BO-Beocenter2_type28xx-sm维修电路原理图.pdf

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1、BeoCenter 2 AudioTypeMasterUnit2802TypeSocketUnit2839,2840,2841,2842,2843,2844,2845,2846,2847ServiceManualEnglishGerman, French, Italian, Spanish, Danish, Dutch and Japanese versions are available in the Retail SystemThis Service Manual must be returned with the defective parts/back-up suitcase !ABO

2、-CENTER v/HENRIKSENS ELEKTRONIKRadioFans.CN 收音机爱 好者资料库CONTENTSSurvey of modules . 1.1How to service . 1.2PIN-code . 1.4Warnings . 1.6Adjustments . 2.1Service menu . 3.1Service tips . 4.1Replacement of modules . 5.1Specification guidelines for service use . 6.1Overall blockdiagram . 7.1Wiring diagram

3、 . 7.3Available parts . 8.1ABO-CENTER v/HENRIKSENS ELEKTRONIKRadioFans.CN 收音机爱 好者资料库BeoCenter 2 Audio Master UnitPCB2TopInterfacePCB4IRreceivertwo(right)PCB5IRreceiverone(left)PCB9DisplayPCB77CDMainBoardAssyPCB95CDTraverseMechanismBeoCenter 2 Audio Socket UnitPCB1AVpanelDABPCB6PH8-4PCB37DABmodulePCB

4、50AnalogsoundenginePCB60SMPSPCB85TunerEU/US/JPN Surveyofmodules1.1594295776016503785ABO-CENTER v/HENRIKSENS ELEKTRONIKHow to serviceFront line serviceBoththeMasterandtheSocketUnithasbeendevelopedforsimplemoduleexchangetofollowtheon-siteservicestrategy.Moduleexchangeispossibleon-site,atthedealerorint

5、heserviceworkshopwhateverismostconvenientineachcase.Foron-siteserviceaback-upsuitcasemustbeused.Moduleexchangeistherecommendedwaytoperformservice,duetothefactthatmostofthemodulesaremultilayerbased,andmostofthecircuitsareonasinglemainPCB.Anelectricalfaultsymptomcanberemovedduringonevisittothecustomer

6、shomeifyoubringaBeoCenter2back-upsuitcasewithyou.Isitamechanicalsymptom,theparticularpartmustbebroughtwithyouseparately.TheSocketUnitandtheMasterUnitmustbeconnectedwhentesting,becausetheSocketUnitcontainsthepowersupply.Service documentationServicedocumentationforBeoCenter2AudiowillbeaServiceManualwi

7、thpartnos.fortheback-upsuitcase,electricalandmechanicalparts,usersguidesetc.1.2HowtoserviceABO-CENTER v/HENRIKSENS ELEKTRONIKConverting mains voltage supplyTheMasterUnithasonlyonevariantforallmarkets.TheSocketUnithasseparatetypenos.foreachmarket,duetocountryapprovals.Themainsvoltageisdeterminedbythe

8、typenos.oftheSocketUnit,thereareonlytwointernalmainsvoltagesettings(ajumper)ontheSMPS,100/120Vand230/240VAC.(X103,whenmounted=100/120V).FortunersetupusetheServiceToolforreprogramming.TheonlyvariantontheMasterUnit:2802ThevariantsontheSocketUnit:Type no. Mains Voltage Market2839230V/240VAustria,Azerba

9、ijan,Belgium,Bulgaria,Croatia,CzechRepub.,Denmark,Egypt,Estonia,FaroeIslands,Finland,France,Germany,Greece,Greenland,Holland,Hungary,Indonesia,Iceland,India,Israel,Italy,Kazakhstan,Latvia,Lebanon,Liechtenstein,Lithuania,Malaysia,Morocco,Norway,Oman,Pakistan,Poland,Portugal,Qatar,Romania,Russia,Saudi

10、Arabia,Serbia,Singapore,SlovakRep.,Slovenia,Spain,St.Martin,Sweden,Switzerland,Thailand,Turkey,Ukraine,Uzbekistan2840230VBahrain,Botswana,Dubai,Ghana,HongKong,Ireland,Kuwait,Nigeria,SouthAfrica,UK,UnitedArabEmirates2841120VBrazil,CaribbeanIslands,Canada,Mexico,Panama,USA2842100VJapan2843240VAustrali

