Bang & Olufsen BeoLab 19 Service Manual
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Bang & Olufsen BeoLab 19 Service Manual

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BeoLab 19
Type 6702 - 6710
Service Manual - version 1.0
English
German, French, Italian, Spanish, Dutch, Japanese, Korean and
Simplified Chinese versions are available in the Retail System
This Service Manual must be returned
with the defective parts/back-up suitcase !

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Summary of Contents for Bang & Olufsen BeoLab 19

  • Page 1 BeoLab 19 Type 6702 - 6710 Service Manual - version 1.0 English German, French, Italian, Spanish, Dutch, Japanese, Korean and Simplified Chinese versions are available in the Retail System This Service Manual must be returned with the defective parts/back-up suitcase !

  • 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 Front Woofer Back Woofer Modules: PCB02 Connector PCB04 Power Supply PCB05 Energy Buffer PCB30 Digital Sound Engine PCB35 Amplifier PCB47 LED Indicator PCB48 PCB89 Wireless Power Link Rx Speaker units: Front woofer Back woofer...

  • 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 front 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 19 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 19 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 wired/wireless switch setting Confirm that the Confirm that the wired/wireless wired/wireless...

  • Page 13: Led Indicator Is Constant Orange

    Fault flow chart Fault symptom: LED indicator is constant orange (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 14: 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 Defective speaker unit Disconnect product from mains, wait 2 Read out the Replace the minutes and temperature **...

  • Page 15: 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 Defective speaker unit Disconnect product Connect ServiceTool Make an from mains, wait 2 and read out product ID.

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

    2.10 Fault flow chart Fault symptom: No sound from speaker in a wired setup Possible causes: Defective PCB04, Power Supply Defective PCB05, Energy Buffer Defective PCB30, Digital Sound Engine Defective PCB35, Amplifier Incorrect wired/wireless switch setting Confirm that the wired/wireless Set the switch setting is Repair/replace...

  • Page 17: No Sound From Speaker In A Wireless Setup

    Fault flow chart 2.11 Fault symptom: No sound from speaker in a wireless setup Possible causes: Defective PCB04, Power Supply Defective PCB05, Energy Buffer Defective PCB30, Digital Sound Engine Defective PCB35, Amplifier Defective PCB89, Wireless Power Link Rx Incorrect wired/wireless switch setting Confirm that the wired/wireless Set the...

  • Page 18: Distorted Sound From Speaker

    2.12 Fault flow chart Fault symptom: Distorted sound from speaker Possible causes: Defective PCB04, Power Supply Defective PCB05, Energy Buffer 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,...
  • Page 19 Survey of plugs and pins 2.13 2.13 Survey of plugs and pins 2.13 PCB04, Power Supply PCB05, Energy Buffer +28V +28V +28V +28V GN DA GN DA GN DA GN DA -28V -28V -28V -28V PCB89, Wireless Power Link Rx...
  • Page 20 2.14 2.14 2.14...
  • Page 21 Adjustments Adjustments Information ..................3.2 PCB30, Digital Sound Engine ............3.2 PCB35, Amplifier ................3.3 PCB89, Wireless Power Link Rx ............3.3 Speaker units ................... 3.4 Software update ................3.4 Final check after repair ..............3.5...

  • Page 22: Information

    - Item number - Calibration of speaker units - Calibration of the amplifier - Product settings - Wireless data - A new calibration of the amplifier is performed again. Connect ServiceTool, launch BeoLab 19 and follow the procedure under Repair.

  • Page 23: Adjustments

    - Calibration of speaker units - Product settings - A new calibration of the amplifier is performed again. Connect ServiceTool, launch BeoLab 19 and follow the procedure under Repair. PCB35, Amplifier Calibration of the amplifier Calibration of the amplifier is necessary when PCB35, Amplifier is replaced. The aim is to ensure optimal sound.

  • Page 24: Speaker Units

    Use the read function to enable the calibration data fields. Connect ServiceTool, launch BeoLab 19 and follow the procedure under Adjustments. Software update It is very important that the product is updated to the latest software version before it is returned to the customer.

  • Page 25: Final Check After Repair

    Adjustments 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 27 All modules must be placed on the ESD-mat or in an ESD-proof bag. After replacement of modules - When BeoLab 19 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 3.3.

