Yamaha-PW800W-psu-sm 维修电路原理图.pdf
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1、PW800W1SERVICE MANUALPA011740HAMAMATSU, JAPAN CONTENTSSPECIFICATIONS. 3PANEL LAYOUT. 4DIMENSIONS. 5CIRCUIT BOARD LAYOUT. 6DISASSEMBLY PROCEDURE. 7CIRCUIT BOARDS. 10PARTS LISTOVERALL CONNECTOR CIRCUIT DIAGRAMOVERALL CIRCUIT DIAGRAMPOWER SUPPLYPW800WCopyright (c) Yamaha Corporation. All rights reserve
2、d. 04.09(目次)(総合仕様)()(寸法図)()(分解手順)(基板図)(総接続回路図)(総回路図)200408-RadioFans.CN 收音机爱 好者资料库PW800W2IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumedthat basic service procedures inherent to the industry, and more specifica
3、lly Yamaha Products, are already known and under-stood 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 per-sonal injury, destruction of expensive components and failure of the product to
4、 perform as specified. Forthese reasons, we advise all Yamaha product owners that all service required should be performed by anauthorized Yamaha Retailer or the appointed service representative.IMPORTANT :This presentation or sale of this manual to any individual or firm does not constitute authori
5、zation certifi-cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship ofany form.The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, andservice departments of Yamaha are continu
6、ally striving to improve Yamaha products. Modifications are, therefore, inevitableand changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear toexist, please contact the distributors Service Division.WARNING :Static discharges can destro
7、y expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect tothis bus.)IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply powerto the
8、 unit.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possiblyother entit
9、ies) 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 REASON WHATSO EVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or exposeeyes t
10、o solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.WARNINGComponents having special characteristics are marked and must be replaced with parts having specification equal to thoseoriginally installed.I
11、MPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordWARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANT. The wires in this mains lead are coloured in accordance with the following code:GREEN-AND-YELLOW: EARTHBLUE: NEUTRALBROWN: LIVEAs the colours of the wires in the mains lead of this app
12、aratusmay not correspond with the coloured markings identifying theterminals in your plug proceed as follows:The wire which is coloured GREEN-and-YELLOW must be con-nected to the terminal in the plug which is marked by the letter Eor by the safety earth symbol or colored GREEN or GREEN-and-YELLOW.Th
13、e wire which is coloured BLUE must be connected to the ter-minal which is marked with the letter N or coloured BLACK.The wire which is coloured BROWN must be connected to theterminal which is marked with the letter L or coloured RED. This applies only to products distributed by Yamaha-Kemble Music (
14、U.K.) Ltd.(3 wires) 印商品、安全維持重要部品。交換場合、安全必指定部品使用。RadioFans.CN 收音机爱 好者资料库PW800W3SPECIFICATIONSGeneral SpecificationsPower Consumption1000WDimensions (W x H x D)480 mm x 142 mm x 384 mmWeight10 kgIncluded AccessoriesPower cord, Cord clamp, Owners Manual Tempera-ture RangeOperating10C 35CStorage-20C 60C
15、Power Connector Pin Diagram Power Supply Cable Pin Assignments? ? ? ?No.FunctionNo.Function1?13?2?14?3?15?4?16?5?17?6?18?7?19?8?20?9?21? ?10?22? ?11?23? ?12? ?一般仕様消費電力1000外形寸法(W x H x D)480mm142mm384mm質量10kg付属品電源、誤脱防止、取扱説明書、保証書温度範囲使用時1035保管時 2060(電源形状)(電源配列)(総合仕様)PW800W4PANEL LAYOUTq POWER ON/OFF Sw
16、itchqFront Panel ()Rear Panel ()rewtw DC OUTPUT Connectore DC PARALLEL INPUT Connectorr AC IN Connectort GROUND Screw Terminal()(POWER ON/OFF )(DC OUTPUT )(DC PARALLEL INPUT )(AC IN 端子)(用)PW800W5DIMENSIONS35143037835548038413210142Units: mm(寸法図)(単位)PW800W6Receptacle assembly( Assy)Power transformer(
17、電源)DCACLEDSwitch assembly (Power switch)( Assy (電源 ) )Power supply unit (AC/DC convertor)(電源)Window angle()CIRCUIT BOARD LAYOUT()PW800W7I DISASSEMBLY PROCEDURE1.Top Cover(Time required : About 1 minute)Remove the fourteen (14) screws marked 390. Thetop cover can then be removed. (Fig. 1)2.Power Supp
18、ly Unit(Time required : About 2 minutes)2-1.Remove the top cover. (See procedure 1)2-2.Remove the six (6) screws marked 240. The powersupply unit and the window angle can then be removed.(Fig. 1)2-3.Remove the three (3) screws marked 225 and thescrew marked 230A. The window angle can then beremoved
19、from the power supply unit. (Fig. 1)2-4.Remove the four (4) screws marked 230B. The SWpower angle can then be removed from the powersupply unit. (Fig. 1)3.DC Circuit Board(Time required : About 2 minutes)3-1.Remove the top cover. (See procedure 1)3-2.Remove the eleven (11) screws marked 310. The DCc
20、ircuit board can then be removed. (Fig. 1)3-3.Remove the four (4) screws marked 290 and thescrew marked 300. The heat sink and holder can thenbe removed from the DC circuit board. (Fig. 1)4.AC Circuit Board(Time required : About 1 minute)4-1.Remove the top cover. (See procedure 1)4-2.Remove the six
21、(6) screws marked 200. The ACcircuit board can then be removed. (Fig. 1)5.LED Circuit Board(Time required : About 1 minute)5-1.Remove the top cover. (See procedure 1)5-2.Remove the two (2) screws marked 180. The LEDcircuit board can then be removed. (Fig. 1)6.Power Transformer(Time required : About
22、1 minute)6-1.Remove the top cover. (See procedure 1)6-2.Remove the two (2) screws marked 317. The powertransformer can then be removed. (Fig. 1)7.Switch Assembly (Power Switch)(Time required : About 4 minutes)7-1.Remove the top cover. (See procedure 1)7-2.Remove the connector pins connected to K6 to
23、 K9terminals of the AC circuit board.7-3.Remove the six (6) screws marked 330 and the four(4) screws marked 355. The front panel can then beremoved. (Fig. 1)7-4.Remove the switch assembly (power switch) bybending its claw. (Fig. 1)8.Front Fan Motor(Time required : About 3 minutes)8-1.Remove the top
24、cover. (See procedure 1)8-2.Remove the six (6) screws marked 330 and the four(4) screws marked 355. The front panel can then beremoved. (Fig. 1)8-3.Remove the power switch. (See procedure 7)8-4.Remove the four (4) screws marked 120A. The fanmotor (front) and the two (2) fan guides can then beremoved
25、. (Fig. 1)1. (所要時間 : 約1分)39014本外、 外。(図1)2.電源 (所要時間 : 約2分)2-1.外。(1項参照)2-2.2406本外、 電源外。(図1)2-3.2253本230A1本外、 電源外。(図1)2-4.230B4本外、 電源SW電源取付金具外。(図1)3.DC (所要時間 : 約2分)3-1.外。(1項参照)3-2.31011本外、 DC外。(図1)3-3.2904本3001本外、 DCDS/取付金具外。(図1)4.AC (所要時間 : 約1分)4-1.外。(1項参照)4-2.2006本外、 AC外。(図1)5.LED (所要時間 : 約1分)5-1.外。(
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