Bang & Olufsen BeoCenter 2 MK II Service Manual Download Page 1

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BeoCenter 2 MK II

Type 2802, 2825, 2526, 2827, 2828, 2829, 2830, 2831,

2832, 2833, 2834, 2835, 2836, 2837, 2838

From serial no. 19368112

Service Manual
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 suitcase !

Summary of Contents for BeoCenter 2 MK II

Page 1: ...1 2832 2833 2834 2835 2836 2837 2838 From serial no 19368112 Service Manual 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 suitcase ...

Page 2: ... How to service 1 2 PIN code 1 3 Warnings 1 5 Adjustments 2 1 Service menu 3 1 Service tips 4 1 Replacement of modules 5 1 Specification guidelines for service use 6 1 Overall blockdiagram 7 1 Wiring diagram 7 3 Available parts 8 1 ...

Page 3: ...PCB5 IR receiver one left PCB7 Keyboard left right PCB8 Keyboard left right PCB9 Display PCB77 DVD Main Board Assy PCB95 DVD Traverse Mechanism BeoCenter 2 Socket Unit PCB6 µP H8 4 PCB10 AV panel DAB PCB37 DAB module PCB50 Analog sound engine PCB60 SMPS PCB85 Tuner EU US JPN Survey of modules 1 ...

Page 4: ...f the modules are multi layer based and most of the circuits are on a single main PCB An electrical fault symptom can be removed during one visit to the customers home if you bring a BeoCenter 2 back up suitcase with you Is it a mechanical symptom the particular part must be brought with you separately The Socket Unit and the Master Unit must be connected when testing because the Socket Unit conta...

Page 5: ...ry Israel Italy Lebanon Norway Oman Poland Portugal Qatar Saudi Arabia Slovak Rep Slovenia Spain Sweden Switzerland Turkey 2826 EU3 DVD region 3 240V Indonesia Malaysia Singapore Thailand 2827 EU4 DVD region 4 230V Argentina Chile Peru Uruguay 2828 EU5 DVD region 5 230V Morocco Russia 2829 GB2 DVD region 2 230V Bahrain Kuwait South Africa UK United Arab Emirates 2830 GB3 DVD region 3 230V Hong Kon...

Page 6: ...for 3 seconds 2 The Master code menu appears 3 Enter the Service code 1 1 1 1 1 Important notice concerning Service time The service time is active as long as the product is connected to the mains including Standby To obtain maximum service time Only connect the product to the mains while you are performing actual service on the product When the service time is expired the product can only be unlo...

Page 7: ...gotten the only way to unlock the product again is by entering a 5 digit Master code The Master code is ordered by sending a request via the Retail System When the product prompts for a PIN code press and hold l down to bring up the MASTERCODE menu Enter the Master code and press GO This will deactivate the PIN code and reactivate the product Product locked by PIN code The product is locked by PIN...

Page 8: ...oves to avoid any fingerprints on the product The aluminium and display surface on the product is very sensitive so handling should be done with great care to avoid damage When transporting the BeoCenter 2 it is recommended to use the product cover part no 3375021 The interface cable is very sensitive to sharp bends and other large mechanical influence Also be sure that the plugs in each end are c...

Page 9: ...aximum signal level Keyboard Press LIST p select SETUP n RADIO 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 DRC Dynamic Range Control DRC appears in the lower right hand corner of th...

Page 10: ...2 ...

Page 11: ...MEM 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 error has occurred The VMEM only stores errors that have occurred after BC2 has been connected to the mains Service menu 3 Service...

Page 12: ...de 8digit HEX code error_parm are divided into 4 sections digit 1 and 2 XX error_type digit 3 and 4 XX error_param1 digit 5 and 6 XX error_param2 digit 7 and 8 XX error_param3 EP1 error_parm1 EP2 error_parm2 EP3 error_parm3 Error_codes are written in bold and error_type in underline 3 Service menu NVMEM 1 4F 00000002 10 11 02 2 08 16000000 9 11 02 3 4F 00000002 8 11 02 4 08 16000000 7 11 02 5 4F 0...