  • Page 28: Replacement Of Modules

    Replacement of modules Replace PCB02, Connector ☞ 4.15 Remove back woofer - Disconnect cables ! Unlock plugs before disconnecting cables 02P103 02P101 02P102 - Remove screws TX10 - Turn around the speaker - Remove rubber feets and screws 16mm TX20...
  • Page 29 Replacement of modules - Pull off knobs - Set all switches in down position ! When reassembling all switches must be in down position - Gently pull off connector well - Remove screws and replace PCB02, Connector - Move EMC gaskets to the new PCB or mount new, if damaged.

  • Page 30: Replace Pcb04, Power Supply

    Replacement of modules Replace PCB04, Power Supply ☞ 4.14 Remove front woofer ☞ 4.6 Remove PCB05, Energy Buffer - Disconnect cable ! Use peeler tool to unlock and disconnect cable Use peeler tool to unlock 04P1 - Remove screws ! Screws include washers TX20 - Remove screws and wireclips TX20...
  • Page 31 Replacement of modules - Gently move out and turn up the socket side of PCB04, Power Supply - Disconnect cables and pull out module 04P5 04P4 04P3 - Remove screws and replace PCB04, Power Supply - Gently move gap pads to new PCB or mount new, if damaged TX10...

  • Page 32: Replace Pcb05, Energy Buffer

    Replacement of modules Replace PCB05, Energy Buffer ☞ 4.14 Remove front woofer - Disconnect cables 05P2 05P1 - Remove screws and replace PCB05, Energy Buffer TX10...

  • Page 33: Replace Pcb30, Digital Sound Engine

    Replacement of modules Replace PCB30, Digital Sound Engine ☞ 4.14 Remove front woofer ☞ 4.15 Remove back woofer - Disconnect cables ! Unlock plugs before disconnecting cables - Remove tape and flat cables from aluminium plate and wall Tape 02P101 02P102 - Turn around the speaker - Remove screws ! Screws include washers TX20...
  • Page 34 Replacement of modules - Disconnect cables and gently pull out modules and flat cables ! Attention flat cables 30P4 30P3 - Disconnect cables ! Unlock plugs before disconnecting cables 30P1 30P2 - Remove screws and pull off metal plate ! Note placement of wireclips TX10 - Remove screws TX10...
  • Page 35 Replacement of modules - Remove screws and standoffs TX10 12mm 5.5mm - Remove standoffs - Gently disconnect, pull off and replace PCB30, Digital Sound Engine 30P7 18mm 5.5mm...

  • Page 36: Replace Pcb35, Amplifier

    4.10 Replacement of modules Replace PCB35, Amplifier ☞ 4.15 Remove back woofer - Disconnect cables 35P3 35P2 35P1 - Remove screws and replace PCB35, Amplifier ! Screws include washers - Gently move gap pads to new PCB or mount new, if damaged TX10...

  • Page 37: Replace Pcb47, Led Indicator

    Replacement of modules 4.11 Replace PCB47, LED Indicator - Remove front frame - Remove screws TX10 - Gently pull off module - Disconnect cable and replace PCB47, LED Indicator - Gently move gasket to new PCB or mount new, if damaged 47P41 Gasket...

  • Page 38: Replace Pcb48, Ntc

    4.12 Replacement of modules Replace PCB48, NTC ☞ 4.14 Remove front woofer - Remove screw and replace PCB48, NTC TX10...

  • Page 39: Replace Pcb89, Wireless Power Link Rx

    Replacement of modules 4.13 Replace PCB89, Wireless Power Link Rx ☞ 4.14 Remove front woofer ☞ 4.15 Remove back woofer ☞ 4.7 Remove PCB30, Digital Sound Engine - Remove screws and replace PCB89, Wireless Power Link Rx TX10...

  • Page 40: Replace Front Woofer

    4.14 Replacement of modules Replace front woofer - Remove front frame - Remove screws ! Screws include washers 16mm TX20 - Gently pull out woofer and disconnect wires - Remove screw and NTC module and replace woofer NTC wire Speaker wires - When reassembling remember to mount woofer with terminals in correct position ! Terminals on woofer must be alligned to marks...

