Bang & Olufsen BeoSound 4 2851 Скачать руководство пользователя | Manualshive

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Service Mode 3.

Not completed

ABO-CENTER

v/HENRIKSENS

ELEKTRONIK

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Содержание BeoSound 4 2851

Страница 1: ... 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 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 2: ... 6 Fault flow chart 2 1 Placement of measuring points 2 2 Placement of magnet 2 11 Service mode 3 1 Service tips 4 1 Repair tips 4 2 Replacement of modules 5 1 Specification guidelines for service use 6 1 Wiring diagram 7 1 Available parts 8 1 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 3: ...icroprocessor PCB7 Codec PCB8 Tacho PCB9 Headphone PCB10 Display PCB11 SD MMC card reader PCB12 Switch 37Module DAB PCB61 SMPS PCB85 FM tuner EU JP 96Module CD unit Survey of modules 37 2 10 12 8 96 61 85 5 5 9 3 4 4 7 11 1 Keyboard 6 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 4: ...op whatever is most convenient in each case For on site service a back up suitcase must be used Module exchange is the recommended way to perform service due to the fact that most of 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 customer s home if you bring a BeoSound 4 back up suitcase with yo...

Страница 5: ... 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 unlocked by entering th...

Страница 6: ...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 code when The PIN code is act...

Страница 7: ...id fingerprints on the product The display surface on the product is very sensitive so handling should be done with great care to avoid damage When transporting BeoSound 4 it is recommended to use the product cover part no 3375490 Be sure that the plugs in each end are connected correctly Cleaning Clean BeoSound 4 surfaces using DuPont Polishing Cloth part no 3624018 Finally clean the front glass ...

Страница 8: ...on test at the customer Remove the mains cable from the wall outlet Place a jumper across the two AC plug prongs Use a multi meter set for measurements in the ohm area Place one lead from the multi meter on the AC plug and place the other lead on ground at the power link plug The resistance during this measurement must be of 1 mega ohm or more Resistance measured below 1 mega ohm indicates an abno...

Страница 9: ...4 is named BS4 Never connect or disconnect a socket when the power is turned on Disconnect the mains supply and wait minimum 30 seconds for the electrolytic capacitors to discharge When measuring voltages BS4 must be in CD mode When fault finding in CD use Bang Olufsens test CD 3634031 SBC444A A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 10: ...2 Fault flow chart Placement of measuring points 6V IC1000 pin1 5V_CD IC1000 pin5 Mains supply P101 5V_SB 12V IC1 pin8 12V IC1 pin4 9V_CD A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 11: ...Fault flow chart 2 uPH8 6V 5V_CD 9V_CD Mains supply P101 back of display 5V_SB Headphone jack 12V 12V A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 12: ...ections in BS4 are all right Change PCB61 SMPS Fault symptom Front glass does not close Possible causes Bright light shining on the product PCB3 Magic Use menu to change sensitivity of the door censors OK Lift the front glass a little Push Load Front glass opens BS4 is placed in bright light No Yes Measure connections or replace PCB3 Magic Move BS4 to another place OK A B O C E N T E R v H E N R I...

Страница 13: ...create connection Replace PCB61 SMPS Fault symptom No sound in headphone Possible causes PCB9 headphone connector PCB2 Master Unplug headphone Sound in speaker Switch to FM Sound in speaker Change PCB2 Master Plug another headphone Sound in headphone Connection from PCB2 to PCB9 OK Re establish connection Change PCB9 Headphone No Yes Change PCB2 Master A B O C E N T E R v H E N R I K S E N S E L E...

Страница 14: ...3 Magic Fault symptom Unable to use MasterLink Possible causes Wrong option setting ML cable PCB2 Master No Yes Check option setting Refer to user guide OK Check ML cable e g try another cable Connect to another product OK Change PCB2 Master Change cable Fault symptom No power Stand by led not lit Unable to remote Possible causes PCB61 SMPS Measure connection to PCB61 SMPS Measure mains supply Fus...

Страница 15: ...PCB2 IC1003 pin2 12V Change PCB61 SMPS Change PCB96 CD unit Change PCB2 Master Fault symptom Regular dropouts mute when playing CD CD stops playing rotating CD search problem Possible causes Tracking problem Dirty lens PCB76 CD board PCB96 CD unit Establish fault symptom with B O Test CD Fault symptoms established Establish the fault with customers CD Check the disk for visible defects Report faul...

Страница 16: ...er Fault symptom Fault in display Nothing in display Stand by led OK Able to remote Able to play CD Possible causes PCB10 display Connections to display Change PCB10 Display OK Change PCB2 Master Fault symptom Unable to play FM CD plays OK Possible causes PCB85 tuner PCB61 SMPS Measure voltages 12V Replace PCB61 SMPS Measure connections to tuner OK Replace PCB85 tuner No Yes A B O C E N T E R v H ...