11、a,NewZealand2844110VTaiwan2845110VKorea2846230VArgentina,Chile,Peru,Uruguay2847230VChinaHowtoservice1.3ABO-CENTER v/HENRIKSENS ELEKTRONIKPIN-codeTheproducthasa4digitPIN-code,oftheusersownchoice,whichmustbeenterediftheproducthasbeendisconnectedfromthemainsfor15-30min.IfthePIN-codeisactivated,andthepr

12、oducthasbeenwithoutmainsfor15-30min.,theuserwillbeaskedtoenterthe4digitPIN-codewhentheproductisswitchedon.BeforetheproductishandedintoserviceitisagoodideatoaskthecustomertodeactivatethePIN-code.ThePIN-codeisactivatedwhentheproductisshippedfromBang&Olufsen.Refertotheuserguideforfurtherinformation.PIN

13、-code active prior to serviceIfthePIN-codeisnotdeactivatedpriortoserviceyoumustusetheServicecodetounlocktheproduct.ServicecodeTheservicecode,-unlockstheproduct,butdoesnotaffectthepin-codesetting-givesyou12hoursservicetimeEnteringtheServicecode1.WhentheproductasksforPIN-CODEpressandholdlfor3seconds.2

14、.TheMastercodemenuappears.3.EntertheServicecode:11111.ImportantnoticeconcerningServicetimeTheservicetimeisactiveaslongastheproductisconnectedtothemains,includingStandby.Toobtainmaximumservicetime:Onlyconnecttheproducttothemainswhileyouareperformingactualserviceontheproduct.Whentheservicetimeisexpire

15、d,theproductcanonlybeunlockedbyenteringthePIN-codeortheMastercode.RegistrationofthemodulesThemoduleswillberegisteredtotheproductinthefollowingsituations:-theproducthasbeenconnectedtothemainsformorethan12hours,includingStandbytime.-thePIN-codeisactivatedordeactivated.PIN-code deactivated by customer

16、prior to serviceWiththePIN-codedeactivatedpriortoserviceyoumustbeawareofthemoduleswillberegisteredtotheproductinthefollowingsituations:-theproducthasbeenconnectedtothemainsformorethan12hours,includingStandbytime.-thePIN-codeisactivatedordeactivated.Theregistrationofmodulesintheproductcanonlybechange

17、datBang&Olufsen.1.4PIN-codeABO-CENTER v/HENRIKSENS ELEKTRONIKPIN-code1.5ActivatethePIN-codeSelecttheSETUPmenu.PressltwiceandthenSTOPtobringupthePINCODESETUPmenu.Enterthe4digitPin-code.Re-enterthecodetoconfirmitandpressGO.IfyouwanttochangeordeletethePIN-code,enterthecorrectPIN-codeandpressGO.Itisnowp

18、ossibletochangethePIN-codeordeletethePIN-code.EnterthePIN-codeIfthePIN-codeisactivatedandtheproductisdisconnectedfromthemainsformorethan15-30minutes,aPINCODEmenuappearsassoonastheproductisswitchedon.EnterthePIN-code,andtheproductstartsagain.IfthePIN-codehasbeenforgottenIfthePIN-codehasbeenforgottent

19、heonlywaytounlocktheproductagainisbyenteringa5digitMaster-code.TheMaster-codeisorderedbysendingarequestviatheRetailSystem.WhentheproductpromptsforaPIN-code,pressandholdldowntobringuptheMASTERCODEmenu.EntertheMaster-codeandpressGO.ThiswilldeactivatethePIN-codeandreactivatetheproduct.Product locked by

20、 PIN-codeTheproductislockedbyPIN-codewhen:-ThePIN-codeisactivatedandthemainsisdisconnectedformorethan15-30minutes.TheproductisunlockedwhenthePIN-codeisentered.ThePIN-codecounterissetto5attemptswithin3hours.WhenawrongPIN-codehasbeenentered5timeswithin3hours,theproductcannotreceiveanycommandsforaperio

