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Bang & Olufsen BeoLab 9 6217, Service Manual

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Bang & Olufsen BeoLab 9 6217 Service Manual Download Page 7

Fault flow chart     2. 

Fault flow chart

No red light in STANDBY   ......................................................   2.2
No sound, but green LED is OK   ............................................   2.4
No sound from woofer, but tweeter and midrange is OK   .....   2.4
No sound from midrange, but tweeter and woofer is OK   .....   2.5
No sound from tweeter, but midrange and woofer is OK   .....   2.5
No function of the PCB7, NTC   .............................................   2.6
No function of S and S2   .....................................................   2.6

Summary of Contents for BeoLab 9 6217

Page 1: ...Type 6217 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: ...1 How to service 1 2 Fault flow chart 2 1 Adjustments 3 1 Repair tips 3 2 Final check after repair 3 3 Replacement of modules 4 1 Specification guidelines for service use 5 1 Block diagram 6 1 Wiring diagram 6 3 Available parts 7 1 ...

Page 3: ...PCB1 Cross Over PCB2 LC Filter PCB3 LED PCB4 Power Supply PCB5 ICEpower Amplifier PCB7 NTC 999Module Chassis complete incl PCB1 PCB2 PCB5 4 999 7 3 Survey of modules Survey of modules 1 ...

Page 4: ...System under Exchange Module To help the Bang Olufsen Module Repair department it is very important to answer the following questions 1 Which products are in the setup 2 Which software versions are used in these products 3 How are the products linked together 4 What happens in the actual situation All service repair will be on module level by means of the back up suitcase Service Manuals in other ...

Page 5: ...t and the ESD mat The chassis or modules must always be connected to the static protective field service kit or placed in an ESD proof bag Symbol of safety components When replacing components with this symbol the same type has to be used also the same values for ohm and watt The new component is to be mounted in the same way as the replaced one Transport and handling It is recommended to use the ...

Page 6: ...1 ...

Page 7: ...2 No sound but green LED is OK 2 4 No sound from woofer but tweeter and midrange is OK 2 4 No sound from midrange but tweeter and woofer is OK 2 5 No sound from tweeter but midrange and woofer is OK 2 5 No function of the PCB7 NTC 2 6 No function of S1 and S2 2 6 ...

Page 8: ...or R Connect mains to BeoLab 9 Is there red light in the LED on top of BeoLab 9 Reconnect mains Confirm mains on PCB4 Power Supply P13 pin1 and 2 If possible check fuse F1 on PCB1 Cross Over Replace fuse F1 Replace PCB4 Power Supply Confirm 4 2V on PCB1 Cross Over P9 pin 2 Replace Module 999 Amplifier Replace PCB3 LED No Yes Confirm 5V on PCB4 Power Supply P14 pin1 Confirm mains in the mains wire ...

Page 9: ...hart Confirm 12V on PCB4 Power Supply P14 pin 3 Replace PCB4 Power Supply Replace PCB4 Power Supply No Yes Confirm 44V on PCB4 Power Supply P15 pin 4 Replace PCB4 Power Supply Confirm 44V on PCB4 Power Supply P15 pin 5 Go to next page Confirm 12V on PCB4 Power Supply P14 pin 5 Replace PCB4 Power Supply Confirm 66V on PCB4 Power Supply P15 pin 6 Replace PCB4 Power Supply Confirm approx 4 7V on PCB4...

Page 10: ...ure to use a differential probe or make sure that the oscilloscope and the product is not connected to earth Fault symptom No sound from woofer but tweeter and midrange is OK Possible cause Woofer Module 999 Amplifier Turn volume on the Audio Master up to 50 Confirm an AC Sound signal by means of the Bar graph on the multimeter or an oscilloscope when measuring across the woofer input terminals Fr...

Page 11: ... mains from the product Remove the black wire from the midrange Measure the resistance across the midrange terminals Approx 6 1 ohm Replace midrange Replace Module 999 Amplifier Fault symtom No sound from tweeter but midrange and woofer is OK Possible cause Tweeter Module 999 Amplifier Turn volume on the Audio Master up to 50 Confirm an AC Sound signal by means of the Bar graph on the multimeter o...

Page 12: ...mplifier To confirm correct operation of the NTC measure approx 9 35V DC at normal room temperature as shown in fig 1 When the temperature is rising the DC voltage is going towards 0 Note When the loudspeaker goes into protection mode it is nescessarry to disconnect mains and wait one minute before connecting it again Fault symptom No function of S1 and S2 Possible cause Module 999 Amplifier Is th...

Page 13: ...er is replaced Access to adjustment points The adjustment points are placed on the socket panel on the back of the product Speaker adjustment table Adjustments 3 1 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 TW MR WO TW Tweeter MR Midrange WO Woofer Speaker value from Switch position label on speaker 1 8 2 3 0 1 3 1 7 1 0 8 1 2 2 0 3 0 7 3 0 2 0 2 4 0 3 0 7 5 0 8 1 2 6 1 3 1 7 7 1 ...

Page 14: ...9 is operating Orange BeoLab 9 is shut down due to thermal overload If the LED Status is orange turn off and disconnect the product from the mains Wait for minimum 5 minutes for the speaker to cool down Connect mains and turn on BeoLab 9 If the LED status still is orange the fault may be due to 1 Woofer protection perform speaker check 2 Tweeter protection perform speaker check 3 Midrange protecti...