Страница 17: ...ossible causes PCB3 Magic door censor PCB61 SMPS Motor Lift the glass so the keyboard is visible Press the Load button The front glass slides up Measure connection to PCB3 Magic Measure voltages 5V_SB 6V Change PCB61 SMPS BS4 in service position Measure connection to PCB3 Magic Confirm voltage 5V_SB 6V Change PCB61 SMPS Change PCB3 Magic Change PCB2 Master Change PCB2 Master Change PCB3 Magic OK N...

Страница 18: ...thing else happens Possible causes PCB12 Switch PCB2 Master Check if the magnet on the door mechanism is mounted See figure page 2 11 Measure connection to PCB8 Tacho PCB12 Switch Door mechanism must be in lower position Measure 3 3V PCB12 P1 pin2 Change PCB2 Master Change PCB12 Switch Fault symptom No sound in loudspeaker and or headphone Radio DAB OK CD OK Possible causes PCB2 Master PCB1 Socket...

Страница 19: ...Fault flow chart 2 11 Placement of magnet A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 20: ...2 12 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 21: ...Service Mode 3 Not completed A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 22: ...3 Service Mode Not completed A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 23: ...und 4 unit From the service module another service cable goes to a laptop On the service module you are able to select which software you want to flash update via a switch You will need to get the ServiceTool program installed on your laptop this can be downloaded from the Retail System A fully described instruction is enclosed when the P I T box is ordered 3375055 A B O C E N T E R v H E N R I K ...

Страница 24: ...n try out a new PCB6 without transferring the product s serial no etc Note When the serial number has been transferred to the microprocessor it can only be used for this specific product it must go back to Bang Olufsen s module repair department as an exchange module to be erased again If the product functions are OK and the PIN code protection is also OK there is no need to test the functionality...

Страница 25: ...d for this specific product it must go back to Bang Olufsen s module repair department as an exchange module to be erased again If the product functions are OK and the PIN code protection is also OK there is no need to test the functionality of the PIN code protection Exchange of software EEPROM on PCB6 When exchanging the EEPROM on PCB6 the data from the micro processor will be written into the E...

