Bang & Olufsen BeoLab 18 Service Manual
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Bang & Olufsen BeoLab 18 Service Manual

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BeoLab 18
Type 6807, 6827, 6834 - 6839, 6847
Service Manual - version 1.2
English
132.4
20.0
20.0
13.5

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Summary of Contents for Bang & Olufsen BeoLab 18

  • Page 1 BeoLab 18 Type 6807, 6827, 6834 - 6839, 6847 Service Manual - version 1.2 English 132.4 20.0 20.0 13.5...

  • Page 2: Table Of Contents

    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 .................

  • Page 3: Survey Of Modules

    Survey of modules Survey of modules Modules: PCB2.1 Digital Connector PCB2.2 Analogue Connector PCB04 Power Supply PCB30 Digital Sound Engine 82.1 PCB35 Amplifier 82.2 PCB47 LED Indicator 82.3 PCB48 NTC Tweeter PCB48 NTC Woofer PCB89 Wireless Power Link Rx Antenna: 82.1 Wireless Antenna 82.2...

  • Page 4: How To Service

    How to service How to service Strategy This product is to be serviced in the customer’s home. The repair involves replacement of the module(s), which are supplied in the back- up suitcase. The replaced modules must be returned for repair at the Bang & Olufsen Module Repair department.
  • Page 5 How to service Warnings when handling Static electricity Static electricity may damage the product. The integrated circuits operates with STATIC ELECTRICITY very low voltages, and that makes the product extremely sensetive to static MAY DESTROY THE PRODUCT electricity. Static-protective field service kit A static-protective field service kit must always be used when the product is disassembled or modules are being handled, since the internal electronics are very sensitive to static electricity.

  • Page 7: Troubleshooting - Fault Flow Chart

    Troubleshooting - Fault flow chart Troubleshooting LED indicator ................... 2.2 Description of LED indications ............2.2 Product Information - Usage data ............ 2.3 Error Log ..................2.3 Speaker unit test ................2.4 NTC module test ................2.4 Sound test ..................2.5 Fault flow chart No function and no LED indication ...........

  • Page 8: Troubleshooting

    Troubleshooting Troubleshooting LED indicator The LED at the top of the speaker indicates the state of the product by changing colour (red/orange/green), flashing or solid. If errors occur during operation, the product will enter an error state and the LED will start flashing quickly orange. Description of LED indications - Green Solid (10 seconds duration):...

  • Page 9: Product Information - Usage Data

    - Be sure that ServiceTool is updated to the latest version. If not, upgrade and restart ServiceTool. - Scroll down to BeoLab section. - Select BeoLab 18 and click Launch. - Click on the PRODUCT tab (if not already shown). - Click + next to each item to expand the menus.

  • Page 10: Speaker Unit Test

    Troubleshooting Speaker unit test Measure the DC resistance of the speaker unit to determine if the fault is caused by a defective speaker unit. It is recommended to measure on the terminals on the speaker unit. The speaker units must be disconnected from the product. Speaker unit Nominal value Limits...

  • Page 11: Sound Test

    - Be sure that ServiceTool is updated to the latest version. If not, upgrade and restart ServiceTool. - Scroll down to BeoLab section. - Select BeoLab 18 and click Launch. - Click on the PRODUCT tab (if not already shown). - Click + next to each item to expand the menus.

  • Page 12: Fault Flow Chart

    Fault flow chart Fault flow chart Fault symptom: No function and no LED indication Possible causes: Defective PCB04, Power Supply Is the speaker in a Defective PCB30, Digital Sound Engine wireless setup Defective PCB35, Amplifier Incorrect role switch setting Confirm that the Confirm that the role switch setting role switch setting...

  • Page 13: Led Indicator Is Flashing Slowly Orange

    Fault flow chart Fault symptom: LED indicator is flashing slowly orange (the product is close to overheating) Possible causes: Defective PCB30, Digital Sound Engine Defective PCB35, Amplifier Defective PCB48, NTC Tweeter Defective PCB48, NTC Woofer Defective speaker unit Disconnect product from mains, wait 2 Read out the Replace the...

  • Page 14: Led Indicator Is Flashing Quickly Orange

    Fault flow chart Fault symptom: LED indicator is flashing quickly orange (The product is in protection mode) Possible causes: Defective PCB30, Digital Sound Engine Defective PCB35, Amplifier Defective PCB48, NTC Tweeter Defective PCB48, NTC Woofer Defective speaker unit Disconnect product Connect ServiceTool Make an from mains, wait 2...

  • Page 15: No Sound From Speaker In A Wired Setup

    Fault flow chart Fault symptom: No sound from speaker in a wired setup Possible causes: Defective PCB04, Power Supply Defective PCB30, Digital Sound Engine Defective PCB35, Amplifier Incorrect role switch setting Confirm that the role switch setting is correct Set role switch Check connection Disconnect W4 Confirm 28V at...

