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Bang & Olufsen BeoLab 18, Service Manual

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Bang & Olufsen BeoLab 18 Service Manual Download Page 2

CONTENTS

Survey of modules   ...................................................................  1.1

How to service   .........................................................................  1.2

Troubleshooting - Fault flow chart  

 ............................................  2.1

Adjustments  .............................................................................  3.1

Replacement of modules   ..........................................................  4.1

Specification guidelines for service use  

 .....................................  5.1

Block diagram   ..........................................................................  6.1

Wiring diagram   ........................................................................  6.3

Available parts   .........................................................................  7.1

Change log:

Ver. 1.0   .................................................................   Original release
Ver. 1.1   ...........................................................   Chapter 3 updated
Ver. 1.2   ...................................................... Available parts updated

Summary of Contents for BeoLab 18

Page 1: ...BeoLab 18 Type 6807 6827 6834 6839 6847 Service Manual version 1 2 English 132 4 13 5 20 0 20 0...

Page 2: ...ng Fault flow chart 2 1 Adjustments 3 1 Replacement of modules 4 1 Specification guidelines for service use 5 1 Block diagram 6 1 Wiring diagram 6 3 Available parts 7 1 Change log Ver 1 0 Original rel...

Page 3: ...r Supply PCB30 Digital Sound Engine PCB35 Amplifier PCB47 LED Indicator PCB48 NTC Tweeter PCB48 NTC Woofer PCB89 Wireless Power Link Rx Antenna 82 1 Wireless Antenna 82 2 Wireless Antenna 82 3 Wireles...

Page 4: ...he module s and must be returned with the defective module s Handling the error code error log a Make a note of the error code codes on the Exchange Module section and print it b Use the error code wh...

Page 5: ...void getting injured by mains voltage ESD ESD Mat STATIC ELECTRICITY MAY DESTROY THE PRODUCT Waste of Electrical and Electronic Equipment WEEE Electrical and electronic equipment parts and batteries m...

Page 6: ...1 4...

Page 7: ...TC module test 2 4 Sound test 2 5 Fault flow chart No function and no LED indication 2 6 LED indicator is flashing slowly orange 2 7 LED indicator is flashing quickly orange 2 8 No sound from speaker...

Page 8: ...quickly Associate mode ready for pairing Orange Flashing slowly The product is close to overheating and will shut down temporarily The product will eventually revert to normal operation Flashing quic...

Page 9: ...he procedure below Connect the ServiceTool to the SERVICE connector on the product as shown Use ServiceTool cable see Available parts together with Standard Ethernet cable Run ServiceTool Be sure that...

Page 10: ...its it is defective and must be replaced Under normal conditions it is not necessary to replace the gaskets on the speaker unit unless they have been damaged by accident NTC module test Measure the re...

Page 11: ...s the user to send a pure sound directly to the speaker unit This feature makes troubleshooting or testing more easy and targeted Run ServiceTool Be sure that ServiceTool is updated to the latest vers...

Page 12: ...2 and 28V at PCB04 P4 pin 7 8 OK Replace PCB30 Digital Sound Engine OK Confirm that the wireless connection between the speaker and the transmitter is OK OK Repair setup the wireless connection Repai...

Page 13: ...oofer wires disconnected Woofer 11 2 1 2 OK Read out the temperature Seems normal Replace PCB35 Amplifier Use ServiceTool to calibrate the new module Replace the suspected module related to the high t...

Page 14: ...e DC resistance of the woofer wires disconnected Woofer 11 2 1 2 OK Read out the temperature Seems normal Make an ID Restore Type in all product ID data from the product label Yes Replace PCB35 Amplif...

Page 15: ...s Connect Service Tool and read out Error Log Any suggestions Replace the suspected module related to the Error Log Replace PCB30 Digital Sound Engine Replace PCB35 Amplifier Use ServiceTool to calibr...

Page 16: ...n OK Replace PCB04 Power Supply Replace PCB30 Digital Sound Engine Confirm 3V at PCB04 P3 pin 3 OK Check connection between PCB04 Power Supply and PCB30 Digital Sound Engine OK Repair replace connecti...

Page 17: ...o visualize which 5 GHz channels are used and to see if there are other wireless systems in the area that could cause interference problems Check connections between PCB89 Wireless Power Link Rx and t...

Page 18: ...and 28V at PCB04 P4 pin 7 8 OK Replace PCB04 Power Supply Replace PCB30 Digital Sound Engine Confirm 3V at PCB04 P3 pin 3 OK Check connection between PCB04 Power Supply and PCB30 Digital Sound Engine...

Page 19: ...3 Survey of plugs and pins Survey of plugs and pins 2 13 2 13 P3 P4 P5 8 1 1 11 1 3 P1 L N P3 P4 P5 8 1 1 11 1 3 P1 L N P3 P4 P5 8 1 1 11 1 3 P1 L N 04 PCB89 Wireless Power Link Rx 89 PCB04 Power Supp...

Page 20: ...2 14 2 14 2 14...

Page 21: ...Digital Sound Engine 3 3 PCB35 Amplifier 3 3 PCB89 Wireless Power Link Rx when backup function is possible 3 4 PCB89 Wireless Power Link Rx when backup function is not possible 3 5 Speaker units 3 5...

Page 22: ...he data backup Calibration of the amplifier done automatically PCB30 Digital Sound Engine when backup function is not possible Restore product data from factory data ID Restore Calibration of the ampl...

Page 23: ...used when PCB30 Digital Sound Engine is replaced and it is not possible to communicate with the old module In this case it is necessary to get product data from the ServiceTool factory data from a dat...

Page 24: ...cting speaker wirelessly After replacement of PCB89 Wireless Power Link Rx the speaker must be set up in the wireless system correctly Depending on the setup there will be a few settings Setup with Be...

Page 25: ...simultaneously between 1 5 and 10 seconds to reset association on the BeoLab Transmitter 1 Press SELECT to make a rescan on BeoLab Transmitter 1 Setup with product equipped with Wireless Power Link T...

Page 26: ...ct the ServiceTool hardware from the service connector on the product to the service PC as shown Use ServiceTool cable see Available parts together with Standard Ethernet cable Run ServiceTool Be sure...

Page 27: ...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 Before the product is handed over to the customer ens...

Page 28: ...3 8...

Page 29: ...he product A static protective 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 b...

Page 30: ...4 2 Replacement of modules Pull off sides of front cover Lift and pull off front cover BeoLab 18 in service position 1 Remove rubber cover from connector panel Disconnect external cables...

Page 31: ...et use special tool Lift BeoLab 18 off the wall bracket Place speaker in service position BeoLab 18 mounted on wall bracket BeoLab 18 mounted on floor base Remove nut from floor base use special tool...

Page 32: ...4 4 Replacement of modules BeoLab 18 in service position 2 Remove screws Gently pull up baffle with speaker units Attention cables 16x TX20 Remove screws 6x TX20 Disconnect cables 48P1...

Page 33: ...Replacement of modules 4 5 Remove damping foam Release tape on extension cable from PCB47 Disconnect cables Remove small piece of damping foam Extension cable from PCB47 48P1 Disconnect cables...

Page 34: ...Gently lift up chassis with modules Remove screws 8x TX20 4 2 BeoLab 18 in service position 1 4 4 BeoLab 18 in service position 2 Gently pull off aluminium cone BeoLab 18 in service position 3 Remove...

Page 35: ...p PCB2 1 Digital Connector 3x TX10 Replace PCB2 1 Digital Connector 4 2 BeoLab 18 in service position 1 4 4 BeoLab 18 in service position 2 4 6 BeoLab 18 in service position 3 4 10 Remove PCB30 Digita...

Page 36: ...6 BeoLab 18 in service position 3 4 10 Remove PCB30 Digital Sound Engine 4 7 Remove PCB2 1 Digital Connector Remove screws Cut the foam tape along the dotted lines Gently lift up PCB2 2 Analogue Conn...

Page 37: ...ace PCB04 Power Supply 4 2 BeoLab 18 in service position 1 4 4 BeoLab 18 in service position 2 4 6 BeoLab 18 in service position 3 Disconnect cable 6x TX10 Lift up PCB04 Power Supply Disconnect cables...

Page 38: ...position 2 4 6 BeoLab 18 in service position 3 2x TX10 Remove screws Gently release tape Disconnect cables Disconnect antenna wires with the special tool Extraction jig U FL series When disconnecting...

Page 39: ...Replacement of modules 4 11 4x TX10 Remove screws 2x TX10 Remove screws Screw include a cable tie Gently pull off PCB89 Wireless Power Link Rx...

Page 40: ...place PCB35 Amplifier 4 2 BeoLab 18 in service position 1 4 4 BeoLab 18 in service position 2 4 6 BeoLab 18 in service position 3 2x TX10 Remove screws Screws include a washer Remove screws 4x TX10 Di...

Page 41: ...es 4 13 Replace PCB47 LED Indicator 4 2 BeoLab 18 in service position 1 4 4 BeoLab 18 in service position 2 Remove screws When reassembling remember to mount ground cable 3x TX15 1x TX8 47P1 Remove sc...

Page 42: ...4 14 Replacement of modules Replace PCB48 NTC Woofer 4 2 BeoLab 18 in service position 1 Remove screws 4x TX20 Disconnect cables 48P1 1x TX10 Remove screw...

Page 43: ...Replacement of modules 4 15 Replace PCB48 NTC Tweeter 4 2 BeoLab 18 in service position 1 4 4 BeoLab 18 in service position 2 Remove screw 1x TX8...

Page 44: ...ce PCB89 Wireless Power Link Rx 4 2 BeoLab 18 in service position 1 4 4 BeoLab 18 in service position 2 4 6 BeoLab 18 in service position 3 4 10 Remove PCB30 Digital Sound Engine Remove screws 2x TX10...

Page 45: ...ve PCB04 Power Supply Disconnect antenna wires with the special tool Extraction jig U FL series When disconnecting antenna wires be careful not to damage the antenna plug or wire see page 4 19 89J14 8...

