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  5. Service Manual

Bang & Olufsen BeoCenter 2 Service Manual

Other manuals for BeoCenter 2: User Manual, Manual, Repair Manual
Manual is about: Bang & Olufsen BeoCenter 2 Music Systems: User Guide

Summary of BeoCenter 2

  • Page 1

    Beocenter 2 audio typemasterunit2802 typesocketunit2839,2840,2841,2842,2843,2844,2845, 2846,2847 servicemanual english german, french, italian, spanish, danish, dutch and japanese versions are available in the retail system this service manual must be returned with the defective parts/back-up suitca...

  • Page 2

    Contents survey of modules ........................................................................................ 1.1 how to service .............................................................................................. 1.2 pin-code ............................................................

  • Page 3

    Beocenter 2 audio – master unit pcb2 topinterface pcb4 irreceivertwo(right) pcb5 irreceiverone(left) pcb9 display pcb77 cdmainboardassy pcb95 cdtraversemechanism beocenter 2 audio – socket unit pcb1 avpaneldab pcb6 µph8-4 pcb37 dabmodule pcb50 analogsoundengine pcb60 smps pcb85 tunereu/us/jpn survey...

  • Page 4

    How to service front line service boththemasterandthesocketunithasbeendevelopedforsimplemodule exchangetofollowtheon-siteservicestrategy.Moduleexchangeispossibleon-site, atthedealerorintheserviceworkshopwhateverismostconvenientineachcase. Foron-siteserviceaback-upsuitcasemustbeused. Moduleexchangeis...

  • Page 5

    Converting mains voltage supply themasterunithasonlyonevariantforallmarkets. Thesocketunithasseparatetypenos.Foreachmarket,duetocountryapprovals. Themainsvoltageisdeterminedbythetypenos.Ofthesocketunit,thereare onlytwointernalmainsvoltagesettings(ajumper)onthesmps,100/120vand 230/240vac.(x103,whenmo...

  • Page 6

    Pin-code theproducthasa4digitpin-code,oftheuser´sownchoice,whichmustbeentered iftheproducthasbeendisconnectedfromthemainsfor15-30min. Ifthepin-codeisactivated,andtheproducthasbeenwithoutmainsfor15-30min., theuserwillbeaskedtoenterthe4digitpin-codewhentheproductisswitchedon. Beforetheproductishandedi...

  • Page 7

    Pin-code1.5 activatethepin-code selectthesetupmenu. Press l twiceandthen stoptobringupthepincodesetupmenu. Enterthe4digitpin-code.Re-enterthecodetoconfirmitandpress go. Ifyouwanttochangeordeletethepin-code,enterthecorrectpin-codeandpress go. Itisnowpossibletochangethepin-codeordeletethepin-code. Ent...

  • Page 8

    Warnings esd whenelectricalreplacementsordisassemblyistakingplace,useaesd-mat.The internalelectronicareverysensitivetostaticelectricity. Whenmainsvoltageonthebeocenter2isrequired,removetheconnectionfrom thebeocenter2totheesdmat. Laser exposure thebeocenter2containsalasersystemandisclassifiedasaclass...

  • Page 9

    Adjustments digital 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 and frequency table setup from the factor...

  • Page 10

    2.2 abo-center v/henriksens elektronik.

  • Page 11

    Service menu there 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 within 3 sec. Press 0 0 go. Beo4 remote: with the bc2 turned on, press “menu”-> “setup” then press n and within 3 sec. Pres...

  • Page 12

    1 4f 00000002 10/11/02-09:35:21 date and time parameter will scroll according to general rules for the error, the cursor points to. By pressing n a more detailed view of the corresponding error is shown. Pressing l returns to error list. The error layout 1 4f 00000002 10/11/02 09:35:21 err_no, error...

