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BeoLab 4

Type 6650

, 6652

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 !

Содержание BeoLab 4

Страница 1: ...6650 6652 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...

Страница 2: ...y of modules 1 1 How to service 1 2 Warnings Insulating test 2 1 Adjustments 3 1 Repair tips 4 1 Disassembly 5 1 Speci cation guidelines for service use 6 1 Block diagram 7 1 Wiring diagram 7 2 Availa...

Страница 3: ...1 1 Survey of modules PCB1 Ampli er PCB2 SMPS PCB3 Filter PCB4 LED PCB5 Switch PCB6 Input Survey of modules 4 5 6 1 2 3...

Страница 4: ...ist of four boxes This setup allows our packaging department to pack the speci c order for the customer no matter which country it goes to or the colour chosen Installation and setting up Only the swi...

Страница 5: ...e loudspeaker unit must be replaced it is easily done without adjustment due to the speci cations of the unit Mechanics All cabinet parts as e g the socket panel can be changed on site All surfaces ca...

Страница 6: ...aving 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 cir...

Страница 7: ...1 Adjustments Adjustments after replacing PCB3 or PCB5 Read out the adjustment position of the old potentiometers VR601 VR701 and set the new potentiometers to the same position PCB3 VR601 PCB5 VR701...

Страница 8: ...yed The Power Link cable must be of type MK III or higher The ground connection in Power Link cable lower than MK III may be insuf cient for optimum sound performance The loudspeaker units can be chec...

Страница 9: ...Disassembly 5 1 Pull off front covers Remove front cover...

Страница 10: ...5 2 Remove woofer 4x TX20 Remove screws Remove cables Cables Pull off front cover Remove cables ESD PCB xx ESD Mat Do not pull release lock...

Страница 11: ...Remove tweeter 5 3 2x TX20 Remove screws Remove cables Do not pull release lock Cables Pull off front cover Remove cables ESD PCB xx ESD Mat...

Страница 12: ...Remove plug Remove screws 5 1 Remove front cover 5 2 Remove woofer 5 3 Remove tweeter Pull off cabinet Remove plug 1P301 3P612 ESD PCB xx ESD Mat Remember to transfer label to new cabinet Note that t...

Страница 13: ...Replace port 5 5 Remove screws Lift off port as shown 2x 5 4 Remove cabinet...

Страница 14: ...5 6 Replace PCB1 Ampli er Gently pull off bracket with PCB1 mounted 2x Remove screws 5 4 Remove cabinet 5 5 Remove port Remove screws and pull off PCB1 4x ESD PCB xx ESD Mat...

Страница 15: ...Replace PCB2 SMPS 5 7 Remove screws Remove plugs 5 4 Remove cabinet Pull off PCB2 6x 2P1 2P2 ESD PCB xx ESD Mat...

Страница 16: ...5 8 Replace PCB3 Filter Remove screws Remove plugs 5 4 Remove cabinet Gently pull off PCB1 and PCB3 6x Pull off PCB1 3P606 2P2 3P610 ESD PCB xx ESD Mat...

Страница 17: ...Replace PCB5 Switch 5 9 Remove screws 5 4 Remove cabinet 5 5 Remove port 5 8 Remove PCB3 Filter Pull off as shown Be aware of the cables Remove plugs 4x 5P602 5P603 Remove screws 4x ESD PCB xx ESD Mat...

Страница 18: ...5 10 Replace PCB6 Input Remove screw 5 4 Remove cabinet 5 5 Remove port 5 8 Remove PCB3 Filter Remove bracket 1x 5 9 Remove PCB5 Switch 1x ESD PCB xx ESD Mat...

Страница 19: ...Replace bottom plate 5 11 Remember to transfer label 5 4 Remove cabinet 5 5 Remove port 5 7 Remove PCB2 SMPS 5 9 Remove PCB5 Switch 5 8 Remove PCB3 Filter 5 10 Remove PCB6 Input...

Страница 20: ...5 12...

Страница 21: ...nearization Input sensitivity Power Link 125 mV 88 dB SPL Input sensitivity line 125 mV 88 dB SPL Auto switch on Switch off time line 3 min Indicator LED for on green or off red Operation Free Wall or...

Страница 22: ...7 1 Block diagram Block diagram VR701 VR601...

Страница 23: ...7 2 Wiring diagram Wiring diagram...

Страница 24: ...lable parts Available parts BeoLab 4 9001 9002 9003 9004 9001 9006 9008 9007 9001 9009 9010 9011 9012 9013 9014 1 3 4 5 2 6 Incl pos no 9006 9005 1 1 1 1 1 1 2 2 4 4 3 5 3 3 3 5 5 5 3 3 3 3 3 3 3 3 3...

Страница 25: ...1096 Housing 9012 3340290 Gasket 9013 3458134 Port 9014 3340292 Gasket 1Module 8002619 PCB1 Ampli er 2Module 8002620 PCB2 SMPS 3Module 8002621 PCB3 Filter 4Module 8002622 PCB4 LED 5Module 8002623 PCB5...

Страница 26: ...4 1 2 2 2 2 Incl pos nos 9102 1 9101 3932011 Tube incl pos nos 9102 1 9102 2369004 Cable clip 9103 3162238 Cover plate 9104 3103392 Rubber foot 1 2046017 Screw 6 x 16mm 2 3390078 Bag w parts 3390082 C...

Страница 27: ...Available parts 8 4 Packing Floor Stand 9301 9301 9302 9303 9301 3396330 Foam packing set 9302 3016012 Guide f cover plate 9303 3392486 Outer carton...

Страница 28: ...8 5 Available parts Ceiling bracket 2177 1217711 3507401 Guide Wall bracket 2179 1217911 3507403 Guide...

Страница 29: ......

Страница 30: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538032 12 06 A...

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