Bang & Olufsen BeoLab 3 6881 User Manual Download

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BeoLab 3

Type 6881, 6882, 6883, 6884, 6885, 6886, 6887, 6888
from serial no. 19355490

Service Center repair guide
English

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Summary of Contents for BeoLab 3 6881

Page 1: ...BeoLab 3 Type 6881 6882 6883 6884 6885 6886 6887 6888 from serial no 19355490 Service Center repair guide English...

Page 2: ...iagram 3 2 Available parts 4 Service tips Replacements Cleaning 5 English 5 1 German 5 3 French 5 5 Italian 5 7 Spanish 5 9 Danish 5 11 Nederlands 5 13 Japanese 5 15 Disassembly 6 Insulation test 7 En...

Page 3: ...t of a complete cabinet with gaskets and other materials there are needed when exchanging the complete cabinet Only the lens the loudspeaker units the main chassis and the foot must be put onto the ne...

Page 4: ...be done with great care to avoid damage Cleaning of the speaker surfaces should only be done a lint free cloth which you have dipped in lukewarm water and wrung firmly When doing disassembly small al...

Page 5: ...mum output per amplifier Bass 220 Watts 4 Ohm Treble 120 Watts 8 Ohm Effective Frequency range 50 20 000 Hz Crossover frequency 3300 Hz Cabinet principle Double passive radiator system Magnetically sh...

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 6...

Page 8: ...10 9011 9012 9013 9014 9015 9015 Incl pos no 9003 9003 Incl pos no 9005 Incl pos no 9007 9018 9018 9019 9020 9016 9017 9015 9026 9027 9028 9022 9024 9018 9019 9021 9025 9012 5 999 6 1 1 1 1 1 1 2 2 2...

Page 9: ...er 9018 2954002 Bezel 9019 8480383 Passive radiator 9020 8480382 Woofer 9021 6100273 Mains lead EU 6100329 Mains lead GB 6100307 Mains lead US 6100331 Mains lead J 6100332 Mains lead AUS 6100386 Mains...

Page 10: ...ool f bezel 3629000 Screwdriver TX6 3629002 Screwdriver TX8 Accessories 6270077 Power Link cable 0 5m black 6270078 Power Link cable 2 5m black 6270079 Power Link cable 5m black 6270080 Power Link cab...

Page 11: ...p screws spikes 9506 and 2 hexagon spanners 9502 2950239 Tube 9503 3459466 Cover w tape 9504 2752048 Bottom w tape 9505 3103392 Foot 9506 3103390 Spike 3396205 Foam order 2 pcs 3392780 Outer carton 35...

Page 12: ...5 Available parts Table stand 2166 9510 2627000 Protection washer 9511 2950238 Tube 9512 2752046 Bottom 9513 3103358 Foot 3396203 Foam order 2 pcs 3392778 Outer carton 3504726 Guide 9512 9513 9511 951...

Page 13: ...ag w protection washer screw and hexagon spanner 9521 2854225 Plate 9522 3151796 Fitting 3396204 Foam order 2 pcs 3392779 Outer carton 3504727 Guide Wall bracket 2167 List of available parts 4 6 9521...

Page 14: ...4 7...

Page 15: ...e the Driver units treble bass using a Ohm meter Dismantle the speaker to get access to the driver unit you want to measure Disconnect the unit completely Measure with an Ohm meter The bass unit shoul...

Page 16: ...re will be a dB value stated on the back This value is used along with the table below to adjust the correct potentiometer Bass adjustment the lower potentiometer Stated value on the service driver un...

Page 17: ...6 1 BeoLab 3 in serviceposition BeoLab 3 in serviceposition 1 2 3 4 1 2 1x TX10...

Page 18: ...6 2 Replace Top plate Replace Top plate 1...

Page 19: ...6 3 Replace Acoustic lens 2 1 Replace Acoustic lens See page 6 1 BeoLab 3 in serviceposition See page 6 2 Remove Top plate 2x TX15...

Page 20: ...6 4 Replace tweeter cover Replace tweeter cover See page 6 1 BeoLab 3 in service position See page 6 2 Remove Top plate See page 6 3 Remove acoustic lens 1...

Page 21: ...5 Replace Tweeter Replace Tweeter See page 6 1 BeoLab 3 in service position See page 6 2 Remove Top plate See page 6 3 Remove acoustic lens See page 6 4 Remove tweeter cover 2 1 3x TX15 2x ESD ESD Ma...

Page 22: ...6 6 Replace Bezel Replace Bezel See page 6 1 BeoLab 3 in service position 1 2...

Page 23: ...6 7 Replace woofer 2 1 Replace woofer See page 6 1 BeoLab 3 in serviceposition See page 6 6 Remove Bezel 4x TX10 3x ESD ESD Mat...

Page 24: ...Replace passive radiator Replace passive radiator 6 8 2 1 See page 6 1 BeoLab 3 in serviceposition See page 6 6 Remove Bezel 4x TX10 3x ESD ESD Mat...

Page 25: ...ition See page 6 2 Remove Top plate 1x TX30 2x See page 6 3 Remove Acoustic lens See page 6 4 Remove Tweeter cover Replace PCB 5 6 9 See page 6 6 Remove Bezels See page 6 7 Remove Woofer See page 6 8...

Page 26: ...in serviceposition See page 6 2 Remove Top plate See page 6 3 Remove Acoustic lens See page 6 4 Remove Tweeter cover See page 6 5 Remove Tweeter See page 6 6 Remove Bezels See page 6 7 Remove Woofer S...

Page 27: ...6 11 Converting mains voltage supply Converting mains voltage supply See page 6 10 Remove main chassis...

Page 28: ...oltage 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 m...

Page 29: ......

Page 30: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538052 06 06...

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