Page 13: ...ED SW bug check for AP SW update 4A UART 0 QUEUE OT ATTACHED SW bug check for AP SW update 4B TIIC QUEUE NOT ATTACHED SW bug check for AP SW update 4C RIIC QUEUE NOT ATTACHED SW bug check for AP SW update 4D OUT OF POWER DOWN CALLBACK OBJ SW bug check for AP SW update 4E POWER DOWN ENTERED WITH TIMER RUNNING SW bug check for AP SW update 4F WATCHDOG RESET Check for others errors in NVMEM 80 BAS ER...

Page 14: ... 1 08 LINK TIED DOWN ML installation Analog Sound Engine or Av Panel EP 1 04 LINK OK No error EP 1 02 ML CURRENT MASTER No error EP 1 22 CONFIG IMPOSS CURRENT MASTER ML installation Analog Sound Engine or Av Panel EP 1 12 LINK TIED UP CURRENT MASTER ML installation Analog Sound Engine or Av Panel EP 1 0A LINK TIED DOWN CURRENT MASTER ML installation Analog Sound Engine or Av Panel EP 1 06 LINK OK ...

Page 15: ...or interface cable connection or cable 42 ATI NACK BAD SEQ 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 43 ATI NACK OVERRUN 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 44 ATI UNKNOWN PROTOCOL EP 1 00 Av Panel ...

Page 16: ...uner EP 1 04 PLL COMPONENT IC200 AM FM Tuner EP 1 05 STEREO DECODER COMPONENT IC300 AM FM Tuner EP 1 06 LPC COMPONENT IC401 AM FM Tuner EP 1 07 ST EEPROM COMPONENT IC203 AM FM Tuner EP 1 08 DAB COMPONENT DAB Tuner EP 2 00 NO ST ERROR Use EP1 EP 2 01 ST WRITE ERROR Use EP1 EP 2 02 ST READ ERROR Use EP1 EP 2 03 ST CHKSUM ERROR Use EP1 EP 2 04 ST READ ERROR ONLY FF Use EP1 EP 2 05 ST BLOCK LIMIT Use ...

Page 17: ...heck for Master Unit SW update EP 1 2 0105 RMP START DRIVER Use EP3 EP 3 22 RMP START DRIVER TIMEOUT DVDM EP 3 00 RMP NO RMP ERROR No error EP 3 17 RMP COMMUNICATION ERROR SW bug check for Master Unit AP SW update EP 3 1E RMP DOORS NOT CLOSED Check door and loader mechanics SW bug check for Master Unit SW update EP 3 20 RMP DRIVER NOT STARTED SW bug check for Master Unit AP SW update EP 3 21 RMP B...

Page 18: ...pdate NVMEM Clear Error List Clear Keep Select Clear to permanently delete the list or Keep to not delete the list 3 Product ID Product ID 1 Item No xxxxxxx 2 Type No YYYY 3 Serial No zzzzzzzz 4 PIN OK If Error in Master PIN code PIN Err else PIN OK 4 Service Counters Service Counters 1 Time Standby 1100 2 Time Radio 10 3 Time CD 5 4 Time DVD 23 5 Time AUX 0 6 Time active ML 2 7 Time TP Enabled 3 ...

Page 19: ...or a VOLUME_KEY REWIND_KEY GO_KEY CNTL_WIND_KEY CNTL_REWIND_KEY CNTL_STEP_UP_KEY CNTL_STEP_DW_KEY DISC_KEY RADIO_KEY MENU_KEY LOAD_KEY STANDBY_KEY EXIT_KEY VOLUME_KEY Keyboard Test Key VOLUME_KEY Data 4 The Data indicate the NOF steps the volume would be regulated during normal operation To leave the Keyboard Test press T Beo4 7 Loader Lock This menu can lock Unlock the Loader When the Loader is L...

Page 20: ...lue it gives you an instant quality description of the disc while it plays 12 Version of the AV 1 chip version of firmware The version of the chip and of the software can be read out here 13 Version of the FL controller 14 Region setting of the player 1 to 6 You are able to see what Region code the Master Unit is locked too useful when you have changed the socket unit or are reprogramming the Mast...

Page 21: ...ption The bit rate in kilobit second indicates the audio compressing level of the particular program A low resolution 32 to 112 KB S indicates a high audio compressing level meaning poor audio quality most used for e g news programs A high resolution 128 to 384 KB S indicates a low audio compressing level meaning high audio quality most used for e g music programs 32 KB S 128 KB S 48 KB S 160 KB S...