21、dof3hours.AfterthisperiodthePIN-codecounterisreset.Theproductmustbeinstandbymodetoactivatethetimer.ABO-CENTER v/HENRIKSENS ELEKTRONIKWarningsESDWhenelectricalreplacementsordisassemblyistakingplace,useaESD-mat.Theinternalelectronicareverysensitivetostaticelectricity.WhenmainsvoltageontheBeoCenter2isr

22、equired,removetheconnectionfromtheBeoCenter2totheESDmat.Laser exposure TheBeoCenter2containsalasersystemandisclassifiedasaclass1laserproduct.TheBeoCenter2mustonlybeopenedbyqualifiedpersonalonly.General WarningsWearcottonglovestoavoidplacingfingerprintsontheproduct.Thealuminiumanddisplaysurfaceonthep

23、roductisverysensitive,sohandlingshouldbedonewithgreatcaretoavoiddamage.WhentransportingtheBeoCenter2itisrecommendedtousetheproductcover,partno.3375021.Theinterfacecableisverysensitivetosharpbendsandotherlargemechanicalinfluence.Alsobesurethattheplugsineachend,areconnectedcorrectly.CleaningCleantheBe

24、oCenter2surfacesusingalint-freeclothwhichyouhavewrungfirmlyinlukewarmwater.Never use alcohol or other solvents to clean any parts of the BeoCenter 2.LithiumbatteryWARNINGShort-circuitandoverchargingofsometypesoflithiumbatteriesmayresultinaviolentexplosion.STATIC ELECTRICITYMAY DESTROY THEPRODUCT1.6W

25、arningsABO-CENTER v/HENRIKSENS ELEKTRONIKAdjustmentsDigital Audio Broadcasting (DAB)The DAB module (type 2203) for the BeoCenter 2 Socket Unit will automatically adapt to the band and frequency table preprogrammed in the application software for the particular Socket Unit type number. If the band an

26、d frequency table setup from the factory do not correspond to the particular country where it is used, the PC-based ServiceTool program must be used.DAB aerialSelect a channel transmitting a DAB mutiplex signal. Position the aerial to maximum signal level.Keyboard: Press “LIST” p select “SETUP” n “R

27、ADIO” p “DAB AERIAL ADJUSTMENT” then press GO.Beo4 remote control: Press “MENU” p select “SETUP” n “RADIO” p “DAB AERIAL ADJUSTMENT” then press GO.Watch the indicator bar on the display while adjusting the DAB aerial. The white fields indicates minimal risk of signal drop-out.DAB DRCDynamic Range Co

28、ntrol “DRC” appears in the lower right-hand corner of the display if transmitted with the DAB program and DRC is not set to OFF. DRC in nominal NOM or MAX position reduces the signal level between the weakest and the strongest signal and thereby compensates for disturbance from the surroundings. See

29、 more information in the Users guide.Adjustments 2.ABO-CENTER v/HENRIKSENS ELEKTRONIK2.2ABO-CENTER v/HENRIKSENS ELEKTRONIKService MenuThere are two ways to enter the service menu, either by the keyboard or the Beo4 remote.Keyboard: With the BC2 turned on, press “list” - “Setup” then press n and with

30、in 3 sec. Press 0 0 GO.Beo4 remote: With the BC2 turned on, press “menu”- “Setup” then press n and within 3 sec. Press 0 0 GO.Note you have entered the service menu, and have the following options: Select wanted menu using general menu navigation rules. 1. SW Versions 2. Error ListSelect from the li

31、st NVMEM errors or VMEM errors.The NVMEM and the VMEM menu has the same layout, each menu will display the last 15 errors. 1 is NVMEM (non volatile memory) and 2 is VMEM (volatile memory). The errors in NVMEM are stored permanently, and can be used if BC2 has been disconnected from mains after an er

32、ror has occurred. The VMEM only stores errors that have occurred after BC2 has been connected to the mains.Service menu 3.1 . Service Menu 1 SW Versions 2 Error List 3 Product ID 4 Service Counters 5 Default Settings 6 Keyboard Test 7 Loader Lock 8 DVD Service 9 DAB service display 10 Max. Volume.SW