  • Page 13

    Service menu 3.3 error_ code error _type error_parm 1-3 description cause (check/replace) 00 no apos error no error 08 apos iop error µp h8 module 10 illegal timer id sw bug, check for ap sw update 11 timer not free sw bug, check for ap sw update 15 illegal date value sw bug, check for ap sw update ...

  • Page 14

    3.4 service menu ep 1 = 07 iic1 2 slave trans buf err use ep2 ep 1 = 08 iic1 2 icb error use ep2 ep 2 = d0 clock iic addr (ic162) av panel ep 2 = 88 a eng iic addr (ic300) analog sound engine ep 2 = 22 st rds iic addr (ic402) am/fm tuner ep 2 = c6 st tuner iic addr (ic200) am/fm tuner ep 2 = c4 st p...

  • Page 15

    Service menu 3.5 32 icb l7 resource still running µp h8 module 33 icb l7 resource allready free µp h8 module 34 icb l7 illegal iop service µp h8 module 35 icb l7 illegal iop object µp h8 module 36 icb l7 telegram flushed µp h8 module 37 icb l7 resource disabled µp h8 module 38 icb l7 hw clock illega...

  • Page 16

    3.6 service menu 49 ati no tx allowed ep 1 = 00 av panel or connection between socket unit and test equipment ep 1 = 01 av panel, top interface, or interface cable (connection or cable) 4a ati tlg was break synched ep 1 = 00 av panel or connection between socket unit and test equipment ep 1 = 01 av ...

  • Page 17

    Service menu 3.7 ep 1+2 = 0005 rmp pause release use ep3 ep 3 = 0a rmp pause release timeout no error ep 1+2 = 0006 rmp wind use ep3 ep 3 = 0b rmp wind timeout no error ep 1+2 = 0007 rmp rewind use ep3 ep 3 = 0c rmp rewind timeout no error ep 1+2 = 0008 rmp reset all use ep3 ep 3 = 0d rmp reset time...

  • Page 18

    3.8 service menu when leaving the nvmem error list menu user is prompted to clear the list. Ep 1 = 00 brc not completed check connection between socket/ master unit, av panel, top interface, interface cable ep 1 = 01 denied brc request check connection between socket/ master unit, av panel, top inte...

  • Page 19

    Service menu 3.9 5. Default settings 6. Keyboard test valid key names are ...Default settings set default settings? Yes no ^------ ...Keyboard test key: cntl_step_up_key data: 0 ciffer_0_key ciffer_1_key ciffer_2_key ciffer_3_key ciffer_4_key ciffer_5_key ciffer_6_key ciffer_7_key ciffer_8_key ciffe...

  • Page 20

    3.10 service menu 8. Dab service display dr rock 227. 360 vb003 chn 12c sq002 160 kb/s - program name - frequency - “vb” viterbi error rate (0 to 128). Performs error-correction of the received noise desturbed signal - “sq” signal quality 0 - 15: good reception 16 - 30: borderline reception 31 - 80:...

  • Page 21

    Service tips doing fault searching and measurements, there is some special features you should be aware of. 1. In order to power up, the master unit and socket unit needs to be connected thrugh the interface cable, due to the fact that the main smps is placed in the socket unit, along with the rgb v...

  • Page 22

    4.2 abo-center v/henriksens elektronik.

  • Page 23

    Replacement of modules 5. Replacement of modules modules that can be replaced master unit replace keyboard left ................................................ 5.4 replace keyboard right .............................................. 5.5 replace display ................................................

  • Page 24

    5.2 pcb6 µph8-4 module testing a pcb6 (µph8-4) flash version module it is possible to use a µph8-4 module from a similar type of product for test purpose, but the serial no. And other important adjusting settings will not match the product correctly. Therefore it is important to replace the original...

  • Page 25

    Beocenter 2 master unit in service position 5. ➢ 2 - loosen excentric locks ➢ 1 - remove cable ➢ - lift off keyboards socket unit 180 º 3mm 3mm 180 º 3mm - place keyboards as shown - with cables attached ! Open cableholders abo-center v/henriksens elektronik.

  • Page 26

    5. Replace keyboard left ➢ 2 - loosen excentric lock ➢ 1 - remove cable ➢ - lift off keyboard ➢ - remove cable on backside of keyboard socket unit 180 º 3mm cable lock!! 3mm abo-center v/henriksens elektronik.

  • Page 27

    Replace keyboard right 5.5 ➢ 2 - loosen excentric lock ➢ 1 - remove cable ➢ - lift off keyboard ➢ - remove cable on backside of keyboard socket unit 180 º 3mm cable lock!! 3mm abo-center v/henriksens elektronik.

  • Page 28

    5. Replace display x tx10 - remove cables connecting the display + 5. Beocenter 2 in service position - remove screws 2x cable lock!! - disassembly of display! - remove screws 8x tx7 abo-center v/henriksens elektronik.

  • Page 29

    Replace clamper 5. X tx8 + 5. Beocenter 2 in service position + 5. Remove display - remove screws - remove cables 2x 1mm - remounting clamper! - place a cd in clamper and allign as shown - fasten screws when clamper is correctly alligned x tx8 abo-center v/henriksens elektronik.

  • Page 30

    5.8 replace clamper cover - lift and pull off clamper cover + 5. Beocenter 2 in service position + 5. Remove display + 5. Remove clamper - remove screws x tx8 abo-center v/henriksens elektronik.

  • Page 31

    Replace gearbox 5. - remove plug + 5. Beocenter 2 in service position + 5. Remove display + 5. Remove clamper + 5.8 remove clamper cover - remove screws x tx10 - lift off gearbox cable lock!! Abo-center v/henriksens elektronik.

  • Page 32

    5.10 replace cd pcb + 5. Beocenter 2 in service position + 5. Remove display - remove screws as shown cable lock!! - lift off gearbox including clamper - remove cables x tx10 2x tx8 ! ! X - remove plugs p02 p10 p0 abo-center v/henriksens elektronik.

  • Page 33

    Replace cd pcb 5.11 p01 - remove plugs - remove screw 1x tx p102 p101 p10 p51 located on backside abo-center v/henriksens elektronik.

  • Page 34

    5.12 replace cd unit + 5. Beocenter 2 in service position + 5. Remove display - remove screws as shown cable lock!! - lift off gearbox including clamper - remove cables x tx10 2x tx8 ! ! X - remove plugs p02 p10 p0 abo-center v/henriksens elektronik.

  • Page 35

    Replace cd unit 5.1 special tool for bezel no. 21 2p1 - carefully remove cd unit - remove cable p102 2p0 - remove plugs - remove screw 1x tx abo-center v/henriksens elektronik.

  • Page 36

    5.1 replace pcb2, top interface - remove cables - lift off pcb2 + 5. Beocenter 2 in service position + 5. Remove display + 5.10 remove cd pcb + 5.12 remove cd unit - remove screws 11x tx8 2p2 2p cable lock!! Abo-center v/henriksens elektronik.

  • Page 37

    Replace clamper drive belt 5.15 - remove split - loosen spring lock - remove screws - dismantle gear + 5. Beocenter 2 in service position + 5. Remove display + 5. Remove clamper - remove screws x tx8 ➀ ➁ ➀ ➁ abo-center v/henriksens elektronik.

  • Page 38

    5.1 replace clamper motor + 5. Beocenter 2 in service position + 5. Remove display + 5. Remove clamper + 5.15 remove drive belt - remove motor by cutting off dampers x abo-center v/henriksens elektronik.

  • Page 39

    Replace gearbox drive belt 5.1 - when remounting, holes must be alligned - disassemble as shown x tx8 drive belt + 5. Beocenter 2 in service position + 5. Remove display - remove screws abo-center v/henriksens elektronik.