Page 22: ...3 12 ...

Page 23: ... the BeoCenter 2 from the mains place the magnet and then connect the BeoCenter 2 to the mains again After start up the magnet can be removed and the hall sensor will still detect the keyboards as closed which give full functionality with the keyboards open detached until load is pressed See page 5 19 5 If measurements need to be done on the outlet plugs on the Socket Panel remember to use the GND...

Page 24: ...4 ...

Page 25: ... Replace PCB85 Tuner module 5 22 Replace PCB60 Switch mode power supply 5 23 Replace PCB6 Microprocessor 5 24 Replace PCB10 Socket panel 5 25 Replace PCB37 DAB module 5 26 Adjusting the Keyboards After replacing parts in the Master unit it may be nessasary to adjust the Keyboards There are two adjustments 1 Distance between Keyboards and Display 2 Distance between Keyboards and bottom To adjust th...

Page 26: ...d to Bang Olufsen to be erased again Note Always disable the PIN code from the product before reading out data from µPH8 4 module or programming a new service µPH8 4 module This because the PIN code system may activate during the flash process Not possible to read out product data or software version from the Main microcomputer PCB6 µPH8 4 Flash version Check the 5V supply and the signal path for ...

Page 27: ...eoCenter 2 Master Unit in service position 5 2 Loosen excentric locks 1 Remove cable 3 Lift off Keyboards Socket Unit 180º 3mm 3mm 180º 3mm Place keyboards as shown with cables attached Open cableholders ...

Page 28: ...5 Replace Keyboard left 2 Loosen excentric lock 1 Remove cable 3 Lift off Keyboard 4 Remove cable on backside of Keyboard Socket Unit 180º 3mm Cable lock 3mm ...

Page 29: ...Replace Keyboard right 5 2 Loosen excentric lock 1 Remove cable 3 Lift off Keyboard 4 Remove cable on backside of Keyboard Socket Unit 180º 3mm Cable lock 3mm ...

Page 30: ...5 Replace Display 4x TX10 Remove cables connecting the Display 5 3 BeoCenter 2 in service position Remove screws 2x Cable lock Disassembly of display Remove screws 8x TX7 ...

Page 31: ...5 3x TX8 5 3 BeoCenter 2 in service position 5 6 Remove Display Remove screws Remove cables 2x 1 m m Remounting Clamper Place a CD in clamper and allign as shown Fasten screws when clamper is correctly alligned 3x TX8 ...

Page 32: ...5 Replace Clamper cover Lift and pull off clamper cover 5 3 BeoCenter 2 in service position 5 6 Remove Display 5 7 Remove Clamper Remove screws 3x TX8 ...

Page 33: ...Replace Gearbox 5 Remove plug 5 3 BeoCenter 2 in service position 5 6 Remove Display 5 7 Remove Clamper 5 8 Remove Clamper cover Remove screws 7x TX10 Lift off Gearbox Cable lock ...

Page 34: ... Replace DVD PCB 5 3 BeoCenter 2 in service position 5 6 Remove Display Remove screws as shown Cable lock Lift off gearbox including clamper Remove cables 7x TX10 2x TX8 3x Remove plugs 77P902 77P104 77P04 ...

Page 35: ...Replace DVD PCB 5 11 77P901 Remove plugs Remove screw 1x TX6 77P102 77P101 77P103 77P951 Located on backside ...

Page 36: ... Replace DVD unit 5 3 BeoCenter 2 in service position 5 6 Remove Display Remove screws as shown Cable lock Lift off gearbox including clamper Remove cables 7x TX10 2x TX8 3x Remove plugs 77P902 77P104 77P04 ...

Page 37: ...Replace DVD unit 5 13 Special tool for Bezel No 3629144 2P16 Carefully remove DVD unit Remove cable 77P102 2P06 Remove plugs Remove screw 1x TX6 ...

Page 38: ...5 14 Replace PCB2 Top Interface Remove cables Lift off PCB 2 5 3 BeoCenter 2 in service position 5 6 Remove Display 5 10 Remove DVD PCB 5 12 Remove DVD unit Remove screws 11x TX8 2P2 2P3 Cable lock ...