  • Page 16: No Sound From Speaker In A Wireless Setup

    2.10 Fault flow chart Fault symptom: No sound from speaker in a wireless setup Possible causes: Defective PCB04, Power Supply Defective PCB30, Digital Sound Engine Defective PCB35, Amplifier Defective PCB89, Wireless Power Link Rx Incorrect role switch setting Confirm that the role switch setting Repair/replace is correct...

  • Page 17: The Signal For Wireless Connection Is Low

    Fault flow chart 2.11 Fault symptom: The signal for wireless connection is low Possible causes: Defective PCB30, Digital Sound Engine Defective PCB89, Wireless Power Link Rx Defective Wireless Antenna Interference from other wireless systems Distance to transmitter too long (out of range) Reset the speaker Confirm that the distance The distance must...

  • Page 18: Distorted Sound From Speaker

    2.12 Fault flow chart Fault symptom: Distorted sound from speaker Possible causes: Defective PCB04, Power Supply Defective PCB30, Digital Sound Engine Defective PCB35, Amplifier Defective PCB89, Wireless Power Link Rx Defective speaker unit Locate and replace Distorted sound the distorted Replace PCB30, from both speaker speaker unit...
  • Page 19 Survey of plugs and pins 2.13 2.13 Survey of plugs and pins 2.13 PCB04, Power Supply PCB89, Wireless Power Link Rx...
  • Page 20 2.14 2.14 2.14...

  • Page 21: Adjustments

    Adjustments - Final check after repair Adjustments Information ..................3.2 PCB30, 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 ...................

  • Page 22: Information

    Adjustments Adjustments Information Depending on the repair there might be different kinds of adjustments/alignment to be performed, after maintenance of the product. Some adjustments has to be done with ServiceTool. Adjustments or calibration is necessary when the following modules are replaced: PCB30, Digital Sound Engine - when backup function is possible: - Restore product data from the data backup - Calibration of the amplifier (done automatically)
  • Page 23 - Product settings - Wireless data - A new calibration of the amplifier is performed again. Connect ServiceTool, launch BeoLab 18 and follow the procedure under Repair -> Chassis. ID Restore The ID Restore function is used when PCB30, Digital Sound Engine is replaced and it is not possible to communicate with the old module.
  • Page 24 - Product settings - Wireless data - A new calibration of the amplifier is performed again. Connect ServiceTool, launch BeoLab 18 and follow the procedure under Repair -> Chassis. Connecting speaker wirelessly After replacement of PCB89, Wireless Power Link Rx the speaker must be set up in the wireless system correctly.
  • Page 25 Replace The replace function in ServiceTool is used when it is not possible to perform a Backup/Restore of the module. Connect ServiceTool, launch BeoLab 18 and follow the procedure under Repair -> Chassis. Connecting speaker wirelessly After replacement of PCB89, Wireless Power Link Rx the speaker must be set up in the wireless system correctly.

  • Page 26: Software Update

    - Be sure that ServiceTool is updated to the latest version. If not, upgrade and restart ServiceTool. - Scroll down to BeoLab section. - Select BeoLab 18 and click Launch. - Click on the PRODUCT tab (if not already shown). - Click + next to each item to expand the menus.

  • Page 27: 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. Follow the procedures below: Insulation test The product must be insulation tested after having been dismantled. Make the test when the product has been reassembled and is ready to be returned to the customer.
  • Page 29 All modules must be placed on the ESD-mat or in an ESD-proof bag. After replacement of modules - When BeoLab 18 has been disassembled, all affected sealings must be visually checked and replaced, if damaged. - Calibration of speaker driver is necessary when a speaker unit is replaced. Refer to adjustment page 3.5.

  • Page 30: Replacement Of Modules

    Replacement of modules BeoLab 18 in service position 1 - Pull off sides of front cover - Lift and pull off front cover - Remove rubber cover from connector panel - Disconnect external cables...
  • Page 31 - Pull off floor base - Place speaker in service position BeoLab 18 mounted on wall bracket - Remove nut from wall bracket, use special tool - Lift BeoLab 18 off the wall bracket - Place speaker in service position...

  • Page 32: Beolab 18 In Service Position 2

    Replacement of modules BeoLab 18 in service position 2 - Remove screws TX20 - Remove screws TX20 - Gently pull up baffle with speaker units ! Attention cables - Disconnect cables – 48P1 –...
  • Page 33 Replacement of modules - Remove damping foam - Remove small piece of damping foam - Release tape on extension cable from PCB47 - Disconnect cables 48P1 Extension cable from PCB47 - Disconnect cables –...

