Yamaha-DVDS1700-sacd-sm 维修电路原理图.pdf
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1、SERVICE MANUAL101037IMPORTANT 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, an
2、d 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 own
3、ers 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 capabilitie
4、s, 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,
5、 inevitableand specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, pleasecontact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may haveaccumul
6、ated 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.DVD AUDIO/VIDEO SA-CD PLAYERDVD-S1700P.O.Box 1, Hamamatsu, JapanDVD-S1700
7、2006 All rights reserved.This manual is copyrighted by YAMAHA and may not be copied orredistributed either in print or electronically without permission. 06.12I CONTENTSTO SERVICE PERSONNEL . 24PREVENTION OF ELECTROSTATIC DISCHARGE . 4LOCALE MANAGEMENT INFORMATION . 4FRONT PANEL . 5REAR PANELS . 56R
8、EMOTE CONTROL PANEL . 7SPECIFICATIONS / 参考仕様 . 7INTERNAL VIEW . 8TRADE MODE / . 8ERROR MESSAGE / . 8TROUBLESHOOTING / . 8DISASSEMBLY PROCEDURES / 分解手順. 9DISPLAY DATA . 10IC DATA . 1230BLOCK DIAGRAM. 31WIRING DIAGRAM . 32PRINTED CIRCUIT BOARDS. 3336SCHEMATIC DIAGRAMS. 3742REPLACEMENT PARTS LIST . 434
9、5REMOTE CONTROL. 46RadioFans.CN 收音机爱 好者资料库DVD-S17002DVD-S1700WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (whereapplic
10、able) components may also contain traces of chemicals found by the California Health and Welfare Agency (andpossibly 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 ANY REA-SON WHATSOEV
11、ER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands beforehandling food.1. Critical Component
12、s InformationComponents having special characteristics aremarked s and must be replaced with parts havingspecifications equal to those originally installed.2. Leakage Current Measurement (For 120V ModelsOnly)When service has been completed, it is imperative toverify that all exposed conductive surfa
13、ces are prop-erly insulated from supply circuits.GMeter impedance should be equivalent to 1500 ohmsshunted by 0.15F.GLeakage current must not exceed 0.5mA.GBe sure to test for leakage with the AC plug in bothpolarities.I TO SERVICE PERSONNEL本機搭載基板付接合部無鉛付。無鉛種類、修理時下記無鉛使用推奨。Sn+Ag+Cu (錫+銀+銅)Sn+Cu (錫+銅)S
14、n+Zn+Bi (錫+亜鉛+)注意:無鉛融点温度通常鉛入比3040程度高、合使用。All of the P.C.B.s installed in this unit and solder joints aresoldered using the lead free solder.Among some types of lead free solder currently available,it is recommended to use one of the following types for therepair work. Sn + Ag + Cu (tin + silver + co
15、pper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth)Caution:As the melting point temperature of the lead free solderis about 30C to 40C (50F to 70F) higher than that ofthe lead solder, be sure to use a soldering iron suitableto each solder.About lead free solder / 無鉛WARNING: Laser Safety
16、This product contains a laser beam component. This component may emit invisible, as well as visible radiation,which may cause eye damage. To protect your eyes and skin from laser radiation, the following precautions must beused during servicing of the unit.1) When testing and/or repairing any compon
17、ent within the product, keep your eyes and skin more than 30 cm away fromthe laser pick-up unit at all times. Do not stare at the laser beam at any time.2) Do not attempt to readjust, disassemble or repair the laser pick-up, unless noted elsewhere in this manual.3) CAUTION : Use of controls, adjustm
18、ents or performance of procedures other than those specified herein may result inhazardous radiation exposure.RadioFans.CN 收音机爱 好者资料库DVD-S17003DVD-S1700Laser Emitting conditions:1) When the Top Cover is removed, and the STANDBY/ON SW is turned to the ON position, the laser component will emita beam
19、for several seconds to detect if a disc is present. During this time (5-10 sec.) the laser may radiate through thelens of the laser pick-up unit. Do not attempt any servicing during this period!If no disc is detected, the laser will stop emitting the beam. When a disc is loaded, you will not be expo
20、sed to any laseremissions.2) The laser power level can be adjusted with the VR on the pick-up PWB, however, this level has been set by the factoryprior to shipping from the factory. Do not adjust this laser level control unless instruction is provided elsewhere in thismanual. Adjustment of this cont
21、rol can increase the laser emission level from the device.Laser Diode PropertiesType:Semiconductor laser GaAlAsWave length:650 nm (DVD)790 nm (VCD/CD)Output Power:1.45 mW (DVD)1.13 mW (VCD/CD)Beam divergence:60 degreesVARO!: AVATTAESSA JA SUOJALUKITUSOHITETTAESSA OLET ALTTIINANKYMTTMLLE LASER-STEILY
22、LLE. L KATSOSTEESEEN.VARNING! : OSYNLIG LASERSTRLNING NRDENNA DEL R PPNAD OCHSPRREN R URKOPPLAD.BETRAKTA EJ STRLEN.DVD-S17004DVD-S1700I PREVENTION OF ELECTROSTATIC DISCHARGEThis product incorporates copyright pro-tection technology that is protected bymethod claims of certain U.S. patents andother i
23、ntellectual property rights owned byMacrovision Corporation and other rightsowners. Use of this copyright protectiontechnology must be authorized byMacrovision Corporation, and is intendedfor home and other limited viewing usesonly unless otherwise authorized byMacrovision Corporation. Reverse engin
24、eer-ing or disassembly is prohibited.The laser diode in the DVD mechanism may be damaged due to static electricity from clothes or the human body. Use cautionto prevent electrostatic damage when servicing or handling the DVD-mechanism.1. Grounding for electrostatic damage preventionSome devices, suc
25、h as the DVD player, use an optical pickup (laser diode) that will be damaged by static electricity in theworking environment. Only attempt service after ensuring that all grounding procedures have been completed.1. Worktable groundingPut a grounded conductive material (sheet) or iron sheet on the a
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