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Related Manuals for Bang & Olufsen 1798
Summary of Contents for Bang & Olufsen 1798
- Page 1 ML Gateway Type 1798, 1799 Service Manual 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-up suitcase !
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Page 2: Table Of Contents
CONTENTS Survey of modules ..................1.1 How to service ....................1.2 Service 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 .................... -
Page 3: Survey Of Modules
Survey of modules Survey of modules Master Link Gateway PCB01 Mainboard PCB06 µP H8-4 (included in PCB01) PCB52 Digi module... -
Page 4: How To Service
How to service How to service Strategy The product is to be serviced in the customer’s home. The repair involves replacement of the module(s). The replaced modules must be returned for repair at the Bang & Olufsen Module Repair department. Error codes as well as an adequate fault description must be returned with each replaced part. - Page 5 How to service Warnings Static electricity, ESD STATIC ELECTRICITY MAY DESTROY THE PRODUCT Static electricity may damage the product. In Master Link Gateway there are integrated circuits which operate at 3.3 volt, and that makes the product extremely sensitive to static electrity. Static-protective field service kit.
- Page 6 How to service Service Tool General There is no need for a special ServiceTool as known from other Bang & Olufsen products, when maintaining or servicing the ML Gateway. All types of service or adjustments are executed from a web-based user interface. Accessibility To access the web-based user interface enter the IP address for ML Gateway.
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Page 7: Service Functions - Troubleshooting
Service functions – Troubleshooting Service functions – Troubleshooting Service functions ..............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 Service functions Service functions General This section describes the front panel indicator and the service functions of the setup button on ML Gateway. Front panel indicator (LED) Front panel indicator Setup button The front panel indicator provides feedback on the state of the system, and is also used for setup button operation and Beolink product assignment.
- Page 9 Troubleshooting Troubleshooting MLGW not working after software update Detecting if MLGW is running The following are signs that the MLGW application is not running: - The front panel indicator does not turn green after approximately 1 minute of being powered up. - Briefly pressing the setup button produces no visible feedback on the front panel indicator.
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Page 11: Fault Flow Chart
Fault flow chart 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... - Page 12 Fault flow chart Fault symptom: No function in ML Gateway, No LED Possible causes: Defective PCB01, Mainboard. Defective PCB52, Digi module. Confirm mains inlet Bad or defective AC inlet connection to connection is ok by Replace Mains measuring on Cable PCB01, Mainboard PCB01, P1, pin1-2 Replace defective...
- Page 13 Fault flow chart Fault symptom: No Master Link communication in ML Gateway Navigation from user interface ok Possible causes: Software fault. Defective PCB01, Mainboard. Defective PCB52, Digi module. Check cables for ML Replace defective connection ML cable Update software for Replace PCB01 ML Gatway.
- Page 14 Fault flow chart Fault symptom: No network/ethernet communication in ML Gateway Possible causes: Defective PCB01, Mainboard. Defective PCB52, Digi module. Check cable for ethernet connection, Replace defective and confirm that IP ethernet cable or addresses are correct the IP correct, (default IP is address 192.168.1.10) Execute Service...
- Page 15 Fault flow chart Fault symptom: No RS232 communication in ML Gateway Navigation from user interface Possible causes: Software fault Defective RS232 cable Defective PCB01, Mainboard Defective PCB52, Digi module Check cables for RS232 connection Replace defective RS232 cable Update software for Replace PCB01, ML Gatway.