Страница 26: ...9 Headphone 5 13 10 Display 5 14 11 SD MMC card reader 5 15 12 Switch 5 16 37Module DAB 5 20 61 SMPS 5 17 85 FM tuner 5 18 96Module CD unit 5 19 Cabinet 5 21 Clamper cover 5 22 Clamper unit 5 23 Base 5 24 Door mechanism 5 25 Drivebelt 5 26 Finger niche 5 27 Keyboard 5 28 Motor 5 29 Replacement of modules A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 27: ...ition and remove it Remove all cables 4x TX10 Remove screw covers at top and all screws Remove cables BeoSound 4 in service position 8P1 8P3 5P2 Plug with lock 8P1 and 5P2 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 28: ...ews at front 3x TX10 Remove screws at socket panel Remove Chassis 5 3 BeoSound 4 in Service Position 4x TX10 Remove cables Pull out chassis 2P1002 2P1009 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 29: ...t Pull off socket cover Remove plugs Remove screws 5 3 BeoSound 4 in Service Position Remove plugs 5 4 Remove Chassis 4x TX20 1P7 1P1 GND 85P100 7P101 Snap locks A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 30: ...cal chassis from mechanical chassis Remove cables PCB2 2P1004 2P1008 5 3 BeoSound 4 in Service Position Remove screws and release snaplocks 5 4 Remove Chassis 76P103 2P1003 Remove plugs A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 31: ... the back of PCB2 Replace PCB2 Master 2P1005 2P1013 2P1010 2P1012 2P1011 Transfer EEPROM software IC3 IC6 EEPROM PCB6 Use IC pliers for replacement part no 3629145 IC SOCKET EEPROM A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 32: ...5 5 3 BeoSound 4 in Service Position Remove screws Remove PCB3 Magic 5 4 Remove Chassis Replace PCB3 Magic 2x TX7 Remove PCB9 Headphone A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 33: ...5 Replace PCB4 Light 5 3 BeoSound 4 in Service Position Remove PCB4 Light 5 27 Remove finger niche A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 34: ...e snaplocks and push out Replace PCB5 Turn wheel and parts left and right 5 3 BeoSound 4 in Service Position Dismantle turn wheel 5P1 2x TX10 PCB5 Base Wheel Snaplock A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 35: ...emove plugs Remove screw 1x TX10 2x TX10 Remove electrical chassis from mechanical chassis 5 3 BeoSound 4 in Service Position Remove screws and release snaplock 5 4 Remove Chassis A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 36: ...und 4 in Service Position 5 4 Remove Chassis Remove screws and plug 5 23 Remove Clamper unit 3x TX10 Remove screws Remove drive belt Remove plug and gear wheel 8P3 P1 4x TX10 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 37: ...5 13 Replace PCB9 Headphone 5 3 BeoSound 4 in Service Position Remove PCB9 Headphone 5 4 Remove Chassis 5 8 Remove PCB3 Magic A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 38: ...5 14 Replace PCB10 Display 3x TX10 Remove screws Remove cable 5 3 BeoSound 4 in Service Position CON1 Plug with lock CON1 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 39: ...5 15 Replace PCB11 SD MMC card reader 5 3 BeoSound 4 in Service Position Remove screws Pull out PCB11 SD MMC card reader 2x TX6 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 40: ...5 16 Replace PCB12 Switch 5 3 BeoSound 4 in Service Position Remove screw 5 4 Remove Chassis A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 41: ...move plugs Remove screws 4x TX10 2x TX10 Remove electrical chassis from mechanical chassis 5 3 BeoSound 4 in Service Position Remove screws and release snaplock 5 4 Remove Chassis A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 42: ...lace PCB85 FM tuner Remove screws Remove plugs on th back of PCB85 5 3 BeoSound 4 in Service Position 3x TX10 5 4 Remove chassis 85P106 85P103 85P100 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 43: ... Remove electrical chassis from mechanical chassis 5 3 BeoSound 4 in Service Position Remove screws and release snaplock 5 4 Remove Chassis 4x TX10 Remove screws Pull off CD unit A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 44: ...5 20 Remove plugs Remove screws 5 3 BeoSound 4 in Service Position 3x TX10 Replace 37Module DAB 5 4 Remove chassis 37P201 37P101 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 45: ...5 21 Replace Cabinet 5 3 BeoSound 4 in Service Position 5 4 Remove Chassis 5 8 Remove PCB3 Magic 5 24 Remove Base A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 46: ...5 22 Replace clamper cover 5 3 BeoSound 4 in Service Position 5 4 Remove Chassis Release snaplocks 5 23 Remove Clamper unit A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 47: ...nit 5 3 BeoSound 4 in Service Position 5 4 Remove Chassis 4x TX10 Remove screws Lift off clamper Note Take care that the arm is placed correctly 5 19 Remove CD unit A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 48: ...5 24 4x TX10 Replace Base 5 3 BeoSound 4 in Service Position Remove screws 5 4 Remove Chassis A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 49: ...nism 5 3 BeoSound 4 in Service Position 5 4 Remove Chassis 5 23 Remove Clamper unit 5 12 Remove Motor unit Check that the alignment is correct Scratch in the plastic A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 50: ...vebelt 5 3 BeoSound 4 in Service Position 5 4 Remove Chassis Remove screws and plug 5 23 Remove Clamper unit 3x TX10 Remove screws Remove Drivebelt P1 4x TX10 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 51: ...5 27 Remove finger niche Note lift free of lock 4x TX6 Replace Finger niche 5 3 BeoSound 4 in Service Position Remove screws A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 52: ...ws Pull out keyboard 4x TX6 Replace keyboard 5 3 BeoSound 4 in Service Position Remove cables 5 15 Remove SD MMC card reader 5 27 Remove finger niche 5P1 5P1 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 53: ...nd 4 in Service Position 5 4 Remove Chassis Remove screws and plug 5 23 Remove Clamper unit 3x TX10 Remove screws Remove drivebelt Remove screws and plug 3x 8P3 P1 4x TX10 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 54: ...5 30 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 55: ...ignal to noise ratio stereo 62dB typ 65dB Frequency response mono 30Hz 15kHz 2dB Frequency response Stereo 30Hz 15kHz 2dB RDS PS Name RadioText Clock Tuner DAB section Receiving bands 174 240MHz band 3 1452 1492MHz band L Sensitivity BER 10e 4 95dBm Adjacent channel rejection BER 10e 4 35dB Out of band rejection BER 10e 4 45dB Signal noise ration 1kHz 95dB Frequency response 15 20000Hz 1dB Decodin...

Страница 56: ...requency 16 bit sample resolution Testdisc SBC429 Bitrate 128kbit sec Codec MPEG 1 Layer 3 Frequency response Recorded from CD fs 44 1kHz 20Hz 15kHz 1dB Signal noise ratio LINEAR below 80kHz 76dB UNW 90dB A Weighted 97dB Dimensions W x H x D 280 x 310 x 240mm 11 0 x 12 2 x 9 4 in Weight 4kg Cabinet finish Smoke coloured glass Power consumption Stby 1W typical 12W Accessories Floorstand Type 2180 W...

Страница 57: ... 8V Pin 7 Data GND Pin 8 Not used Headphones x 1 Sound level experienced should be the same using Form 1 headphones and BeoLab 4000 speakers Output level 0dBFS volume 72 RL 33W Max 1 4VRMS Signal Noise ratio A weighted 0dBFS vol 72 92dB without clipping FM Aerial x 1 75W impedance DAB aerial x 1 75W impedance Mains Cable included 187 264V 50 60Hz Type 2851 2852 2855 2858 2859 2860 58 132V 50 60 Hz...

