Yamaha-DVS5860-dvd-sm 维修电路原理图.pdf
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1、SERVICE MANUAL1 0 0 9 5 0SERVICE MANUALP.O.Box 1, Hamamatsu, Japan 2005 All rights reserved.DVD-S657/DV-S5860SERVICE MANUALDVD AUDIO/VIDEO SA-CD PLAYERDVD-S657/DV-S5860IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been ass
2、umed 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 persona
3、linjury, 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
4、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 c
5、over. 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
6、distributors 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
7、and part replacement. Recheck all work before you apply power to the unit.I CONTENTSTO SERVICE PERSONNEL . 23PREVENTION OF ELECTROSTATIC DISCHARGE.4LOCALE MANAGEMENT INFORMATION . 4FRONT PANELS. 5REAR PANELS . 56REMOTE CONTROL. 6SPECIFICATIONS / 参考仕様 . 78INTERNAL VIEW . 9REPAIR NOTES / 修理上留意点 . 10DI
8、SASSEMBLY PROCEDURES / 分解手順. 1112MAINTENANCE FLOW CHART / . 1322BLOCK DIAGRAM. 23WIRING DIAGRAM . 24PRINTED CIRCUIT BOARD . 2530SCHEMATIC DIAGRAM . 3137EXPLODED VIEW. 38MECHANICAL PARTS . 39 05.05RadioFans.CN 收音机爱 好者资料库DVD-S657/DV-S5860DVD-S657/DV-S58602WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER
9、OREQUIVALENTINSULATINGTABLEI TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characteristics are marked Zand must be replaced with parts having specifications equalto those originally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been
10、 completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohms shuntedby 0.15F.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in bothpolarities.WARNING: Las
11、er SafetyThis product contains a laser beam component. Thiscomponent may emit invisible, as well as visible radia-tion, which may cause eye damage. To protect youreyes and skin from laser radiation, the following pre-cautions must be used during servicing of the unit.1) When testing and/or repairing
12、 any component withinthe product, keep your eyes and skin more than 30 cmaway from the laser pick-up unit at all times. Do notstare at the laser beam at any time.2) Do not attempt to readjust, disassemble or repair thelaser pick-up, unless noted elsewhere in this manual.3) CAUTION : Use of controls,
13、 adjustments or perform-ance of procedures other than those specified hereinmay result in hazardous radiation exposure.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic(where applicable) component
14、s may also contain traces of chemicals found by the California Health and WelfareAgency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANYREASON WHATSOEVER!Avoid prolonge
15、d, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes orexpose eyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your handsbefore handling food.Laser Emitting conditions:1) When the
16、Top Cover is removed, and the STANDBY/ON SW is turned to the ON position, the laser compo-nent will emit a beam for several seconds to detect if adisc is present. During this time (5-10 sec.) the lasermay radiate through the lens of the laser pick-up unit.Do not attempt any servicing during this per
17、iod!If no disc is detected, the laser will stop emitting thebeam. When a disc is loaded, you will not be exposedto any laser emissions.2) The laser power level can be adjusted with the VR onthe pick-up PWB, however, this level has been set bythe factory prior to shipping from the factory. Do notadju
18、st this laser level control unless instruction is pro-vided elsewhere in this manual. Adjustment of this con-trol can increase the laser emission level from the de-vice.警告:安全対策本機光線放射部品搭載。部品放射光線目損傷起。光線目及肌保護、本機修理作業中下記注意厳守。1) 時修理時、目及肌光30c 以上離。場合光線見。2) 光再調整及分解。3) 上指定以外制御、調整、手順光線照射結果招恐。放射条件1) 取外STANDBY/O
19、N ON、検知5 10 秒間、光光線放射。間、修理。検知、光線放射停止。場合、遮光線修理担当者届。2) 光基板上VR 調整可能、工場出荷前調整済、VR 廻。VR 廻装置光線放射上恐。RadioFans.CN 收音机爱 好者资料库DVD-S657/DV-S5860DVD-S657/DV-S58603INVISIBLE LASER RADIATION WHEN OPENDO NOT STARE INTO BEAMCAUTION:INVISIBLE LASER RADIATION WHEN OPENAVOID DIRECT EXPOSURE TO THE BEAMDANGER:Laser Diode
20、 PropertiesType:Semiconductor laser GaAlAsWave length:650 nm (DVD)780 nm (VCD/CD)Output Power:7 mW (DVD), 10 mW (VCD/CD)Beam divergence60 degreeVARO!: AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NKYMTTMLLE LASER-STEILYLLE. L KATSO STEESEEN.VARNING! : OSYNLIG LASERSTRLNING NR DENNA DEL R PP
21、NAD OCH SPRREN R URKOPPLAD.BETRAKTA EJ STRLEN.WARNINGThe use of optical instruments with this product will increase eye hazard.Repair handling should take place as much as possible with a disc loaded inside the player.CAUTIONVISIBLE AND INVISIBLE LASER RADIATION WHENOPEN. AVOID EXPOSURE TO BEAM.ADVA
22、RSELSYNLIG OG USYNLIG LASERSTRLING VED BNING.UNDG UDSTTELSE FOR STRLING.ADVARSELSYNLIG OG USYNLIG LASERSTRLING NR DEKSELPNES. UNNG EKSPONERING FOR STRLEN.VARNINGSYNLIG OCH OSYNLIG LASERSTRLNING NRDENNA DEL R PPNAD. BETRAKTA EJ STRLEN.VARO!AVATTAESSA OLET ALTTIINA NKYVLLE JANKYMTTMLLE LASER S TEILYLL
23、E. L KATSOSTEESEEN.VORSICHTSICHTBARE UND UNSICHTBARE LASERSTRAHLUNGWENN ABDECKUNG GEFFNET. NICHT DEM STRAHLAUSSETSEN.DANGERVISIBLE AND INVISIBLE LASER RADIATION WHENOPEN. AVOID DIRECT EXPOSURE TO BEAM.ATTENTION RAYONNEMENT LASER VISIBLE ET INVISIBLE EN CASDOUVERTURE. EXPOSITION DANGEREUSE AUFAISCEAU
24、Warning for power supplyThe primary side of the power supply carries live mains voltage when the player is connected to the mains even whenthe player is switched off !This primary area is not shielded so it is possible to touch copper tracks and/or components when servicing the player.Service person
25、nel have to take precautions to prevent touching this area or components in this area.Note:The screws on the DVD mechanism may never be touched, removed or re-adjusted.Handle the DVD mechanism with care when the unit has to be exchanged!The DVD mechanism is very sensitive for dropping or giving shoc
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