33、 Versions 1 AP 3.61a2 OS 16.20a3 AP Boot 1.10a4 IOP 22.00a5 FM Tuner 1.00a6 DAB Tuner 1.9-47 Master Unit 3.20a .Error List 1 NVMEM 2 VMEMABO-CENTER v/HENRIKSENS ELEKTRONIK 1 4F 00000002 10/11/02-09:35:21Date and time parameter will scroll according to general rules for the error, the cursor points t

34、o.By pressing n a more detailed view of the corresponding error is shown.Pressing l returns to Error List.The Error Layout1 4F 00000002 10/11/02 09:35:21Err_no, error_code, error_parm, Date, Time1-15 dec 0-FF 0-FFFFFFFF dd/mm/yy hh:mm:ss2digit dec 2digit HEX code 8digit HEX codeerror_parm are divide

35、d into 4 sections digit 1 and 2 XX- error_typedigit 3 and 4 -XX- error_param1digit 5 and 6 -XX- error_param2digit 7 and 8 -XX error_param3EP1 = error_parm1EP2 = error_parm2EP3 = error_parm3Error_codes are written in bold and error_type in underline3.2 Service menu.NVMEM 1 4F 00000002 10/11/02 2 08 1

36、6000000 9/11/02 3 4F 00000002 8/11/02 4 08 16000000 7/11/02 5 4F 00000002 7/11/02 6 08 16000000 6/11/02 7 4F 00000002 5/11/02 8 08 16000000 5/11/02 9 4F 00000002 4/11/0210 . . -/-/-11 . . -/-/-12 . . -/-/-13 . . -/-/-14 . . -/-/-15 . . -/-/- Complete Error Line .4F 00000002 Date 10/11/02-09:35:21 WA

37、TCHDOG RESETABO-CENTER v/HENRIKSENS ELEKTRONIKService menu 3.3Error_codeError _typeError_parm 1-3DescriptionCause (check/replace)00NO APOS ERRORNo error08APOS IOP ERRORP H8 Module10ILLEGAL TIMER IDSW bug, check for AP SW update11TIMER NOT FREESW bug, check for AP SW update15ILLEGAL DATE VALUESW bug,

38、 check for AP SW update16ILLEGAL TIME VALUESW bug, check for AP SW update17ILLEGAL TIMER PARAMETERSSW bug, check for AP SW update20ILLEGAL SIMPLE MESSAGE IDSW bug, check for AP SW update21OUT OF MESSAGE BUFFERSSW bug, check for AP SW update22MESSAGE BUFFER VIRTUAL LIMIT REACHEDSW bug, check for AP S

39、W update25ILLEGAL REPOSITORY TYPESW bug, check for AP SW update26OUT OF REPOSITORIESSW bug, check for AP SW update27REPOSITORY VIRTUAL LIMIT REACHEDSW bug, check for AP SW update28NULL POINTER DELETESW bug, check for AP SW update29ILLEGAL REPOSITORY ADDRSW bug, check for AP SW update2AREPOSITORY IS

40、ALREADY FREESW bug, check for AP SW update40NON ISR FUNC CALLED FROM ISRSW bug, check for AP SW update41PHYSICAL STACK LIMIT REACHEDSW bug, check for AP SW update42STACK VIRTUAL LIMIT REACHEDSW bug, check for AP SW update43OUT OF IAS OBJETSSW bug, check for AP SW update44IAS SIGNAL LOSTSW bug, check

41、 for AP SW update45OVERFLOW IN IAS FIFOSW bug, check for AP SW update47LSL QUEUE NOT ATTACHEDSW bug, check for AP SW update48SCAN QUEUE NOT ATTACHEDSW bug, check for AP SW update4AUART 0 QUEUE OT ATTACHEDSW bug, check for AP SW update4BTIIC QUEUE NOT ATTACHEDSW bug, check for AP SW update4CRIIC QUEU