Страница 58: ...6 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 59: ... Turn Wheel 06 Main microcomputer 05 Turn Wheel Display 10 Master 02 SMPS 61 Head phone 09 Socket 01 SD MMC card reader 11 CD unit 96 P103 W12 6200099 P1005 FM Tuner 85 DAB 37 P1013 P1 W23 6200103 P101 P102 6200093 W26 P100 CD unit 96 07 Codec 03 Magic P102 P1008 6277876 W15 Tuner DAB 37 6200098 W11 P1004 P100 P3 P1 6277875 W10 Light 04 P7 CN1 P102 P2 P1 6200100 W16 P1003 P1 6277877 W18 P101 P1 04...

Страница 60: ... 9001 Incl PCB12 See page 8 4 See page 8 3 See page 8 5 9005 9004 9006 9007 9008 W9 9010 9011 12 9 3 Incl pos nos 9011 W9 PCB9 1 1 1 1 1 2 1 1 1 3 3 3 3 1 1 1 1 1 1 4 4 4 6 6 5 5 5 5 5 Incl pos no 5 Incl pos no 5 1 10 9009 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 61: ...0248 Mains cable AUS 6100306 Mains cable US TWN 6100089 Mains cable CHINA 6100386 Mains cable KOR 9010 3333050 Packing f headphone 9011 8480389 Dynamic speaker W9 6200095 Wire 30 pole 3Module 3110016 PCB3 Magic incl pos nos 9011 W9 PCB9 9Module 8002412 PCB9 Headphone 10Module 8337004 PCB10 Display 12Module 8002400 PCB12 Switch Screws etc 1 2052011 Screw 3 x 10mm 2 2052029 Screw 2 x 5mm 3 2054011 S...

Страница 62: ...Keyboard 9016 3162217 Cover 4Module 8002409 PCB4 Light 5Module 8002410 PCB5 Turn wheel 11Module 8002405 SD MMC card reader 9012 4 4 7 7 7 7 11 5 7 9013 9014 9015 9016 9014 5 7 7 7 7 7 1 1 1 1 Incl 2 x PCB4 Incl pos no 9016 Incl PCB5 Incl PCB5 Screws 1 2052011 Screw 3 x 10mm 7 2013034 Screw 6 x 25mm A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 63: ...r cover 9019 2755082 Gear unit 9020 2732127 Belt 9021 8400025 Motor 8Module 8002530 PCB8 Tacho 96Module 8420024 CD unit 9017 9018 96Module 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 8 9020 9019 9021 Screws 1 2052011 Screw 3 x 10mm A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 64: ... 2Module 8002593 PCB2 Master incl PCB6 6Module 8000138 PCB6 Main microprocessor SW IC 8343712 EEPROM 7Module 8002595 PCB7 Codec 37Module 8002046 DAB 61Module 8002594 PCB61 SMPS 7221406 Shunt 85Module 8002415 PCB85 FM tuner EU 8002417 PCB85 FM tuner JP 9025 9026 9027 9029 9028 9030 37 2 6 61 1 7 85 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Screws 1 2052011 Screw 3 x 10mm A B O C E N T...

Страница 65: ... ServiceTool 3375055 P I T box ServiceTool download from Retail System BeoWise 3375397 Cable kit for ServiceTool complete Cable kit consists of 6270857 Main cable 6270852 Cable D SUB Jack 6277439 Wire 3 pole 8008922 Minijack f STB Controller Available documentation See Retail Ordering System Accessories 8720063 FM dipol antenna 8720044 DAB antenna P1 P1001 W08 6200094 Display 10 Master 02 A B O C ...

Страница 66: ...8 7 Available parts Packing 9301 3396308 Foam set of top and bottom 9302 3917143 Foam foil 9303 3392385 Outer carton 9301 9302 9301 9303 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 67: ... 1 2046017 Screw 6 x 16mm 2 3390065 Bag w parts 3 2019035 Screw 4 x 12mm 9301 3396329 Foam packing set 9302 3016011 Guide f cover plate 9303 3392485 Outer carton 3390083 Cable manager 3507399 Guide 3507661 Guide f cable manager 3 3 3 9101 9102 9103 9104 1 2 9301 9302 9301 9303 Incl pos nos 9102 1 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 68: ...8 9 Available parts Wall bracket 2181 1218111 3 2019035 Screw 4 x 12mm 3390071 Bag w parts 3507400 Guide 3 3 3 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 69: ...A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

Страница 70: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538035 04 06 A B O C E N T E R v H E N R I K S E N S E L E K T R O N I K ...

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