Page 39: ...Replace Clamper drive belt 5 15 Remove split Loosen spring lock Remove screws Dismantle gear 5 3 BeoCenter 2 in service position 5 6 Remove Display 5 7 Remove Clamper Remove screws 3x TX8 ...

Page 40: ...5 16 Replace Clamper motor 5 3 BeoCenter 2 in service position 5 6 Remove Display 5 7 Remove Clamper 5 15 Remove Drive belt Remove motor by cutting off dampers 4x ...

Page 41: ...Replace Gearbox drive belt 5 17 When remounting holes must be alligned Disassemble as shown 3x TX8 Drive belt 5 3 BeoCenter 2 in service position 5 6 Remove Display Remove screws ...

Page 42: ... Replace Gearbox motor 3x TX8 Disassemble as shown Remove cable for motor 3x TX8 5 3 BeoCenter 2 in service position 5 6 Remove Display Remove screws Remove gearwheel Remove screws and pull off motor 3x TX8 ...

Page 43: ...Servicetest position 5 19 5 3 BeoCenter 2 in service position Placement of magnetic tester ...

Page 44: ...5 20 Socket unit service position Pull off cover as shown Remove screws 2x AUX IN R R L L AUX OUT LINE OUT R L DIG OUT VIDEO S VIDEO CTRL Master Unit TX10 ...

Page 45: ...Replace PCB50 Analog sound engine 5 21 Remove screws 5 20 Socket unit in service position Placement of PCB50 Remove cables at PCB10 3x 50P3 50P4 50P5 Remove cables at PCB50 3x TX10 2x 10P22 10P23 PCB50 ...

Page 46: ...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 3x TX10 4x 85P100 85P102 85P103 85P106 GND ...

Page 47: ...Replace PCB60 Switch mode power supply 5 23 5 20 Socket unit in service position Placement of PCB60 Remove cables 2x 60J3 60J4 Remove screws 4x TX15 PCB60 ...

Page 48: ...5 24 Replace PCB6 Microprocessor Pull up PCB6 5 20 Socket unit in service position 5 21 Remove PCB50 analoge sound engine Placement of PCB6 Remove cables from PCB6 PCB6 2x 6P1 6P2 ...

Page 49: ...ket Panel front 5 20 Socket unit in service position 5 21 Remove PCB50 analoge sound engine 5 22 Remove PCB85 Tuner module 5 23 Remove PCB60 Switch mode power supply 5 24 Remove PCB6 Microprocessor 5 26 Remove PCB37 DAB module Placement of PCB10 Remove screws holding PCB10 TX10 ...

Page 50: ...5 26 Replace PCB37 DAB module 5 20 Socket unit in service position 5 22 Remove PCB85 Tuner module Remove cables Remove screws holding PCB37 3x TX10 10P29 10P601 ...

Page 51: ...Sigma Delta type Frequency range 20 Hz 20 kHz CD DVD AUX DAB 30 Hz 15 kHz Radio FM Sampling frequencies 44 1 48 96 kHz Playback the following DVD Video Video CD CD DA CD R CD RW CD MP3 Sensitivity DAB Typical 98 dBm Band III 95 dBm Band L Signal to noise ratio CD 105 dB A weighted Signal to noise ratio DAB Typical 103 dB A weighted Tone controls Bass Treble Loudness Balance Radio DAB 174 240 MHz B...

Page 52: ...F BL ground Pin 15 R in 0 7V 3dB 75W 10 Pin 16 F BL in Logic 0 0V 0 4V 75W 10 F BL in Logic 1 1V 3V 75W 10 Pin 17 CVBS Out ground Pin 18 CVBS In ground Pin 19 CVBS Out Pin 20 CVBS In 1Vpp 3dB incl sync 75W 10 Pin 21 Ground S video Y C output Pin 1 2 GND Pin 3 Y out 1Vpp 1dB Pin 4 C out 0 3Vpp 1dB WSS Control CTRL Mini jack female Ø 3 5 mm 8 32 ohms Inner IR out Outer Not connected Shield Shield Vi...

