Bang & Olufsen Beolab 4000 MKII 6642 User Manual Download

Page: 1 / 26

background image

BeoLab 4000 MKII

Type 6642, 6643, 6644, 6645, 6646, 6647, 6648

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 !

1
2
3
...
»

Summary of Contents for Beolab 4000 MKII 6642

Page 1: ...643 6644 6645 6646 6647 6648 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: ...modules 1 1 How to service 1 2 Warnings Insulation test 2 1 Adjustments 3 1 Repaie tips 4 1 Replacement of modules 5 1 Specification guidelines for service use 6 1 Block diagram 7 1 Wiring diagram 7 1 Available parts 8 1 ...

Page 3: ...PCB01 Amplifier PCB02 SMPS PCB03 Main PCB PCB04 LED Survey of modules 1 2 3 4 Survey of modules 1 1 ...

Page 4: ...ed on all markets with 100 to 240 V ac mains voltage When you order BeoLab 4000 MKII set of two two mains cables and two Power Link cables are included Installation and setting up Only the switch for Left Right or Line must be set into correct position as described in the User Guide before Power Link or a Line signal and AC power wires are connected If Power Link is used the switch is for Left or ...

Page 5: ...owest level Note Never use alcohol or other solvents to clean any part of the BeoLab 4000 MKII Insulation test The product must be insulation tested after having been dismantled Make the test when the set has been reassembled and is ready to be returned to the customer Flashover must not occur during the test Make the insulation test as follows Short circuit the two pins of the mains plug and conn...

Page 6: ...erted to a mechanical position of the two potentiometers by using table 1 and fig 1 After replacing a speaker unit Adjust treble level by means of R301 and the bass level by means of R312 These two potentiometer are accessible via the two holes in the socket well see fig 1 Adjusts according to the drawing and table 1 Only the potentiometer of the replaced unit have to be adjusted WARNING Do under ...

Page 7: ... by an ohm meter OK values for tweeter and woofer are approx 6 W How to check the Switch Mode Power Supply Take off the baffle Connect an audio signal set the input switch corresponding to the applied signal Connect mains 100 240V Confirm 12V standby on PCB02 SMPS P2 pin 6 GND pin 3 if not OK replace PCB02 SMPS Confirm 12V HT_ON on PCB02 SMPS P2 pin 8 if not OK replace PCB03 Main PCB Confirm 12V o...

Page 8: ...4 2 ...

Page 9: ...field service kit must always be used when the product is disassembled or modules are being handled Notice All modules must be placed on the ESD mat or in an ESD proof bag Purpose of replacement of modules Short instructions for replacement of the available modules with reference to additional illustrations The correct sequence for replacing modules Text and illustrations Reference to adjustment A...

Page 10: ...5 BeoLab 4000 MKII in service position Remove front frame LINE L R 1 2 POWER LINK Remove profile Remove screws for baffle Remove cables connected to BeoLab 4000 MKII 2x TX10 10x TX10 ...

Page 11: ...5 BeoLab 4000 MKII in service position Remove cables for speaker units ...

Page 12: ...5 Replace PCB01 Amplifier 5 2 BeoLab 4000 MKII in service position Remove screws 4x TX10 Remove cables on backside of PCB 4P300 4P301 ...

Page 13: ...5 Replace PCB02 SMPS 6x TX10 Remove screws and pull out PCB02 SMPS 5 2 BeoLab 4000 MKII in service position Remove cables 2P1 2P2 ...

Page 14: ...5 Replace PCB03 Main PCB 5 2 BeoLab 4000 MKII in service position Remove screws and pull out PCB03 Main PCB Remove ground cable 5x TX10 Remove cables Ground 3P300 3P103 3P100 ...

Page 15: ...5 Replace PCB04 LED Remove screws and pull PCB04 LED out Remove screw and pull off light guide 1x TX10 5 2 BeoLab 4000 MKII in service position Remove screw and pull out LED 2x TX10 1x TX10 ...

Page 16: ...5 ...