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Page 17: Adjustments - Final Check After Repair
Adjustments – Final check after repair Adjustments – Final check after repair Ajdustments in general ............4.2 Information ................4.2 Survey of adjustments ..............4.2 Additional information ..............4.2 Adjustments described ............4.3 Accessing the user interface ............4.3 Network Settings ................ 4.4 Setting up the text size ............... -
Page 18: Ajdustments In General
Adjustments Ajdustments in general Information Generally there are few adjustments to be made in ML Gateway, when modules has been replaced. To maintain or service ML Gateway there is no need for a special ServiceTool as known from other Bang & Olufsen products. All types of service or adjustments are executed from a web-based user interface. -
Page 19: Adjustments Described
Adjustments Adjustments described Accessing the user interface To access the web-based user interface enter the IP address for ML Gateway. The default IP address is 192.168.1.10. If the ML Gateway has been assigned an IP address from the router (DHCP) during an earlier configuration, it might be possible to locate the IP address from the DHCP client table in the router of the network (not possible in all routers). -
Page 20: Network Settings
Adjustments Network Settings In Network Settings it is possible to define the connection possibilities of ML Gateway. The options are: DHCP (Dynamic Host Configuration Protocol) or Static connection. When a static connection is chosen, the IP address, Subnet mask, Gateway and DNS server addresses must be defined manually. -
Page 21: Setting Up The Text Size
Adjustments Setting up the text size The web-based user interface may be too wide for low resolution screens such as those of mobile Internet devices, subcompact laptop computers, or old laptop computers. In this case, a more compact style for the user interface can be selected. -
Page 22: Master Link Gateway Protocol Settings
Adjustments Master Link Gateway Protocol settings ML Gateway protocol is available on RS232 connection and as TCP socket connections (ethernet RJ45). Multiple simultaneous ML Gateway protocol connections are supported. The options available are: - Availability and bit rate on RS232 port. -
Page 23: Programming The Serial Number Into Ml Gateway
Adjustments Programming the serial number into ML Gateway When PCB52, Digi module has been replaced, the serial number of ML Gateway must be programmed into the new module. This is only possible at the command line interface (CLI). For Telnet information please refer to ‘Additional information’... -
Page 24: Restore The Customer's Data In Ml Gateway
Adjustments Restore the customer’s data in ML Gateway If a defective PCB52, Digi module has been replaced by a new module, the new module is empty for programmed data. If reprogramming is necessary, it may be an advantage to use the restore function. -
Page 25: Final Check After Repair
Final check after repair Final check after repair Information The final check after repair describes the activities needed to ensure that the product is returned in perfect condition to the customer. The contents are: - Insulation test - Check product information - Restore the setup and check connections - Final cleaning of the product Insulation test... - Page 26 4.10...
- Page 27 Repalcement of modules Replacement of modules Master Link Gateway in service position ........5.2 Replace PCB52, Digi module ............5.2 Replace PCB01, Mainboard ............5.3 After reassembly ................. 5.3 Warning – Static electricity Static electricity may damage the product. A static-protective field service kit must always be used when the product is disassembled or modules are being handled.
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Page 28: Replacement Of Modules
Replacement of modules Master Link Gateway in service position - Remove all cables and place Master Link Gateway on a ESD proof surface Replace PCB52, Digi module TX10 - Remove screws and remove bottom plate - 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... - Page 29 Repalcement of modules Replace PCB01, Mainboard + 5.2 ML Gateway in service position - Remove screws 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) After reassembly - After reassembly remount the two angle brackets for rackmount as shown...
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Page 31: Specification Guidelines For Service Use
Saudi Arabia, Serbia, Singapore, Slovak Rep., Slovenia, South Africa, Spain, St. Martin, Sweden, Switzer- land, Taiwan, Thailand, Turkey, UK, Ukraine, Uruguay, United Arab Emirates, USA, Uzbekistan, Vietnam China 1798 Power supply 100 ~ 230 V AC, 50/60 Hz Power consumption Typical 2.5 Watts, standby not possible... -
Page 33: Available Parts
Available parts Available parts 9001 9007 9002 9008 9003 9004 9005 9004 9006 9009 9001 3454312 Bottom, incl. 4 x rubber foot 9002 3170280 Insulation material 9003 3947501 Gasket 9004 3393186 Set of brackets 9005 3431517 Cabinet 9006 3390006 Bag w/screw and wire holder 9007 3152306 Cable holder 9008... -
Page 35: Block Diagram
Overall block diagram Overall block diagram Overall block diagram MAINS ON/OFF MAINS P1/P2 INLET 3.3V Power (SMPS) H8 BUS 5V H8 On / Off Circuitry LED1 Master 3.3V LED2 Link ML_DATA + ML Transmit Master PCB52 Level Link SETUP_SW translator ML_DATA - Digi module Interface... -
Page 36: Wiring Diagram
Wiring diagram Wiring diagram Wiring diagram >< LINE_P3 >< NUETRAL_P3 >< LINE_P2 >< NUETRAL_P2 >< LINE >< NUETRAL Mainboard >< SETUP_SW >< >< LED_GRN_PWR >< LED_RED_PWR... - Page 38 Bang & Olufsen DK-7600 Struer Denmark Phone +45 96 84 11 22* Fax +45 97 85 39 11 3538097 02-10 A...