Page 15: ...ing the product it is essential that both terminals of the insulation tester have good contact During the test the current must not exceed 5 mA Slowly increase the voltage on the insulation tester until a voltage of 2 5 kV ac is obtained Maintain the voltage level for one second then slowly decrease the voltage to 0 V ac Restore setup Ensure that The F W C switch is in correct position The plug is...

Page 16: ...3 4 ...

Page 17: ... 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 Module...

Page 18: ...4 BeoLab 9 in service position Remove cables connected to BeoLab 9 Remove cover 2x 3mm Remove cover top Remove screws for lens Use Special tool 3x 2 5mm ...

Page 19: ...4 BeoLab 9 in service position Gently lift off lens Pull off fabric frame ...

Page 20: ...4 Replace PCB3 LED Remove cables connected to BeoLab 9 Remove cover 2x 3mm Remove cover top Remove screws for lens Use Special tool 3x 2 5mm ...

Page 21: ...4 Replace PCB3 LED 3x TX10 3x TX20 3P25 Gently lift off lens Remove screws and pull off PCB3 LED with chassis Remove screws for PCB3 LED 1 3 2 Remove screws and pull of lens top Remove cable 4x TX10 ...

Page 22: ...4 Replace PCB4 Power Supply 4 2 BeoLab 9 in service position Remove screws 12x TX20 Flip down heat sink as shown Remove cables Remove screws 9x TX10 4P15 4P14 4P13 ...

Page 23: ...4 Replace 999Module Amplifier 4 2 BeoLab 9 in service position Remove screws 12x TX20 Flip down heat sink as shown Remove cables from woofer Remove cables as shown 4P15 4P14 1P10 1P9 ...

Page 24: ...4 Replace 999Module Amplifier 3x TX20 3x TX10 1P2 Remove screws as shown Remove screws as shown Remove cable on backside of 999Module Amplifier ...

Page 25: ...4 Replace tweeter Remove cables connected to BeoLab 9 Remove cover 2x 3mm Remove cover top Remove screws for lens Use Special tool 3x 2 5mm ...

Page 26: ...4 10 Replace tweeter 3x TX10 3x TX20 3P25 Gently lift off lens Remove tweeter cover Remove screws for tweeter 1 3 2 Remove screws and pull of lens top Remove cable ...

Page 27: ...4 11 Replace midrange 4 2 BeoLab 9 in service position Remove screws Remove cables 4x TX20 ...

Page 28: ...4 12 Replace woofer 4 2 BeoLab 9 in service position Remove screws Remove cables remember NTC 4x TX20 ...

Page 29: ...4 13 Replace rubber foot Remove screw Pull off bracket 1x TX10 Pull off rubber foot ...

Page 30: ...4 14 ...

Page 31: ... volume midrange 4 litres Woofer 10 250mm cone Midrange 5 125mm cone Tweeter 3 4 19mm dome in acoustic lens Bass equalization ABL Adaptive Bass Linearization Input sensitivity Power Link and line 125mV 91dB SPL Switch off time line Automatic on off up to 3min Indication On Off LED placed in the acoustic lens Operation Switch for Free standing Against wall In corner Switch for Left Right Line via P...

Page 32: ...5 ...

Page 33: ...6 1 Block diagram Block diagram 6 1 6 1 Block diagram Module 999 PCB4 PCB5 ...

Page 34: ...6 2 6 2 6 2 ...

Page 35: ...cro Match Soldered into PCB 1 Cross Over Micro Match Soldered into PCB JST 2mm JST 2mm JST XA W2 W3 W5 8 ohm Tweeter Lens W4 JST VH 2 LC Filter Micro Match JST SAN Soldered into PCB JST SDN Soldered into PCB 7 ICE Power Amplifier JST PH Molex Micro Fit 5 W7 8 ohm Midrange 4 ohm Woofer W9 3 W8 LED W6 Module 999 Amplifier NTC ...

Page 36: ...0 9021 9019 9022 9024 9025 4 999 7 3 1 1 2 2 2 3 3 3 3 3 3 3 4 4 4 5 5 5 8 7 6 6 6 6 6 6 6 6 6 6 6 6 10 11 11 11 11 11 11 11 11 11 3 3 3 12 12 12 10 9 9 9 10 10 10 10 10 10 10 10 10 10 10 3 6 6 6 6 6 6 6 6 6 6 6 6 4 4 9 9 9 9 13 13 11 11 9026 Incl pos no 1 Incl pos nos 9010 9011 Incl pos nos 9016 9017 9020 9021 9 10 Incl pos nos 9018 9019 9022 9024 3 4 11 9 13 3 Incl pos no 9022 Incl pos no 9008 9...

Page 37: ...021 2954004 Rubber foot 9022 3947304 Gasket 9023 3358277 Heat sink incl pos nos 9018 9019 9022 9024 3 4 11 9 13 9024 3151552 Wire holder 9025 3160408 Cover 9026 6100273 Mains wire EU 6100329 Mains wire UK 6100307 Mains wire US 6100332 Mains wire AUS 6100386 Mains wire KOR 6100331 Mains wire JPN 6100047 Mains wire CHN 9027 6270688 Powerlink cable black 5m 3Module 8003276 PCB3 LED 4Module 8003325 PC...

Page 38: ... Back up suitcase 3376000 Product cover 3040017 Special tool Accessories 6270856 Cable RCA phono to PL Line in black 5m 6270433 Adapter mini jack male RCA female x 2 Packing 3393016 Outer carton top bottom 3396425 Packing complete 3392768 Pallet Available documentation See Retail Ordering System ...

Page 39: ......

Page 40: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538063 02 07 ...

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