Page 17: ...Hz 10 dB Bass equalization ABL Adaptive Bass Linearization Acoustics and cabinet Cabinet principle Bass reflex Woofer 114 mm 4 8W Tweeter 18 mm 8W Magnetically shielded Yes Crossover frequency 3 3 kHz Net volume bass 4 litres Power amplifier Signal to noise ratio 84 dBA 1W in Woofer Input sensitivity impedance Input sensitivity Power Link Line 125 mV 88 dB SPL Auto switch on Power link sockets 1V ...

Page 18: ...6 2 ...

Page 19: ...ter Black Red Woofer White Purple G R GND R302 R312 PCB04 LED PCB03 Main PCB02 SMPS PCB01 Amplifier Autostart HT On 1 2 Tweeter gain adjust EQ notch 4 kHz EQ notch 7 kHz H P F fc 3200 Hz Tweeter Protection Limiter H P F fc 3200 Hz Differential Output Tweeter Tweeter amp gain 20dB ICE power Woofer amp gain 20dB Woofer MUTUAL EQ 750Hz notch 1 35kHz notch 2 4kHz peak ABL L P F fc 3560Hz Filter PWB L ...

Page 20: ... 9004 9003 9003 9014 9006 9007 9008 9009 9013 9012 9010 9011 9015 9016 9017 9018 9019 9020 9020 9021 1 3 2 4 1 1 1 1 2 3 3 1 1 1 1 2 4 4 4 4 4 4 5 8 8 7 6 6 6 6 6 6 6 6 6 6 6 6 6 4 4 4 4 4 4 9 9 9 9 2 10 10 10 11 11 12 10 10 10 10 11 10 10 10 10 10 10 10 10 10 Incl pos nos 9004 9005 Incl pos nos 9004 9005 Available parts ...

Page 21: ...9019 2568090 Set of profiles black 2568111 Set of profiles yellow 2568148 Set of profiles red 2568150 Set of profiles blue 2568158 Set of profiles dark grey 9020 2816315 Spring 9021 3332015 Set of gaskets 01Module 8003563 PCB01 Amplifier 02Module 8003556 PCB02 SMPS 03Module 8003562 PCB03 Main PCB 04Module 8003555 PCB04 LED 9101 3031601 Bracket f wall 9102 3031620 Bracket f speaker 9103 2816297 Cli...

Page 22: ...ble KOR 3m 6100047 Mains cable China 3m Packing 3397996 Set of foam 3392504 Outer carton Parts not shown 3658262 Product cover 3103325 Rubber foot 3040030 Allen key 6270041 Power Link cable MKIII 5m black Accessories 1203726 Base 6270856 Phono male to PL line in black 5 m 6270433 Stereo mini jack male to 2 x phono female black 3m Available documentation See Retail Ordering System ...

Page 23: ...ium tube 9204 3459257 Cover plate 9205 2752081 Foot incl pos no 9210 9210 3103392 Foot soft 9211 3103390 Foot spike 3390616 Bag w parts 2 screws 4x12mm 6 pcs of pos no 9211 and 1 torx key 3504637 Setting up guide 3392710 Outer carton 3396136 Foam packing top bottom Incl pos no 9210 9210 9211 9201 9202 9203 9204 9205 ...

Page 24: ...8 5 ...

Page 25: ......

Page 26: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538061 03 07 ...

Reviews:

No comments

Related manuals for Beolab 4000 MKII 6642

AM2 - SCHEMATICS

Brand: Martin Audio Pages: 1

Brand: Mach Pages: 16

Brand: Dali Pages: 8

Brand: IFINITY Pages: 18

Brand: JBL Pages: 2

Brand: JBL Pages: 8

Brand: Tannoy Pages: 10

Brand: Jam Audio Pages: 6

Brand: Xblitz Pages: 40

Brand: JAMO Pages: 21

Brand: Hama Pages: 28

Brand: Hama Pages: 28

Brand: Canon Pages: 12

Brand: Eclipse TD Pages: 10

Brand: B&W electronics Pages: 13

Brand: LaCie Pages: 13

Brand: OFT Pages: 9

Brand: Cambridge SoundWorks Pages: 12

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands