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Bang & Olufsen BeoLab 5 6881, Service Manual

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Bang & Olufsen BeoLab 5 6881 Service Manual Download Page 11

Speakers

9025

3320719 Cloth frame

9026

8013627 Transformer, EU, KOR
8013628 Transformer, JPN
8013629 Transformer, US
8013630 Transformer, AUS

9027

3340246 Gasket, set

9028

3332094 Damping material, back

9029

3332095 Damping material, side

9030

3332097 Damping material, ring

9031

8480376 Woofer - 165mm, 61⁄2”

9032

3332095 Damping material, side

9033

3400303 Loudspeaker cabinet, incl. tape

9034

3160307 Cover f/plug connections

9035

3151722 Cover f/RS232 plug

9036

2816381 Hook f/cloth frame

9037

6100440 Mains cable, EU
6100443 Mains cable, GB
6100444 Mains cable, US
6100445 Mains cable, JPN
6100446 Mains cable, AUS
6100447 Mains cable, KOR
6100441 Mains cable, I
6100442 Mains cable, CH

9038

3151552 Wire holder

9039

8480375 Woofer - 381mm, 15”

9040

3340246 Gasket, set

9041

8470042 Microphone unit

9042

2752098 Foot

9043

3103417 Foot, soft

7Module

8100091 PCB7, Sensitouch & IR

10Module 8100090 PCB10, NTC

999Module 8052

224

Main chassis with PIN code protection

1F10/11

6600177 Fuse (T5A)
6600176 Fuse (T10A)

6J200

6000096 Jumper

6J201

6000096 Jumper

Survey of screws

  8

2058063 Screw 5 x 25mm

  9

2056008 Screw 3.5 x 10mm

10

2015177 Screw 3.5 x 14mm

11

2054022 Screw 3 x 8mm

12

2042054 Screw 4 x 12mm

13

2015180 Screw 4 x 12mm

14

2015174 Screw 4 x 14mm

15

2038118 Screw 3 x 6mm

16

2072127 Center screw

Available parts      4.4

Summary of Contents for BeoLab 5 6881

Page 1: ...BeoLab 5 Type 6881 6882 6883 6884 6885 6886 6887 6888 From serial no 19375256 Service Center repair guide English ...

Page 2: ......

Page 3: ...tage supply e g when moving between two countries it is necessary to order new mains transformer and a jumper on the ICEsystem 1 PCB6 J200 220 240Vac J201 100 120Vac For US JPN the fuse F10 11 on the mains filter PCB1 must be changed from T5A to T10A also E g Moving from EU type 6881 to Japan type 6884 with a pair of BeoLab 5 order two mains transformers for type 6884 and move the jumper on the IC...

Page 4: ...nsitive so handling should be done with great care to avoid damage The mechanical limit for the driver is easily reached when the vacuum tightness in BeoLab 5 is broken PIN code protection The PIN code protection system will be introduced in autumn 2003 This will be the known PIN code system which are used in others products The system will be mentioned in the user guide when introduced Like on ot...

Page 5: ...ure Level 108 dB Power amplifiers 4 Long term maximum output power per amplifier Lower bass 1000 watts Upper bass 1000 watts Midrange 250 watts Tweeter 250 watts Effective Frequency Range 20 20 000 Hz Crossover frequency 120 600 2000 Hz Cabinet principle Closed box Magnetically shielded No Lower woofer 381mm 15 Upper woofer 165mm 6 5 Midrange 76mm 3 Tweeter 19mm Directivity control treble and midr...

Page 6: ...3 1 Overall block diagram Overall block diagram 3 1 3 1 Overall block diagram ...

Page 7: ...3 2 Wiring diagram Wiring diagram 3 2 3 2 Wiring diagram ...