  • Page 40

    5.18 replace gearbox motor x tx8 - disassemble as shown remove cable for motor x tx8 + 5. Beocenter 2 in service position + 5. Remove display - remove screws - remove gearwheel - remove screws and pull off motor x tx8 abo-center v/henriksens elektronik.

  • Page 41

    Servicetest position 5.1 + 5. Beocenter 2 in service position - placement of magnetic tester abo-center v/henriksens elektronik.

  • Page 42

    5.20 socket unit service position - pull off cover as shown - remove screws 2x aux in r r l l aux out l dig.Out master unit tx10 abo-center v/henriksens elektronik.

  • Page 43

    Replace pcb50, analog sound engine 5.21 - remove screws + 5.20 socket unit in service position - placement of pcb50 - remove cables at pcb10 x 50p 50p 50p5 - remove cables at pcb50 x tx10 2x 10p22 10p2 pcb50 abo-center v/henriksens elektronik.

  • Page 44

    5.22 replace pcb85, tuner module - remove screws + 5.20 socket unit in service position - placement of pcb85 - tilt pcb85 as shown - remove cables on backside of pcb85 pcb85 x tx10 x 85p100 85p102 85p10 85p10 gnd abo-center v/henriksens elektronik.

  • Page 45

    Replace pcb0, switch mode power supply 5.2 + 5.20 socket unit in service position - placement of pcb0 - remove cables 2x 0j 0j - remove screws x tx15 pcb0 abo-center v/henriksens elektronik.

  • Page 46

    5.2 replace pcb, microprocessor - pull up pcb + 5.20 socket unit in service position + 5.21 remove pcb50, analog sound engine - placement of pcb - remove cables from pcb pcb 2x p1 p2 abo-center v/henriksens elektronik.

  • Page 47

    Replace pcb10, socket panel 5.25 pcb10 2x x tx15 2x tx10 - remove screws on socket panel front + 5.20 socket unit in service position + 5.21 remove pcb50, analog sound engine + 5.22 remove pcb85, tuner module + 5.2 remove pcb0, switch mode power supply + 5.2 remove pcb, microprocessor + 5.2 remove p...

  • Page 48

    5.2 replace pcb, dab module + 5.20 socket unit in service position + 5.22 remove pcb85, tuner module - remove cables - remove screws holding pcb x tx10 10p2 10p01 abo-center v/henriksens elektronik.

  • Page 49

    Specification guidelines for service use 6. Specification guidelines for service use beocenter 2 audio type no. And markets see page .3 master unit dimensions w x h x d 372 x 50 x 243 mm weight 4.5 kg cabinet finish steel cd disc sizes 20 mm and 80 mm (in adaptor) ir remote control beo4 close-up ope...

  • Page 50

    6.2 specification guidelines for service use master link pin data- -0.4v ±0.V pin 2 data+ +0.4v ±0.V pin 3 ml sense pin 4-8 n.C. Pin 9 ati transmit pin 0 ati receive pin -supply voltage -7v to -5v (in st by -3v to -5v) pin 2 +supply voltage +7v to +5v (in st by +3v to +5v) pin 3 audio -l v bal, rin ...

  • Page 51

    7.1 overall block diagram overall block diagram 7.1 7.1 abo-center v/henriksens elektronik.

  • Page 52

    7.2 7.2 7.2 abo-center v/henriksens elektronik.

  • Page 53

    7.3 wiring diagram wiring diagram 7.3 7.3 wiring diagram p1 p2 > > p3 smps 60 w24 6277716 w23 6277715 > > p28 p27 cn1 6200357 w21 w22 6200357 p1 > > > > > > > > > > > > > > > > > p2 > > > > > > > > p25 > > > > > > > > > > > > > > > > > p26 > > > > > > > > socket sk201 > 2/2pins 6277870 w30 p102 6270...