  • Page 34: Beolab 18 In Service Position

    Replacement of modules BeoLab 18 in service position 3 ☞ 4.2 BeoLab 18 in service position 1 ☞ 4.4 BeoLab 18 in service position 2 - Gently pull off aluminium cone - Remove screw (if present) TX15 - Remove screws TX20 - Gently lift up chassis with modules...

  • Page 35: Replace Pcb2.1, Digital Connector

    Replacement of modules 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, Digital Sound Engine - Remove screws TX10 - Slide off cover - Remove screws - Lift up PCB2.1, Digital Connector...

  • Page 36: Replace Pcb2.2, Analogue Connector

    Replacement of modules Replace PCB2.2, Analogue 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, Digital Sound Engine ☞ 4.7 Remove PCB2.1, Digital Connector - Remove screws...

  • Page 37: Replace Pcb04, Power Supply

    Replacement of modules Replace 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 35P1 - Disconnect cables 30P3 30P4 - Remove screws...

  • Page 38: Replace Pcb30, Digital Sound Engine

    4.10 Replacement of modules Replace PCB30, Digital Sound Engine ☞ 4.2 BeoLab 18 in service position 1 ☞ 4.4 BeoLab 18 in service position 2 ☞ 4.6 BeoLab 18 in service position 3 - Gently release tape - Disconnect antenna wires with the special tool, Extraction jig, U.FL series...
  • Page 39 Replacement of modules 4.11 - Remove screws ! Screw include a cable tie TX10 - Remove screws TX10 - Gently pull off PCB89, Wireless Power Link Rx...

  • Page 40: Replace Pcb35, Amplifier

    4.12 Replacement of modules Replace PCB35, Amplifier 35P2 ☞ 4.2 BeoLab 18 in service position 1 ☞ 4.4 BeoLab 18 in service position 2 ☞ 4.6 BeoLab 18 in service position 3 35P3 - Disconnect cables 35P1 - Remove screws TX10 - Remove screws...

  • Page 41: Replace Pcb47, Led Indicator

    Replacement of modules 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 TX15 - Disconnect cable 47P1 - Remove screw...

  • Page 42: Replace Pcb48, Ntc Woofer

    4.14 Replacement of modules Replace PCB48, NTC Woofer ☞ 4.2 BeoLab 18 in service position 1 - Remove screws TX20 - Disconnect cables 48P1 – - Remove screw TX10...

  • Page 43: Replace Pcb48, Ntc Tweeter

    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...

  • Page 44: Replace Pcb89, Wireless Power Link Rx

    4.16 Replacement of modules Replace 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...

  • Page 45: Replace 82.1, 82.2, 82.3 Wireless Antennas

    Replacement of modules 4.17 Replace 82.1, 82.2, 82.3 Wireless Antennas ☞ 4.2 BeoLab 18 in service position 1 ☞ 4.4 BeoLab 18 in service position 2 ☞ 4.6 BeoLab 18 in service position 3 ☞ 4.9 Remove PCB04, Power Supply 89J14 - Disconnect antenna wires with the special tool, 89J13 Extraction jig, U.FL series...

  • Page 46: Replace 82.4, Wireless Antenna

    4.18 Replacement of modules Replace 82.4, Wireless Antenna ☞ 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 antenna wires with the special tool, Extraction jig, U.FL series...

  • Page 47: Wireless Antennas (Disconnect And Connect)

    Replacement of modules 4.19 Wireless Antennas (disconnect and connect) Disconnecting Wireless Antennas - Disconnect antenna wire with the special tool, Extraction jig, U.FL series. Pull gently perpendicular to the PCB89 via the chain. ! When disconnecting antenna wires be careful not to damage the antenna plug or wire.

  • Page 48: Replace Tweeter

    4.20 Replacement of modules Replace Tweeter ☞ 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 TX15 - Remove screws TX10 - Gently pull tweeter house off the lens...

  • Page 49: Replace Woofers

    Replacement of modules 4.21 Replace Woofers ☞ 4.2 BeoLab 18 in service position 1 - Remove screws - Gently pull out woofers TX20 - Disconnect cables (* If present) *48P1 – - Remove screw and move PCB48, NTC to new woofer...
  • Page 50 4.22...

  • Page 51: Specification Guidelines For Service Use

    Specification guidelines for service use Specification guidelines BeoLab 18 Type survey Market Variant Type number Albania, Andorra, Argentina, Austria, Azerbaijan, Bahrain, Belgium, Botswana, Brazil, Bulgaria, Chile, 6807 Côte d’Ivory, Croatia, Czech Republic, Denmark, Egypt, Faroe Islands, Finland, France, Georgia, Germany,...
  • Page 52 Specification guidelines for service use Connections MAINS INLET C8 socket To see the different types of mains leads, see exploded view in the Retail Ordering System POWER LINK (X2) RJ45 sockets Pin 1 Not used Pin 2 PL_Data Pin 3 Signal GND Data GND Pin 4...