Page 46: ...oLab 18 in service position 3 Disconnect antenna wires with the special tool Extraction jig U FL series When disconnecting antenna wires be careful not to damage the antenna plug or wire see page 4 19...

Page 47: ...ly perpendicular to the PCB89 via the chain When disconnecting antenna wires be careful not to damage the antenna plug or wire Connecting Wireless Antennas Connect antenna wire by placing the wire con...

Page 48: ...b 18 in service position 1 4 4 BeoLab 18 in service position 2 Remove screws When reassembling remember to mount ground cable Remove screws 3x TX15 3x TX10 3x TX10 Gently pull tweeter house off the le...

Page 49: ...ment of modules 4 21 Replace Woofers 4 2 BeoLab 18 in service position 1 Disconnect cables If present Remove screws Gently pull out woofers 8x TX20 48P1 1x TX10 Remove screw and move PCB48 NTC to new...

Page 50: ...4 22...

Page 51: ...ection NTC sensor Line sense auto on off Wireless Power Link Wireless Technology WiSATM 5GHz EFFECTIVE FREQUENCY RANGE is measured at 10 dB re Ref level 200 2000 Hz SENSITIVITY is measured at dB SPL 1...

Page 52: ...ia source Pin 5 Not used PL power up Pin 6 Audio Right in Pin 7 Signal GND Pin 8 Audio Left in SERVICE RJ45 socket Pin 1 Not used Pin 2 ATI_TX Pin 3 ATI_RX Pin 4 ATI_ON Pin 5 Not used Pin 6 Not used P...

Page 53: ...CB30 Digital Sound Engine PCB04 Power Supply PCB48 NTC PCB47 LED Indicator PCB2 1 Digital Connector PCB35 Amplifier PCB89 Wireless Power Link Rx PCB2 2 Analogue Connector NTC1 GND NTC P1 PCB48 NTC P2...

Page 54: ...6 2 6 2 6 2...

Page 55: ...H2_N GND CON_AMP1_EN_N CON_AMP1_DC_N CON_MONITOR1 CON_MONITOR2 CON_AMP1_NTC1 CON_AMP1_NTC2 CON_AMP2_GND_SENSE CON_AMP2_CH1_P CON_AMP2_CH1_N CON_AMP2_GND_SENSE CON_AMP2_CH2_P CON_AMP2_CH2_N GND CON_AMP...

Page 56: ...4 5 4 4 7 8 8 8 8 8 8 6 6 5 4 4 6 6 5 4 4 6 6 6 6 10 10 9 9 9 9005 Remember to order pos no 9004 9004 Remember to order pos no 9005 9006 9011 See Chassis w modules 9012 9013 9015 9016 9014 9017 9010...

Page 57: ...ng foam bottom 9014 3131380 Aluminium cone silver Remember also to order pos no 9015 3131511 Aluminium cone rose golden Remember also to order pos no 9015 3131509 Aluminium cone black Remember also to...

Page 58: ...7 3 Available parts Lens 20 21 21 21 21 21 21 20 47 48 9030 Incl pos no 9031 9032 9031 9032 9033 Incl pos no 9034 9034 9035 9036 9037 9037 9038 9039...

Page 59: ...1 3947825 Gasket 9032 3340585 Gasket 9033 8480381 Tweeter incl pos no 9034 9034 3947841 Gasket 9035 2622011 Thermal pad 9036 2566296 Tweeter house 9037 3940016 Gasket 9038 6150068 Light guide 9039 316...

Page 60: ...25 25 25 25 25 25 31 31 31 31 32 32 25 25 28 28 35 35 35 34 34 34 33 34 26 26 26 35 04 2 1 2 2 30 27 89 82 1 82 2 82 3 82 4 9050 9051 9052 9053 9055 9056 9058 9057 9059 9061 9060 9054 Remember to orde...

Page 61: ...Supply 30Module 8007882 PCB30 Digital Sound Engine 35Module 8007783 PCB35 Amplifier before serial no 25526841 8008202 PCB35 Amplifier from serial no 25526841 82 1Module 8720097 82 1 Wireless Antenna...

Page 62: ...AMP SPK W9 6033089 Wire GND Parts not shown 3692000 Special tool for speaker 3634090 Extraction jig U Fl series 3040017 Peeler 3376529 Product cover 3376599 Kit for re oiling lamellae Packing 3393989...

Page 63: ...able parts 7 8 50 2624009 Washer 51 2380121 Nut 52 3103520 Rubber foot 3692000 Special tool for speaker Guide Can be downloaded from BeoWise Floor Base type 2119 12119026 Black Not for sale 52 51 50 5...

Page 64: ...2624009 Washer 51 2380121 Nut 55 3153800 Clamp 57 2099004 Screw 4 x 16mm 3692000 Special tool for speaker Guide Can be downloaded from BeoWise Wall Bracket type 2120 12120011 Aluminium Not for sale No...

Page 65: ......

Page 66: ...Bang Olufsen DK 7600 Struer Denmark 3538262 16 04...

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