Yamaha-DVDS30-hts-sm 维修电路原理图.pdf
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1、IMPORTANT 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 already known and understood by the users,and have therefore not
2、 been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensivecomponents, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any servic
3、e requiredshould be performed by an authorized YAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or recognition of any applicabletechnical capabilities, or establish a p
4、rinciple-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 service departments of YAMAHA arecontinually striving to improve YAMAHA products. Modifications are, therefore, inevitable and spe
5、cifications are subject to change without notice or obligation toretrofit. Should any discrepancy appear to exist, please contact the distributors Service Division.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding
6、 yourself to theground 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.100972P.O.Box 1, Hamamatsu, Japan 2005 All rights reserved.This manual is copyrighted by YAM
7、AHA and may not be copied orredistributed either in print or electronically without permission.SERVICE MANUALDVD HOME THEATER SOUND SYSTEM DVX-S30DVD PLAYERDVD-S30DVD-S30The DVX-S30 consists of the DVD-S30, the AVC-S30 and the NX-P30.This service manual is for the DVD-S30.For the AVC-S30 (including
8、AVC-35 and NX-P30) service manual, please refer to the following publication number:AVC-S30 / AVC-S35 / NX-P30 100971DVX-S30DVD-S30、AVC-S30及NX-P30構成。DVD-S30用。AVC-S30用 (AVC-S35、NX-P30含) 下記参照。AVC-S30 / AVC-S35 / NX-P30 100971MAINTENANCE FLOW CHART .1720 .2124IC DATA .2526DISPLAY DATA .27BLOCK DIAGRAM.
9、29PRINTED CIRCUIT BOARD .3034SCHEMATIC DIAGRAM.3537PARTS LIST.3945REMOTE CONTROL .46I CONTENTSTO SERVICE PERSONNEL .25PREVENTION OF ELECTROSTATIC DISCHARGE .5LOCALE MANAGEMENT INFORMATION .5SYSTEM COMPOSITION .6FRONT PANELS.7REAR PANELS.78REMOTE CONTROL PANELS .9SPECIFICATIONS / 参考仕様.1011INTERNAL VI
10、EW .11TRADE MODE / .12DISASSEMBLY PROCEDURES /分解手順.1316 05.09RadioFans.CN 收音机爱 好者资料库DVD-S302DVD-S30WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLEWARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/
11、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 OR PLASTIC COMPONENTS
12、IN YOUR MOUTH FOR ANYREASON WHATSOEVER!Avoid prolonged, 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
13、 handling food.Side ASide BSMT REFLOW ProcessMI FLOW ProcessSolder DipAmong 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 + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth)Cautio
14、n:1. 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.2. If lead solder must be used, be sure to remove lead freesolder from each terminal section of the parts to berepl
15、aced and from the area around it completely beforesoldering, or make sure that the lead free solder andlead solder melt together fully.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)Sn+Zn+Bi (錫+亜鉛+)注意:1. 無鉛融点温度通常鉛入比3040程度高、合使用。2. 鉛入使得場合、交換部品端子部周辺部無鉛取除、無鉛鉛入十分溶状態付。About Lead Free Solder / 無鉛The P.C.B.s i
16、nstalled in this unit are soldered using thefollowing solder.本機搭載基板付使用下記通。AV P.C.B.OPERATION P.C.B.Side A / A 面Lead Free Solder / 無鉛Lead Free Solder / 無鉛Side B / B面Lead Free Solder / 無鉛Lead Free Solder / 無鉛I TO SERVICE PERSONNEL1. Critical Components InformationComponents having special characterist
17、ics are marked Z andmust be replaced with parts having specifications equal tothose originally installed.2. Leakage Current Measurement (For 120V Models Only)When service has been completed, it is imperative to verifythat all exposed conductive surfaces are properly insulatedfrom supply circuits.GMe
18、ter 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 both polarities.RadioFans.CN 收音机爱 好者资料库DVD-S303DVD-S30WARNING: Laser SafetyThis product contains a laser beam component. Thiscomponent may emit invi
19、sible, as well as visible radiation,which may cause eye damage. To protect your eyesand skin from laser radiation, the following precautionsmust 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
20、 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, adjustments orperformance of procedures other than those specifiedherein may result i
21、n hazardous radiation exposure.Laser Diode PropertiesType:Semiconductor laser GaAlAsWave length:650 nm (DVD)780 nm (VCD/CD)Output Power:7 mW (DVD)10 mW (VCD/CD)Beam divergence:60 degree半導体 GaAlAs波長650 nm (DVD)780 nm (VCD/CD)出力7 mW (DVD)10 mW (VCD/CD)広60 度2) The laser power level can be adjusted with
22、 the VR onthe pick-up PWB, however, this 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.警告:安全対策本機光線放射部品搭載
23、。 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。) 上指定以外制御、 調整、手順光線照射結果招恐。) 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。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 secon
24、ds todetect if a disc is present. During this time (5-10 sec.)the laser may radiate through the lens 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 emi
25、ssions.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。VARO!: AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NKYMTTMLLELASER-STEILYLLE. L KATSO STEESEEN.VARNING! : OSYNLIG LASERSTRLNING NR DENNA DEL R PPNAD OCH SPRREN R URKOPPLAD.BETRAKTA EJ STRLEN.DVD-S304DVD-S30CAUTION - VISI
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