  • Page 54

    8.1 available parts available parts 8.1 8.1 available parts beocenter 2 audio 9001 9002 w27 w15 w8 9003 9004 9005 9007 9006 9008 5 9 4 1 1 1 1 1 2 2 2 2 2 incl. Pos. Nos. 9005, 9007 3 3 3 3 3 3 see page 8.3 and 8.4 3 3 3 3 2 7 7 9009 9010 4 5 4 4 5 abo-center v/henriksens elektronik.

  • Page 55

    Available parts 8.2 beocenter 2 audio 9001 3322000 display 9002 3375420 light guide 9003 2776794 keyboard left + right 9004 3320966 clamper, complete 2732147 belt 8400005 motor 3164006 clamper/cover 3917006 foam f/clamper 9005 3356077 magnet 9006 3162044 cover incl. Pos. Nos. 9005, 9007 9007 3907074...

  • Page 56

    8.3 available parts 9020 9021 9022 9023 w12 9028 9029 9027 9027 w11 9026 9029 incl. Pos. Nos. 9022, 9025, 9028 2 2 2 2 2 2 2 2 2 9 9 95 2 incl. Pos. Nos. 9020, 9021 x 4 pcs. 1 77 9025 incl. Pos. No. 9025 bottom abo-center v/henriksens elektronik.

  • Page 57

    Available parts 8.4 bottom 9020 3320157 cover f/cd 9021 2938033 rubber bushing 9022 3947022 tape f/bottom 9023 3169013 cover f/socket 9025 2622554 thermal conductive rubber 9026 3114114 bottom incl. Pos. Nos. 9022, 9025, 9028 9027 3103013 aluminium foot 9028 3103000 rubber foot, small 9029 3103001 r...

  • Page 58

    8.5 available parts socket unit 9040 9041 9042 9043 9044 9045 9046 9047 p14 p12 6 60 85 10 10 10 11 11 11 11 incl. Pos. No. 9043 12 12 10 12 12 10 1 50 11 11 11 11 11 11 11 9048 10 10 10 37 w29 w30 incl. Pcb1, pcb6, pcb50 abo-center v/henriksens elektronik.

  • Page 59

    Available parts 8.6 socket unit 9040 3114045 top f/socket unit 9041 8052275 socket chassis (pcb1, pcb6, pcb50) 9042 3114048 bottom incl. Pos. Nos. 9043 9043 3170085 insulation piece 9044 3950025 cover f/sockets 9045 6100245 mains cable, eu 6100328 mains cable, gb 6100306 mains cable, us 6100247 main...

  • Page 60

    8.7 available parts packing beocenter 2 3396212 set of foam 3917224 foam foil 3392793 outer carton socket unit 3396217 set of foam 3917224 foam foil 3392795 outer carton wire bundles see wiring diagram page 7.3. The part no. Is printed on the diagram above the wire bundle, as shown. Connection cable...

  • Page 61

    Available parts 8.8 floor stand 2170 9501 9502 9503 9504 2 2 2 2 3 3 3 3 1 1 1 1 1 1 incl. Pos. No. 2 9501 3459446 top plate incl. Pos. No. 7 9502 2950033 tube 9503 3459002 cover 9504 2752023 bottom incl. Pos. No. 2 1 3390667 bag w/3 x 2 screws, 2 x hexagon spanners, 6 x spikes pos. No. 3, 2 x space...

  • Page 62

    8.9 available parts stand/wall bracket 2171 9510 9511 9512 9513 9514 9515 incl. Pos. No. 5 5 5 5 6 4 4 9510 3459448 top plate 9511 3034400 cable holder 9512 2950034 tube 9513 3459447 cover 9514 2752029 bottom incl. Pos. No. 5 9515 3459449 wall plate 4 3390626 bag w/2 x screws, 2 x hexagon spanners 5...

  • Page 63

    Abo-center v/henriksens elektronik.

  • Page 64

    Bang&olufsen dk-7600struer denmark phone+4596841122* fax+4597853911 353806204-07 abo-center v/henriksens elektronik.