42、E NOT ATTACHEDSW bug, check for AP SW update4DOUT OF POWER DOWN CALLBACK OBJSW bug, check for AP SW update4EPOWER DOWN ENTERED WITH TIMER RUNNINGSW bug, check for AP SW update4FWATCHDOG RESETCheck for others errors in NVMEM80BAS ERROR00NO BAS ERRORNo error01IIC BUS ERRAlways IO_ERROR not in BC202Eep

43、rm addrEE WR ERRAlways IO_ERROR not in BC203Eeprm addrEE RD ERRAlways IO_ERROR not in BC204Eeprm addrEE RD FF ERRAlways IO_ERROR not in BC20BEeprm addrEEPROM WRITE OVERFLOWAlways IO_ERROR not in BC20CEeprm addrEEPROM CONTROL INIT FAILAlways IO_ERROR not in BC20DEeprm addrEEPROM CONTROL CALLOC FAILAl

44、ways IO_ERROR not in BC2A0IO ERROR00NO APOS IO ERROR01IIC1 2 ERROREP 1= 00NO IIC1 2 ERRORUse EP2EP 1 = 01IIC1 2 ACKNOWLEDGE MISSINGUse EP2EP 1 = 02IIC1 2 ARBITRATION LOSTUse EP2EP 1 = 03IIC1 2 BUS BUSYUse EP2EP 1 = 04IIC1 2 TIMEOUTUse EP2EP 1 = 05IIC1 2 SLAVE TRANS BUF DIFFUse EP2EP 1 = 06IIC1 2 SLA

45、VE NOT ADDRESSEDUse EP2The Error LISTIs a list of all the possible errors in BC2, its divided into, error_code with the sub parameter error_type, error_type which has 3 sub parameter error_param1, error_param2 and error_param3.When ever a error that can be related to HW, SW or MEK, the cause is desc

46、ribed, sometimes there can be more than one cause for the corresponding error, all the possible causes are listed with the most likely listed first.ABO-CENTER v/HENRIKSENS ELEKTRONIK3.4 Service menuEP 1 = 07IIC1 2 SLAVE TRANS BUF ERRUse EP2EP 1 = 08 IIC1 2 ICB ERRORUse EP2EP 2 = D0 CLOCK IIC ADDR(IC

47、162) Av PanelEP 2 = 88A ENG IIC ADDR(IC300) Analog Sound EngineEP 2 = 22ST RDS IIC ADDR(IC402) AM/FM TunerEP 2 = C6ST TUNER IIC ADDR(IC200) AM/FM TunerEP 2 = C4 ST PLL IIC ADDR(IC200) AM/FM TunerEP 2 = 8CST STEREO DECODER IIC ADDR(IC300) AM/FM TunerEP 2 = 7EST LPC IIC ADDR(IC401) AM/FM TunerEP 2 = A

48、0ST EEPROM ADDR(IC203) AM/FM TunerEP 2 = EADAB TUNER ADDRDAB TunerEP 3 = 00IIC1 BUS IDIIC bus no. for e.g. measurementsEP 3 = 01IIC2 BUS IDIIC bus no. for e.g. measurements02Eeprm addrEEPROM WRITE ERRORDefault settings or replace EEPROM03Eeprm addrEEPROM READ ERRORDefault settings or replace EEPROM0

49、4Eeprm addrEEPROM READ ERROR ONLY FFDefault settings or replace EEPROM0BEeprm addrEE WRITE OVERFLOWDefault settings or replace EEPROM0CEeprm addrEE CONTROL INIT FAILDefault settings or replace EEPROM0DEeprm addrEE CONTROL CALLOC FAILDefault settings or replace EEPROM20MLSL STATUS ERROREP 1 = 20CONFI

50、G IMPOSSML installation, Analog Sound Engine, or Av PanelEP 1 = 10LINK TIED UPML installation, Analog Sound Engine, or Av PanelEP 1 = 08LINK TIED DOWNML installation, Analog Sound Engine, or Av PanelEP 1 = 04LINK OKNo errorEP 1 = 02ML CURRENT MASTERNo errorEP 1 = 22CONFIG IMPOSS CURRENT MASTERML ins