Yamaha-DVRS60-hts-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 NOTICE100815SERVICE MANUALDVR-S60/NX-SW60HOME THEATER SOUND SYSTEM DVX-S60The DVX-S60
7、is composed of the DVR-S60 and the NX-SW60.DVX-S60DVR-S60 NX-SW60構成。DVD P.C.B. OPERATION / DVD基板動作 . . . .1834DVD START-UP PROGRAM FLOW CHART . . . . .35MPEG P.C.B. OPERATION / MPEG基板動作 . . .3640TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . .4243TUNER ADJUSTMENTS / 部調整 . . . . . . .44DISPL
8、AY DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4665BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . .67WIRING CONNECTION . . . . . . . . . . . . . . . . . . . . . . .68PRINTED CIRCUIT BOARD .
9、. . . . . . . . . . . . . . .6976SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . .7782VOLTAGE CHART . . . . . . . . . . . . . . . . . . . . . . . .8387PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . .88103NX-SW60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104105R
10、EMOTE CONTROL . . . . . . . . . . . . . . . . . . . .106107PARTS LIST FOR CARBON RESISTORS . . . . . .108I CONTENTSTO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . .23PREVENTION OF ELECTRO STATIC DISCHARGE . . . . . .4LOCALE MANAGEMENT INFORMATION . . . . . . . .4SYSTEM COMPOSITION / 構成 . . .
11、. . . . . . . .5FRONT PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . .56REMOTE CONTROL PANELS . . . . . . . . . . . . . . . . . .6REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . .78SPECIFICATIONS / 参考仕様 . . . . . . . . . . . . . . . . .911INTERNAL VIEW . . . . . . . . .
12、 . . . . . . . . . . . . . . . . . . .11DISASSEMBLY PROCEDURES /分解手順 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1213RESET PROCEDURE / . . . . . . . . .14DVD MECHANISM HANDLING PRECAUTIONS /DVD取扱時注意事項 . . . . . . . . . . . . . . . .14DVD MECHANISM DISASSEMBLY PROCEDURES /DVD分解手順
13、 . . . . . . . . . . . . . . . . . . . . . . . . . .15TRAY INSTALLATION / 方法 . . . .1617DVR-S60NX-SW60RadioFans.CN 收音机爱 好者资料库Copyright 2002 YAMAHA CORPORATIONThis manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission.DVR-S60/NX-SW
14、602DVR-S60NX-SW60I 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 completed
15、, 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 0.5mA.GBe sure to te
16、st for leakage with the AC plug in bothpolarities.“CAUTION”“F4101 4104 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 2.0A, 250V FUSE.”“F4131 : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 5.0A, 250V FUSE.”“F4132 : FOR CONTINUED PROTECTION
17、AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 0.315A, 250V FUSE.”CAUTIONF4101 4104 : REPLACE WITH SAME TYPE 2.0A, 250V FUSE.F4131 : REPLACE WITH SAME TYPE 5.0A, 250V FUSE.F4131 : REPLACE WITH SAME TYPE 0.315A, 250V FUSE.ATTENTIONF4101 4104 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 2.0A,
18、250V.F4131 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 5.0A, 250V.F4132 : UTILISER UN FUSIBLE DE RECHANGE DE MEME TYPE DE 0.315A, 250V.A VWARNING: Laser SafetyThis product contains a laser beam component. This component may emit invisible, as well as visible radiation,which may cause eye damag
19、e. To protect your eyes and skin from laser radiation, the following precautions mustbe used during servicing of the unit.1) When testing and/or repairing any component 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
20、 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, adjustments or performance of procedures other than those specified herein may result inhazardous radiation exposure.WARNING: CHEMICAL CONTENT
21、 NOTICE!The solder used in the production of this product contains LEAD. In addition, 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 bir
22、th defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC 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 i
23、n contact with solder or components located inside the enclosure of this product, wash your handsbefore handling food.RadioFans.CN 收音机爱 好者资料库DVR-S60/NX-SW60DVR-S60NX-SW603Laser Emitting conditions:1) When the Top Cover is removed, and the STANDBY/ON SW is turned to the ON position, the laser compone
24、nt willemit a beam for several seconds to detect if a disc is present. During this time (5-10 sec.) the laser may radiate throughthe 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 the beam. When a disc is set, you
25、will not be exposed 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. Adjustm
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