  • Page 41: Replace Back Woofer

    Replacement of modules 4.15 Replace back woofer - Remove back frame - Remove screws ! Screws include washers 16mm TX20 - Gently pull out woofer - Disconnect wires and replace back woofer Speaker wires - When reassembling remember to mount woofer with terminals in correct position ! Terminals on woofer must be alligned to marks on shell...
  • Page 42 4.16...

  • Page 43: Specification Guidelines For Service Use

    Specification guidelines for service use Specification guidelines BeoLab 19 Type survey Market Variant Type number Albania, Andorra, Argentina, Austria, Azerbaijan, Bahrain, Belgium, Botswana, Brazil, Bulgaria, Chile, 6702 Côte d’Ivory, Croatia, Czech Republic, Denmark, Egypt, Faroe Islands, Finland, France, Georgia, Germany,...
  • Page 44 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 RJ45 socket Pin 1 Not used Pin 2 PL_Data Pin 3 Signal GND Data GND Pin 4 Speaker ON (on=>...

  • Page 45: Block Diagram

    Block diagram Block diagram Block diagram AMP_EN_N PCB48, NTC PCB89, Wireless Power PCB30, Digital Sound Engine DC_ERR_N Link Rx 3V3_SB NTC1 NTC1 LRCLK ADC_MUX PL_DATA SCLK ADC_MUX_AX PL_ON PS_ON UART_TX MAINS_FAIL UART_TX UART_RX nLINK PWR_NTC UART_RX nHEARTBEAT PCB47, LED Indicator AUDIO_MUX_SEL LINE_SENSE_LINE PING1...

  • Page 47: Wiring Diagram

    Wiring diagram Wiring diagram Wiring diagram PO T_ GA IN PO T_ GN DA PO T_ GN DA PO T_LF E Connector CO N_PL_DAT A PL_DAT A CO N_PL_O N PL_O N CO N_PL_R PL_R IG HT Wireless Power Link Rx CO N_PL_G ND_SEN SE PL_G NDA CO N_PL_L...
  • Page 48 Available parts Available parts Available parts BeoLab 19 9001 9002 See PCB30, Digital Sound Engine 9003 9004 Incl. pos.no. 9004, 9005 9005 See PCB04, Power Supply See Connector well 9006...

  • Page 49: Available Parts

    Available parts 9001 3454405 Set of front frames BeoLab 19 9002 8480519 Set of woofers 9003 3440370 Cabinet, black 3440375 Cabinet, grey 3440380 Cabinet, white 9004 3340525 Gasket f/light guide 9005 3340526 Gasket f/LED Indicator 9006 3375116 Mains cable, EU - 2.5A - 3M 3375117 Mains cable, UK - 2.5A - 3M...
  • Page 50 Available parts PCB04, Power Supply Not for sale 04Module 8007784 PCB04, Power Supply Survey of screws etc. 2042061 Screw 3 x 8mm 2934130 Standoff 2622026 Gap pad 7530119 Cable tie Ø3.1mm...
  • Page 51 Available parts PCB30, Digital Sound Engine 9010 Not for sale 9011 9010 3340549 Gasket 9011 3110104 Holder 30Module 8007882 PCB30, Digital Sound Engine 89Module 8007804 PCB89, Wireless Power Link Rx 8345390 Pre-prog. PCB89, Wireless Power Link Rx Survey of screws etc. 2013144 Screw 3 x 8mm 2042061...
  • Page 52 Available parts Connector well Not for sale 9015 9016 9018 9017 9018 9017 9019...
  • Page 53 Available parts Connector well 9015 3340589 Set of gaskets 9016 3459649 Connector well 9017 3160825 Knob 9018 3153048 Wire bracket 9019 3340377 Gasket 02Module 8007810 PCB02, Connector 6278891 Wire, Mains inlet Survey of screws etc. 2013144 Screw 3 x 8mm 3300232 EMC gasket...
  • Page 54 Available parts Wires 6278891 Wire, Mains inlet See page 6.3 6278893 Wire, DSE-PSU-LED 6278923 Wire, EB-PSU 6200546 Wire bundle, DSE-CON – remember to order new tape 6278894 Wire, DSE-AMP 6278892 Wire, EB-AMP 6278895 Wire, AMP-SPK Parts not shown 3376530 Product cover 3948048 Tape 6M Packing...
  • Page 56 Bang & Olufsen DK-7600 Struer Denmark 3538208 13-11...

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