Page 8: ...parts Lens 9001 8 10 9005 9006 9007 9009 9010 9008 9011 10 9012 9013 9014 9015 9016 9019 9017 9018 9004 9003 9002 1 1 2 2 3 3 3 3 3 3 4 2 2 2 2 6 7 5 4 3 3 3 3 8 8 8 8 8 8 5 7 6 8 Incl pos nos 3 9005 9006 Incl pos nos 3 5 6 7 9009 9010 Incl pos nos 3 5 6 7 ...

Page 9: ...f MR small 9011 8480374 Midrange 76mm 3 9012 3332096 Damping material 9013 3332098 Damping material base 9014 3332101 Damping material MR 9015 3452738 Aluminiumplate f MR incl pos nos 3 5 6 7 9016 3459437 Topcover 9017 3452739 Tube w flange incl pos no 9018 9018 6150036 Lens f IR 9019 3332099 Damping material 8Module 8100089 PCB8 Indicator 10Module 8100090 PCB10 NTC Survey of screws etc 1 2013263 ...

Page 10: ...26 9025 9027 9028 9029 9030 9031 9032 9033 9034 9035 9037 9038 9039 9040 9041 9042 9043 9036 10 7 999 10 10 10 10 10 9 11 11 11 11 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 9 8 8 12 12 12 12 12 12 12 12 12 12 13 13 13 13 13 13 14 14 16 16 15 15 15 15 8 ...

Page 11: ...able US 6100445 Mains cable JPN 6100446 Mains cable AUS 6100447 Mains cable KOR 6100441 Mains cable I 6100442 Mains cable CH 9038 3151552 Wire holder 9039 8480375 Woofer 381mm 15 9040 3340246 Gasket set 9041 8470042 Microphone unit 9042 2752098 Foot 9043 3103417 Foot soft 7Module 8100091 PCB7 Sensitouch IR 10Module 8100090 PCB10 NTC 999Module 8052224 Main chassis with PIN code protection 1F10 11 6...

Page 12: ...3375007 Product cover 3624521 Service bracket 3624161 Service holder f topcover pos no 9016 6270900 Dig cable w ferrite black 5m 6270775 Line cable black 5m 6270901 Sync cable 10m 6270688 Power Link cable black 5m 3629144 Special tool f topcover 3040001 Torx key 3132288 Brush 3390586 Cable cover set 4 5 Available parts Available documentation Guides see Retail Ordering System ...

Page 13: ...92766 Outer carton top 9302 3396196 Foam packing set of top and bottom 9303 3392074 Distance pipe order 4pcs 9304 3392772 Outer carton side 9305 3392772 Outer carton side 9306 3392766 Outer carton bottom 9307 3392685 Wooden pallet EU 3392768 Wooden pallet AUS 3917105 Foam foil ...

Page 14: ...4 7 ...

Page 15: ...necessary parts for On site service Does not contain lower woofer or transformer Bring the main chassis into service position and mount the complete lens again this way you can check the connection all the way through the lens When the chassis is in service position disconnect P3 on PCB6 On this plug you will be able to check the tweeter and midrange unit with a digital multimeter Service tips Eng...

Page 16: ... the chassis In a repair situation it is necessary to be able to write the data belonging to the actually driver to the EEPROM This is done with a LapTop with the Bang Olufsen Service Tool application All data for the drivers will be available in the Retail System The procedure Access the Retail System and download driver data for BeoLab 5 Data for all existing drivers will be downloaded to the La...

Page 17: ...o BeoLab 5 ABC calibration after repair When the EEPROM has been changed the actual ABC filtres are lost This means that it is necessary to let BeoLab 5 carry out the ABC calibration Replacement of the chassis If the electronic chassis has a defect the complete chassis except the EEPROM must be replaced The EEPROM contains driver data and must be moved from the defect chassis to the new one If it ...

Page 18: ...6 1 Replace cloth frame 6x Replace cloth frame Special tool f topcover No 3629144 3x Torx key 3040001 1 2 3 4 5 6 ...

Page 19: ...6 2 10x BeoLab 5 in service position BeoLab 5 in service position See page 6 1 Remove cloth frame TX20 1 2 3 4 ...