  • Page 53: Block Diagram

    Block diagram Block diagram Block diagram PCB48, NTC PCB30, Digital Sound Engine NTC1 AMP_EN_N PCB89, Wireless Power Link Rx DC_ERR_N 3V3_SB NTC1 Antenna PCB48, NTC NTC1 LRCLK ADC_MUX PL_DATA SCLK ADC_MUX_AX Antenna PL_ON PS_ON UART_TX MAINS_FAIL UART_TX UART_RX Antenna nLINK PWR_NTC UART_RX PCB47, LED Indicator...

  • Page 55: Wiring Diagram

    Wiring diagram Wiring diagram Wiring diagram 30/30pins P101 < < CON_PL_DATA PL_DATA < < CON_PL_ON PL_ON < < CON_PL_R PL_RIGHT CON_PL_GND_SENSE PL_GNDA 24/24pins 24/24pins < < CON_PL_L PL_LEFT > PL_GNDD MCLK < < CON_LINE_R > > LINE_RIGHT LRCLK CON_WL_I2S_WCLK 2/2pins CON_LINE_GND_R LINE_GND_SENSE >...
  • Page 56 Available parts Available parts Available parts BeoLab 18 *9003 *9003 - See Lens Remember to order 8 x pos. no. 2 1 x pos. no. 7 1 x pos. no. 8 9007 9018 Incl. pos. no. 9007, 9009, 9008 9010, 9018,9019...

  • Page 57: Available Parts

    Available parts BeoLab 18 9001 1605825 Cover, white 1605826 Cover, black 1605860 Cover, oak 1605862 Cover, walnut 1605803 Cover, maple 9002 8480518 Set of woofers 9003 3440359 Baffle - Remember to order 8 x pos. no. 2, 1 x pos. no. 7 and 1 x pos. no. 8...
  • Page 58 Available parts Lens Incl. pos. no. 9031, 9032 9030 9031 9032 Incl. pos. no. 9034 9033 9034 9035 9036 9037 9037 9038 9039...
  • Page 59 Available parts Lens 9030 3452460 Lens incl. pos. no. 9031, 9032 3452561 Lens, rose golden incl. pos. no. 9031, 9032 3452488 Lens, black incl. pos. no. 9031, 9032 9031 3947825 Gasket 9032 3340585 Gasket 9033 8480381 Tweeter incl. pos. no. 9034 9034 3947841 Gasket...
  • Page 60 Available parts Chassis with modules **9054 **9054 - 9060 Remember to order pos. no. 9004, 9005, 9051, 9056, 9060 and pos. no. 8, 36, 37 9061 9050 *82.1 *82.2 Remember to order Heat sink compound 9055 *82.3 *82.1 - *82.2 - 9056 *82.3 - *82.4 Remember to order...
  • Page 61 Available parts Chassis with modules 9050 3162950 Shielding 9051 3940024 Sealing 9052 3153762 Cover 9053 3110104 Holder 9054 3110090 Chassis - Remember to order pos. no. 9004, 9005, 9051, 9056, 9060 and pos. no. 8, 36, 37 9055 3376479 Insulation plate - Remember to order Heat sink compound 3984016 Heat sink compound 9056 3940006 Gasket 9057 3948090 Felt, 8mm x 1M 9058 3153761 Connector panel...
  • Page 62 Available parts Wires 6278886 Wire, Mains inlet See page 6.3 6278875 Wire, LED 6278888 Wire, DSE-PSU-LED 6278887 Wire, PSU-AMP 6200540 Wire, 30 pole 6200539 Wire, 24 pole 6278889 Wire, DSE-AMP – before serial no. 25526841 6279042 Wire, DSE-AMP – from serial no. 25526841 6278890 Wire, AMP-SPK 6033089 Wire, GND Parts not shown 3692000 Special tool for speaker 3634090 Extraction jig, U.Fl.
  • Page 63 Available parts Floor Base - type 2119 12119026 Black Not for sale 2624009 Washer 2380121 3103520 Rubber foot 3692000 Special tool for speaker Guide Can be downloaded from BeoWise...
  • Page 64 Available parts Wall Bracket - type 2120 12120011 Aluminium Not for sale Not for sale 2624009 Washer 2380121 3153800 Clamp 2099004 Screw 4 x 16mm 3692000 Special tool for speaker Guide Can be downloaded from BeoWise...
  • Page 66 Bang & Olufsen DK-7600 Struer Denmark 3538262 16-04...

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