Yorkville-YBA200_2-pwr-sm 维修电路原理图.pdf
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1、U.S.A.Yorkville Sound Inc.4625 Witmer Industrial EstateNiagara Falls, New York14305 USAVoice: (716) 297-2920Fax: (716) 297-3689WORLD HEADQUARTERSWEB ACCESS: http:/CANADAYorkville Sound550 Granite CourtPickering, OntarioL1W-3Y8 CANADAVoice: (905) 837-8481Fax: (905) 837-8746Quality and Innovation Sinc
2、e 1963Printed in CanadaSERVICE MANUALYBA200-2MODEL TYPE: YS1029GainMasterTrebleMidRangeBassScoopResonanceBassmasterStandbyPowerONOFFPre-AmpOutLine OutAmp InPre-EQPost-EQ-20 dBPadliftgndGroundMuteTunerInputsPassiveActive0 dB-6 dB05100510051005100510051005100510YBA200ALLTUBEBrightActiveBassmasterYBA20
3、0-2ALLTUBEKT88KT88POWERDISCONNECT POWER WHENREPLACING TUBES.USE MATCHED TUBES ONLY!DBRANCH LAPPAREIL AVANTDE REMPLACER LES LAMPES.UTILLISEZ SEULEMENT DES TUBES APPARIS!PREAMPSPLITTER12AX712AX74-ohmsSpeaker LoadSpeaker Load withALL Speakers ConnectedATTENTION: Before powering unit on,make sure speake
4、rs are connected8-ohmsCAUTION: REPLACE WITHSAME TYPE FUSE AND RATINGATTENTION: UTILISER UN FUSIBLE DERECHANGE DE MEME TYPE ET CALIBREDESIGNED & MANUFACTURED BYYORKVILLE SOUND Toronto, CANADAFUSE: T3,0A LFUSE: T6.3A L SloBlo230V 50Hz 1,3A120VAC 60Hz 2.5AMODEL TYPE: YS1029A-Z538R / 2v2V7KT88V4KT88V5V6
5、V1V212AU7V3THIS UNIT MUST BE GROUNDED!CET APPAREIL DOIT ETRE MIS TERRE! DISCONNECT POWERBEFORE SERVICING!DEBRANCHER LAPPEREIL AVANTDENLEVER LES COUVERCLES! Series 2 QUALITY & INNOVATION ESTABLISHED 1963 RadioFans.CN 收音机爱 好者资料库Manual-Service-YBA200-2-00-1v2.pdfThe exclamation point within an equilate
6、real triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.Le point dexclamation lintrieur dun triangle quilatral est prvu pour alerter lutilisateur de la prsence dinstructions importantes d
7、ans la littrature accompag-nant lappareil en ce qui concerne lopration et la maintenance de cet appareil. This lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the products enclosure that ma
8、y be of sufficient magnitude to constitute a risk of electric shock to persons.Ce symbole dclair avec tte de flche dans un triangle quilatral est prvu pour alerter lutilisateur de la prsence dun voltage dangereux non-isol proximit de lenceinte du produit qui pourrait tre dampleur suffisante pour prs
9、enter un risque de choque lectrique.IMPORTANT SAFETY INSTRUCTIONSsafety-4v7 May 7/2008CAUTION: TO REDUCE THE RISK OF ELECTRICSHOCK, DO NOT REMOVE COVER (OR BACK).NO USER SERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIEDSERVICE PERSONNEL.FOLLOW ALL INSTRUCTIONSSUIVEZ TOUTES LES INSTRUCTIONSInstru
10、ctions pertaining to a risk of fire,electric shock, or injury to a personRead Instructions: The Owners Manual should be read and understood before operation of your unit. Please, save these instructions for future reference and heed all warnings. Clean only with dry cloth.Packaging: Keep the box and
11、 packaging materials, in case the unit needs to be returned for service.Warning: To reduce the risk or fire or electric shock, do not expose this apparatus to rain or moisture. Do not use this apparatus near water!Warning: When using electric products, basic precautions should always be followed, in
12、cluding the following:Power SourcesYour unit should be connected to a power source only of the voltage specified in the owners manual or as marked on the unit. This unit has a polarized plug. Do not use with an extension cord or receptacle unless the plug can be fully inserted. Precau-tions should b
13、e taken so that the grounding scheme on the unit is not defeated. An apparatus with CLASS I construction shall be connected to a Mains socket outlet with a protective earthing ground. Where the MAINS plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain re
14、adily operable.HazardsDo not place this product on an unstable cart, stand, tripod, bracket or table. The product may fall, causing serious personal injury and serious damage to the product. Use only with cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the product
15、. Follow the manufacturers instructions when installing the product and use mounting accessories recommended by the manufacturer. Only use attachments/accessories specified by the manufacturerNote: Prolonged use of headphones at a high volume may cause health damage on your ears. The apparatus shoul
16、d not be exposed to dripping or splashing water; no objects filled with liquids should be placed on the apparatus.Terminals marked with the “lightning bolt” are hazardous live; the external wiring connected to these terminals require installation by an instructed person or the use of ready made lead
17、s or cords.Ensure that proper ventilation is provided around the appliance. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.No naked flame sources, such as lighted candles, should be placed on the apparatus.P
18、ower CordDo not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug doe
19、s not fit into your outlet, consult an electrician for replacement of the obsolete outlet. The AC supply cord should be routed so that it is unlikely that it will be damaged. Protect the power cord from being walked on or pinched particularly at plugs. If the AC supply cord is damaged DO NOT OPERATE
20、 THE UNIT. To completely disconnect this apparatus from the AC Mains, disconnect the power supply cord plug from the AC receptacle. The mains plug of the power supply cord shall remain readily operable.Unplug this apparatus during lightning storms or when unused for long periods of time.ServiceThe u
21、nit should be serviced only by qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does
22、not operate normally, or has been dropped.AVIS: AFIN DE REDUIRE LES RISQUE DE CHOCELECTRIQUE, NENLEVEZ PAS LE COUVERT (OU LEPANNEAU ARRIERE) NE CONTIENT AUCUNE PIECEREPARABLE PAR LUTILISATEUR.CONSULTEZ UN TECHNICIEN QUALIFIEPOUR LENTRETIENTInstructions relatives au risque de feu,choc lectrique, ou b
23、lessures aux personnesVeuillez Lire le Manuel: Il contient des informations qui devraient tres comprises avant lopration de votre appareil. Conservez. Gardez S.V.P. ces instructions pour consultations ultrieures et observez tous les avertissements. Nettoyez seulement avec le tissu sec.Emballage: Con
24、servez la boite au cas ou lappareil devait tre retourner pour rparation.Avertissement: Pour rduire le risque de feu ou la dcharge lectrique, nexposez pas cet appareil la pluie ou lhumidit. Nutilisez pas cet appareil prs de leau!Attention: Lors de lutilisation de produits lectrique, assurez-vous dadh
25、rer des prcautions de bases incluant celle qui suivent:AlimentationLappareil ne doit tre branch qu une source dalimentation correspondant au voltage spcifi dans le manuel ou tel quindiqu sur lappareil. Cet appareil est quip dune prise dalimentation polarise. Ne pas utiliser cet appareil avec un cord
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