Page 53: ... R 1V Bal Rin 2 2MW Rout 75W Pin 16 Audio R 1V Bal Rin 2 2MW Rout 75W Power link Pin 1 PL ON 2 5V OFF 0 5V Pin 2 Signal GND Pin 3 Audio L out 0V 6 5V RMS Pin 4 PL speaker ON 2 5V OFF 0 5V Pin 5 Audio R out 0V 6 5V RMS Pin 6 Data High 3 5V Low 0 8V Pin 7 Data GND Pin 8 Not used Pin 3 and 5 are connected in the SUBWOOFER socket jacket No connect DAB antenna 75 ohm 1 F connector FM antenna 75 ohm 1 M...

Page 54: ...6 ...

Page 55: ...7 1 Overall block diagram Overall block diagram 7 1 7 1 ...

Page 56: ...7 2 7 2 7 2 ...

Page 57: ...8 W17 6277714 W28 P4 W19 P3 P1 W14 See parts list CN102 CN101 P16 6200145 W01 P6 P17 6200146 W10 DVD Traverse Mechanism 95 DVD Main Board Assy 77 P8 CN103 6200142 W02 CN902 P10 CN901 P9 P18 CN951 P7 CN204 P11 CN104 6200127 W03 6200129 W04 6200135 W05 6277934 W06 6277935 W07 P14 P1 6200058 W08 P3 P2 P4 P17 P1 P1 P1 P13 6200036 W11 6200040 W12 P15 P1 P12 P1 P1 04 IR Receiver Right IR Receiver Left 0...

Page 58: ...vailable parts 8 1 8 1 Available parts BeoCenter 2 MKII 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 ...

Page 59: ...ncl pos nos 9005 9007 9007 3907074 Rubber part f cover 9008 3114116 Gearbox complete 9009 2732004 Belt 9010 8400028 Motor W8 6200058 Cable f Display W15 6200056 Cable f Display W27 6200041 Cable f PCB4 PCB5 PCB4 8000083 IR receiver two right PCB5 8000082 IR receiver one left PCB9 8330136 Display Survey of screws etc 1 2011048 Screw 2 5 x 8mm 2 2019033 Screw 2 5 x 6mm 3 2019034 Screw 3 x 12mm 4 205...

Page 60: ...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 ...

Page 61: ...22 9025 9028 9027 3103013 Aluminium foot 9028 3103000 Rubber foot small 9029 3103001 Rubber foot large W11 6200036 Cable w holder right W12 6200028 Cable w holder left PCB2 8002610 Top Interface PCB77 8002609 DVD Main Board Assy incl pos nos 9025 PCB95 8420025 DVD Traverse Mechanism incl pos nos 9020 9021 x 4 pcs Survey of screws 1 2011048 Screw 2 5 x 8mm 2 2019033 Screw 2 5 x 6mm 9 2042000 Screw ...

Page 62: ...ilable 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 ...

Page 63: ...100248 Mains cable AUS 6100386 Mains cable KOR 6100040 Mains cable CHN 9046 3165041 Cover f bottom 9047 3031047 Wall bracket 9048 3341012 Cover f DAB socket P12 6270864 FM plug w cable P14 6277717 AM plug w cable PCB6 8002663 Microprocessor H8 4 PCB37 8002046 PCB37 DAB module PCB60 8002986 SMPS 230V 8001433 SMPS 115V PCB37 8002046 DAB module PCB85 8002977 Tuner EU 8000116 Tuner JPN W29 6200355 Wir...

Page 64: ...n cable 10m EU 6270090 Connection cable 1 8m US 6270091 Connection cable 3m US 6270092 Connection cable 5m US 6270093 Connection cable 10m US Parts not shown 3375021 Product cover 3395303 Back up suitcase 3629000 Screwdriver TX6 3629002 Screwdriver TX8 3629144 Special tool f bezel ServiceTool 3375055 P I T box ServiceTool download from Retail System BeoWise 3375397 Cable kit for ServiceTool comple...

Page 65: ... Incl pos no 7 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 spacer 2 3103392 Foot 3 3103390 Spike 7 3103325 Spacer 3396234 Foam order 2 pcs 3392824 Outer carton 3504728 Guide ...

Page 66: ...4 4 5 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 3103325 Foot 6 2058016 Screw 6 x 100mm 3396235 Foam order 2 pcs 3392825 Outer carton 3504729 Guide ...

Page 67: ......

Page 68: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538050 11 06 ...

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