Bang & Olufsen 1798, Service Manual

Page 1: ...English German French Italian Spanish Danish Dutch Japanese Korean and Simplified Chinese versions are available in the Retail System This Service Manual must be returned with the defective parts back...

Page 2: ...vice functions Troubleshooting 2 1 Fault flow chart 3 1 Adjustments Final check after repair 4 1 Replacement of modules 5 1 Specification guidelines for service use 6 1 Available parts 7 1 Block diagr...

Page 3: ...Survey of modules 1 1 Survey of modules Master Link Gateway 01 52 06 PCB01 Mainboard PCB06 P H8 4 included in PCB01 PCB52 Digi module W W W B E O W O R L D O R G...

Page 4: ...from BeoWise Also remember before servicing the product to update the latest version of the software in the Master Link Gateway to ensure optimum conditions Servicing The Master Link Gateway must be s...

Page 5: ...be connected to the static protective field service kit or placed in an ESD proof bag Cleaning Never use alcohol or other solvents to clean any part of the product Wipe dust off the surfaces using a d...

Page 6: ...the web based user interface enter the IP address for ML Gateway The default IP address is 192 168 1 10 Additional information The user interface is implemented in plain XHTML and styled through Casca...

Page 7: ...2 2 General 2 2 Front panel indicator 2 2 Setup button 2 2 Troubleshooting 2 3 MLGW not working after software update 2 3 Detecting if MLGW is running 2 3 Restarting MLGW on factory installed software...

Page 8: ...ules the front panel indicator will flash GREEN Setup button The setup button on the front panel provides several functions Each function is dedicated specific number of blinks These can be accessed b...

Page 9: ...setup button switch it back on Release the setup button only after 5 seconds This will start the system using the original factory software but will not fix or replace the broken software You need to...

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Page 11: ...Fault flow chart No function in ML Gateway No LED 3 2 No Master Link communication in ML Gateway 3 3 No network ethernet communication in ML Gateway 3 4 No RS232 communication in ML Gateway 3 5 W W W...

Page 12: ...et connection to PCB01 Mainboard Replace defective W02 No Yes Confirm mains voltage is OK by measuring on PCB01 P2 pin1 2 OK Confirm 5V at D260 cathode OK Replace defective W01 Main switch Confirm 3V3...

Page 13: ...tware fault Defective PCB01 Mainboard Defective PCB52 Digi module Update software for ML Gatway Confirm Master Link communication OK Replace PCB01 Mainboard Confirm Master Link communication OK Replac...

Page 14: ...cable for ethernet connection and confirm that IP addresses are correct default IP is 192 168 1 10 OK Replace defective ethernet cable or correct the IP address Remove power cord and ethernet cable fr...

Page 15: ...Defective RS232 cable Defective PCB01 Mainboard Defective PCB52 Digi module Update software for ML Gatway Confirm RS232 communication OK Replace PCB01 Mainboard Confirm RS232 communication OK Replace...

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Page 17: ...4 3 Accessing the user interface 4 3 Network Settings 4 4 Setting up the text size 4 5 Change password 4 5 Master Link Gateway Protocol settings 4 6 Programming the serial number into ML Gateway 4 7 R...

Page 18: ...save the modifications you have made There are Apply or Save buttons next to most controls and data fields When a configuration is uploaded to ML Gateway e g when PCB52 Digi module is replaced the upl...

Page 19: ...sible in all routers Use the MAC address placed on the label of ML Gateway to identify the product If this is not possible a reset of the network settings to factory default function 3 is required ple...

Page 20: ...are IP address 192 168 1 10 Subnet mask 255 255 255 0 Default gateway 192 168 1 1 DNS server 192 168 1 1 Setting up date and time MLGW can get its system time from the BeoLink and this is the recomme...

Page 21: ...d high screen resolution Change password The system password is used for accessing both the web user interface and the command line interface CLI Logging in to the web interface requires entering admi...

Page 22: ...on RS232 port Availability and TCP port number on the network connection If the RS232 port is already configured for another device a message will be shown and selection will be disabled If RS232 is...

Page 23: ...work router and entered instead The command line interface CLI will look as illustrated here Type _SETSN xxxxxxxx xx serial no and press Enter Please refer to the product label placed on the top cover...

Page 24: ...to transfer back up data from a certain location into PCB52 Digi module Navigate to Tools Configuration and refer to the Load configuration section Click Browse and choose destination and configuratio...

Page 25: ...insulation tester until a voltage of 2 5 kV and max 10 mA is obtained Maintain that voltage for one second then slowly turn it down again Product Info The scope of this check is to ensure that the pr...

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Page 27: ...ce to additional illustrations The correct sequence for replacing modules Text and illustrations Reference to adjustment After replacement of modules ESD ESD Mat Replaced parts Action PCB01 Mainboard...

Page 28: ...way on a ESD proof surface Remove PCB52 Digi module carefully be careful not to damage the 2 sockets After replacement it is important to Initialise the serial number of the product into the new modul...

Page 29: ...ws and spring lock washers When remounting it is important to place the spring lock washers at the same locations see the illustration to the right 6x PZ1 After reassembly After reassembly remount the...

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Page 31: ...Data Terminal Ready output Pin 5 GND Signal ground Pin 6 DSR Data Set Ready input Pin 7 RTS Request To Send output Pin 8 CTS Clear To Send input Pin 9 RI Ring Indicator input Ethernet RJ45 socket 10 1...

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Page 33: ...3375737 Cable holder 9009 6100245 Mains cable EU 6100328 Mains cable UK 6100125 Mains cable TWN 6100151 Mains cable TH 6100247 Mains cable JP 6100248 Mains cable AUS 6100306 Mains cable US 6100040 Mai...

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Page 35: ...B01 Mainboard MAINS INLET Master Link ML_DATA ML_DATA Master Link Interface Power SMPS 5V H8 On Off Circuitry BACK PANEL LED1 LED2 SETUP_SW MAINS ON OFF FRONT PANEL RS232 Transmit Digi Transmit RS232...

Page 36: ...diagram Wiring diagram 8 2 8 2 P3 NUETRAL_P3 LINE_P3 P2 NUETRAL_P2 LINE_P2 GND SETUP_SW P12 LINE NUETRAL P1 LED_RED_PWR GND LED_GRN_PWR P11 W01 W02 W03 W04 Mainboard 01 Wiring diagram W W W B E O W O...

Page 37: ...W W W B E O W O R L D O R G...

Page 38: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538097 02 10 A W W W B E O W O R L D O R G...