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Bang & Olufsen BeoLab 5 6881 Service Manual

Summary of 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 3

    How to service front line service beolab 5 must be serviced in the customers home in terms of electrical symptoms or exhange of mechanical parts such as cloth frame, microphone or foot. In this way you avoid having to transport the heavy loudspeaker (967mm/Ø485mm,61kg) from and back to the customer....

  • Page 4

    1.2 warnings – pin code protection, english static electricity may destroy the product warnings esd when electrical replacements or disassembly is taking place, use a esd-mat. The internal electronic are very sensitive to static electricity. General warnings wear cutton cloves to avoid any fingerpri...

  • Page 5

    Specification guidelines for service use beolab 5 type no. ope ope type no. n n n n type no. n n type no. p n p n type no. ...

  • Page 6

    . ove b ock m ove b ock m . . overall block diagram.

  • Page 7

    . w n m w n m . . wiring diagram.

  • Page 8

    . v b e p v b e p . . available 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, 90...

  • Page 9

    . v b e p v b e p . . lens 9 9 topp e comp e e 9 7 ho e 9 len f/ n c o 9 7 len f/tw nc . Po . No . 9 9 9 9 7 fe f/tw e 9 9 7 7 fe f/tw m 9 7 7 twee e 9mm ...

  • Page 10

    . v b e p v b e p . . speakers 9026 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...

  • 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 - 165...

  • Page 12

    Wire bundles see wiring diagram page 3.2. The part no. Is printed on the diagram above the wire bundle, as shown. Parts not shown 3395224 back-up suitcase with pin code protection 3375007 product cover 3624521 service bracket 3624161 service holder f/topcover pos. No. 9016 6270900 dig. Cable w/ferri...

  • Page 13

    Available parts 4.6 packing 9301 9302 9303 9304 9305 9302 9306 9307 9301 3392766 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 ...

  • Page 14

    4.7.

  • Page 15

    The main chassis in the back-up suitcase, is setup as a eu version. If it should be used in a jpn or us product, it will need to be converted. See page 6.4. Service tips symptom: the loudspeaker does not switch on, and the stand-by diode is always red. Cause: the amplifier is in protection-mode. The...

  • Page 16

    Service tool to service beolab 5 a labtop with the bang & olufsen service tool application is needed. With the “service tool” it is possible to read error codes, service counters and product id and to save them in a file. (the service tool is downloaded from the retail system). It is also possible t...

  • Page 17

    Replacement of eeprom if the eeprom is defect the data for all the drivers must be written into a new eeprom. The serial number for the drivers can be found on the drivers/cabinet. The serial number refers to the data for the actually driver. Procedure: when the defect eeprom is replaced the data of...

  • 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 6.3 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

    6.2 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 6.5 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

    6.4 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 6.7 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

    6.6 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 6.9 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

    6.8 6.9 replace microphone 4x tx10 2x tx10 replace microphone 1 2 3 4 5 6 7.

  • Page 27

    6.10 6.11 replace loudspeaker cabinet see page 6.1, 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 t...

  • Page 28

    6.10 6.11 replace topplate 1 2 replace topplate 1 2 3 4.

  • Page 29

    6.12 6.13 2x dismantling lens for tweeter dismantling lens for tweeter see page 6.11, remove topplate tx10 1 2.

  • Page 30

    6.12 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 6.15 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

    6.14 6.15 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

    6.16 6.17 7x replace 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

    6.16 6.17 replace topcover 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

    Insulation test beolab 5 must be insulation tested if it has been dismantled. Make the test when the beolab 5 is reassembled and is ready to be returned to the customer. Insulation test at the service center short-circuit the two pins of the mains plug and connect them to one of the terminals of the...

  • Page 38

    Bang & olufsen dk-7600 struer denmark phone +45 96 84 11 22* fax +45 97 85 39 11 3538053 06-06.