................224. CD test mode ......................................................................225. CD heat run mode ...............................................................266. Accumulated laser on time display mode ............................28VERSION UPGRADE PROCEDURE OF FIRMWARE ............291. ABOUT REPLACE THE MICROPROCESSOR WITHA NEW ONE ...........................................................................292. UPDATE MODE ..................................................................29TROUBLE SHOOTING ............................................................451. VFD dosen't light .................................................................452. No Sound, Noise generated ................................................46MEASURING METHOD AND WAVEFORMS ..........................501. MCU CD PCB : TEST POINT..............................................502. INPUT PCB : TEST POINT ................................................513. WAVEFORMS .....................................................................52BLOCK DIAGRAM...................................................................55Current BLOCK DIAGRAM.....................................................56LEVEL DIAGRAM ....................................................................57WIRING DIAGRAM ..................................................................58PRINTED WIRING BOARDS ...................................................59AMP ........................................................................................59POWER ..................................................................................59FRONT ...................................................................................60SPEAKER ..............................................................................60CONNECTOR ........................................................................61CONNETER ...........................................................................61CONNETER ...........................................................................61MCU .......................................................................................62DIGITAL INPUT ......................................................................63DC-DC ....................................................................................63REGULATOR .........................................................................63DAB ........................................................................................63SCHEMATIC DIAGRAMS (1/3) ...............................................64MCU&CD ................................................................................64DIGITAL INPUT .......................................................................65POWER & AMP ......................................................................66EXPLODED VIEW ...................................................................67EXPLODED VIEW OF CD MECHANISM UNIT .......................68PARTS LIST OF EXPLODED VIEW .......................................69PARTS LIST OF CD MECHANISM UNIT ...............................69PACKING VIEW .......................................................................70PARTS LIST OF PACKING & ACCESSORIES .......................70SEMICONDUCTORS ...............................................................711. IC's ......................................................................................712. FL DISPLAY.........................................................................90PARTS LIST OF PCB UNIT .....................................................93