Yamaha-DVS5770-dvd-sm 维修电路原理图.pdf
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1、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 b
2、een 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 r
3、equired 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 prin
4、ciple-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 andspecifi
5、cations are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact thedistributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding your
6、self 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 NOTICE100874SERVICE MANUALDISASSEMBLY PROCEDURES /分解手順 . . . . . . . . . . . . . . . .
7、 . . . . . . . . . . . . . . . . .910BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .11PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . .1215SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . .1627EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . .28MECHANICA
8、L PARTS . . . . . . . . . . . . . . . . . . . .2829I CONTENTSTO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . .24PREVENTION OF ELECTRO STATIC DISCHARGE . . . . . .4LOCALE MANAGEMENT INFORMATION . . . . . . . .5FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5REMOTE CONTRO
9、L PANEL . . . . . . . . . . . . . . . . . . .5REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6SPECIFICATIONS / 参考仕様 . . . . . . . . . . . . . . . . . .78SERVICE HINTS / . . . . . . . . . . . . . . . .8DVD PLAYERDVD-S1500/DV-S5770DVD-S1500/DV-S5770 04.07RadioFans.CN 收音机爱 好者资料库
10、2DVD-S1500/DV-S5770DVD-S1500/DV-S5770I 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 servic
11、e has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMeter impedance should be equivalent to 1500 ohm shuntedby 0.15F.AC LEAKAGETESTER OREQUIVALENTEQUIPMENTUNDER TESTINSULATINGTABLEWALLOUTLETGLeakage current must not exceed
12、0.5mA.GBe sure to test for leakage with the AC plug in bothpolarities.WARNING: Laser SafetyThis product contains a laser beam component. Thiscomponent may emit invisible, as well as visible radiation,which may cause eye damage. To protect your eyesand skin from laser radiation, the following precaut
13、ionsmust be used during servicing of the unit.1) When testing and/or repairing 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 thelase
14、r pick-up, unless noted elsewhere in this manual.3) CAUTION : Use of controls, adjustments orperformance of procedures other than those specifiedherein may result in hazardous radiation exposure.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addi
15、tion, other electrical/electronic and/orplastic (where applicable) components may also contain traces of chemicals found by the California Health andWelfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC
16、 OR PLASTIC COMPONENTS IN YOUR MOUTH FORANY REASON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumesor expose eyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product
17、, wash your handsbefore handling food.Laser Emitting conditions:1) When the Top Cover is removed, and the STANDBY/ON SW is turned to the ON position, the lasercomponent will emit a beam for several seconds todetect if a disc is present. During this time (5-10 sec.)the laser may radiate through the l
18、ens of the laser pick-up unit. Do not attempt any servicing during this period!If no disc is detected, the laser will stop emitting thebeam. When a disc is loaded, you will not be exposedto any laser emissions.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。) 時修理時、 目及肌光30c以上離。 場合光線見。) 光再調整及分解。)
19、 上指定以外制御、 調整、手順光線照射結果招恐。放射条件) 取外STANDBY/ONON、検知510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。RadioFans.CN 收音机爱 好者资料库3DVD-S1500/DV-S5770DVD-S1500/DV-S5770Laser Diode PropertiesType:Semiconductor laser GaAlAsWave length:650 nm (DVD/SA-CD)790 nm (VCD/CD)Output Power:7 mW (DVD/SA-CD/VCD/CD)VARO!: AVATTAESSA J
20、A SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NKYMTTMLLELASER-STEILYLLE. L KATSO STEESEEN.VARNING! : OSYNLIG LASERSTRLNING NR DENNA DEL R PPNAD OCH SPRREN R URKOPPLAD.BETRAKTA EJ STRLEN.半導体 GaAlAs波長650 nm (DVD/SA-CD)790 nm (VCD/CD)出力7 mW (DVD/SA-CD/VCD/CD)WARNINGThe use of optical instruments with this
21、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 RADIATIONWHEN OPEN. AVOID EXPOSURE TO BEAMADVARSELSYNLIG OG USYNLIG LASERSTRLING VEDBNING UNDG UDSTTELSE FORSTRLINGADVARSELSYNLIG OG USYNLIG
22、LASERSTRLING NRDEKSEL PNES UNNG EKSPONERING FORSTRLENVARNINGSYNLIG OCH OSYNLIG LASERSTRLNINGNR DENNA DEL R PPNAD BETRAKTA EJSTRLENVARO!AVATT AESSA OLET ALTTIINA NKYVLLE JANKYMTTMLLE LASER STEILYLLE. LKATSO STEESEEN2) The laser power level can be adjusted with the VR onthe pick-up PWB, however, this
23、level has been set bythe factory prior to shipping from the factory. Do notadjust this laser level control unless instruction isprovided elsewhere in this manual. Adjustment of thiscontrol can increase the laser emission level from thedevice.) 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。le laser CAUTION - V
24、isible and invisibradiation when open. Avoid exposure to beam.VORSICHTSICHTBARE UND UNSICHTBARELASERSTRAHLUNG WENN ABDECKUNGGEFFNET NICHT DEM STRAHLAUSSETSENDANGERVISIBLE AND INVISIBLE LASER RADIATI ONWHEN OPEN. AVOID DIRECT EXPOSURE TOBEAMATTENTION RAYONNEMENT LASER VISIBLE ET INVIS-IBLE EN CAS DOU
25、VERTURE EXPOSITIONDANGEREUSE AU FAISCEAU4DVD-S1500/DV-S5770DVD-S1500/DV-S5770I PREVENTION OF ELECTRO STATIC DISCHARGEThe laser diode in the DVD mechanism may be damaged due to static electricity from clothes or the human body. Use cautionto prevent electro static damage when servicing or handling th
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