Page 20: ...6 3 Replace main chassis BeoLab 5 Replace main chassis See page 6 1 Remove cloth frame See page 6 2 BeoLab 5 in service position 1x 2x 4x 1 3 4 5 6 2x TX25 2 Mounting new main chassis ...

Page 21: ...6 4 Replace using IC pliers part no 3629145 IC304 For US and JPN models only 2x TX10 Change fuse to T10A 7 8 Mounting new main chassis Mounting new main chassis 9 For US and JPN models only ...

Page 22: ...6 5 4x Replace woofer 165mm 61 2 Replace woofer 165mm 61 2 See page 6 1 Remove cloth frame 3x TX10 1 2 ...

Page 23: ...6 6 12x Replace woofer 381mm 15 8x Replace woofer 381mm 15 See page 6 1 Remove cloth frame See page 6 2 BeoLab 5 in service position See page 6 3 Remove main chassis 1 5 TX25 TX25 1x 1 2 3 4 5 ...

Page 24: ...6 7 2x 4x Replace foot Replace foot See page 6 1 Remove cloth frame See page 6 2 BeoLab 5 in service position See page 6 3 Remove main chassis 1 5 See page 6 6 Remove woofer 381mm 15 TX10 1 2 3 4 ...

Page 25: ...6 8 Replace transformer 2x See page 6 1 Remove cloth frame Replace transformer See page 6 2 BeoLab 5 in service position 1x 4x 1 2 3 4 5 ...

Page 26: ...6 9 Replace microphone 4x TX10 2x TX10 Replace microphone 1 2 3 4 5 6 7 ...

Page 27: ...Remove cloth frame See page 6 3 Remove main chassis 1 5 See page 6 5 Remove woofer 165mm 61 2 See page 6 6 Remove woofer 381mm 15 1 3 See page 6 2 BeoLab 5 in service position 4x TX10 Replace loudspeaker cabinet See page 6 8 Remove transformer 1 2 ...

Page 28: ...6 11 Replace topplate 1 2 Replace topplate 1 2 3 4 ...

Page 29: ...6 12 2x Dismantling lens for tweeter Dismantling lens for tweeter See page 6 11 Remove topplate TX10 1 2 ...

Page 30: ...6 13 2x 1x 3x Replace tweeter 19mm 3 4 See page 6 11 Remove topplate TX10 TX20 Remount tweeter 19mm 3 4 1 2 3 4 5 Replace tweeter 19mm 3 4 ...

Page 31: ...6 14 Replace aluminiumplate for tweeter 4x Replace aluminiumplate for tweeter See page 6 11 Remove topplate See page 6 12 Remove tweeter 1 4 TX20 1 2 3 ...

Page 32: ...5 3x Replace midrange 76mm 3 1x Replace midrange 76mm 3 See page 6 11 Remove topplate See page 6 12 Remove tweeter 1 4 See page 6 13 Remove aluminiumplate for tweeter TX10 Remounting midrange 76mm 3 1 2 3 ...

Page 33: ...aluminiumplate for midrange Replace aluminiumplate for midrange See page 6 11 Remove topplate See page 6 12 Remove tweeter 1 4 See page 6 13 Remove aluminiumplate for tweeter See page 6 14 Remove midrange 1 2 TX25 1 2 ...

Page 34: ...cover Replace topcover See page 6 10 Remove topplate See page 6 11 Remove tweeter 1 4 See page 6 12 Remove aluminiumplate for tweeter See page 6 13 Remove midrange 1 2 See page 6 14 Remove aluminiumplate for midrange 1 ...

Page 35: ...6 18 ...

Page 36: ...voltage of 2 5kV ac is obtained Maintain that voltage level for one second then slowly turn it down again During the testing the current must not exceed 5mA Insulation 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 ot...

Page 37: ......

Page 38: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538053 06 06 ...

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