Summary of Contents for Bang & Olufsen BeoLab 9 6217
Page 1
BeoLab 9 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 !
CONTENTS Survey of modules ..............1.1 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 ................
How to service How to service Strategy BeoLab 9 has been split-up into as few service items as possible. Each service- friendly item is packed individually, prepared for worldwide transport, and has a separate seven digit spare part number to be found in the Bang & Olufsen Retail System or the Service Manual.
Page 5
How to service Handling and cleaning Static electricity Static electricity may damage the product. STATIC ELECTRICITY MAY DESTROY THE Static-protective field service kit. PRODUCT A static-protective field service kit must always be used when the product is disassembled or modules are being handled. Follow the instructions in this Service Manual and use the ESD-mat for both old and new modules.
Fault flow chart 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 ..
Fault flow chart Fault symptom: - No red light in STANDBY Note: Possible causes: - Fuse F Ground is - PCB4, Power Supply chassis - Module 999, Amplifier Connect a Master Link cable from e.g. a BeoSound 4, to BeoLab 9. Make sure that S0 is set to either L or R.
Page 9
Fault flow chart Select e.g. Radio or Check Power Link CD on the cable and Audiomaster, and Audiomaster. Confirm 5V on PCB4, press GO on Beo4 Reconnect/replace if Power Supply P14 pin nescessarry. Does BeoLab 9 turn (This is not covered in on (Green light in this fault flow chart) LED)
Fault flow chart From previous page Fault symptom: - No sound, but green LED is OK Possible causes: - Module 999, Amplifier Go to box Is there no sound, but the green LED is OK? further down on page Replace Module 999, Amplifier Note: It wil give the best result if it is possible to...
Fault flow chart Note: It wil give the best result if it is possible to use a audio test CD with pure sine waves and an oscilloscope, when measuring on Fault symtom: the woofer or midrange - No sound from midrange, but tweeter and woofer is OK Possible cause: - Midrange...
Fault flow chart Fault symptom: - No function of the PCB7, NTC Possible cause: - PCB7, NTC Fig - Cable W4 - Module 999, Amplifier Black Is the loudspeaker in protection mode? Visual confirm cable connection between Reconnect/replace Replace Module 999, Replace PCB7, NTC cable Module 999, Amplifier...
Adjustments Adjustments Adjustments described Speaker driver adjustment. The speakers are individually measured and the speaker driver must be adjusted accordingly. Adjustment must be performed when either speaker or speaker driver is replaced. Access to adjustment points The adjustment points are placed on the socket panel on the back of the product. TW: Tweeter MR: Midrange WO: Woofer...
Repair tips Repair tips Hum in speaker when no music is played The Power Link cable must be of type MK III or higher. Power Link MK III The ground connection in Power Link cable lower than MK III may be insufficient for optimum sound performance.
Final check after repair Final check after repair Final check after repair The final check after repair describes the activities that are needed to ensure the product will be returned in perfect condition to the customer. The content is: – Insulation test. –...
Replacement of modules Replacement of modules Modules that can be replaced BeoLab 9 in service position ........4.2 Replace PCB3, LED ............. 4.4 Replace PCB4, Power Supply ........4.6 Replace 999Module, Amplifier ........4.7 Replace tweeter ............4.9 Replace midrange ............ 4. Replace woofer ............
BeoLab 9 in service position - Remove cover - Remove cables connected to BeoLab 9 - Remove cover, top - Use Special tool - Remove screws for lens 2.5mm...
Page 19
BeoLab 9 in service position - Gently lift off lens - Pull off fabric frame...
Replace PCB3, LED - Remove cover - Remove cables connected to BeoLab 9 - Remove cover, top - Use Special tool - Remove screws for lens 2.5mm...
Page 21
Replace PCB3, LED - Gently lift off lens - Remove screws and pull of lens top Remove cable 3P25 TX20 - Remove screws and pull off PCB3, LED with chassis TX10 - Remove screws for PCB3, LED TX10...
Replace 999Module, Amplifier + 4.2 BeoLab 9 in service position - Remove screws TX20 - Flip down heat sink as shown - Remove cables from woofer - Remove cables as shown 1P10 4P15 4P14...
Page 24
Replace 999Module, Amplifier - Remove screws as shown TX20 - Remove screws as shown TX10 - Remove cable on backside of 999Module, Amplifier...
Specification guidelines for service use Specification guidelines for service use BeoLab 9 Type number 627 Dimensions W x H x D 775mm x 400mm x 300mm Dimensions W x H x D, incl. packaging two pcs. in one carton box 004mm x 800mm x 600mm Weight 6.6 kg...