Bang & Olufsen DVD 2 Service Manual
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Bang & Olufsen DVD 2 Service Manual

Bang & Olufsen DVD 2 Service Manual

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DVD 2
Type 4629
Service Manual
English
German, French, Italian, Spanish, Danish, Dutch 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 DVD 2

  • Page 1 DVD 2 Type 4629 Service Manual English German, French, Italian, Spanish, Danish, Dutch 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 Service Mode ................2.1 Fault flow chart ..............3.1 Adjustments ................4.2 Software update ..............4.9 Repair tips ................4.13 Final check after repair ............4.14 Replacement of modules ............5.1 Specification guidelines for service use ........

  • Page 3: Survey Of Modules

    Survey of modules Survey of modules PCB01 Analog PCB02 Digital PCB03 Display PCB04 Power Supply PCB05 AV Input PCB10 HDMI PCB14 Keyboard (AVL) 94 Module Harddrive (HDD) 95 Module DVD Drive...

  • Page 4: How To Service

    DVD 2 has been developed for simple module exchange to comply with the on-site service strategy. Module exchange is possible on-site, at the dealershop or in the service workshop, whatever is most convenient in each case.
  • Page 5 Laser exposure CLASS 1 LASER PRODUCT The DVD 2 contains a laser system and is classified as a class 1 laser product. The DVD 2 must be opened by qualified personal only. Symbol of safety components When replacing components with this symbol, the same type has to be used, also the same values for ohm and watt.

  • Page 7: Service Mode

    Service Mode Diagnostic Software(DS) Service Mode in DVD 2 is a new software implemented in the PCB02, Digital and is called ‘Diagnostic Software’. The Diagnostic Software consists of independent ‘atomic’ tests, called nuclei. Each nucleus forms a test to indicate possible hardware failure.
  • Page 8 Service Mode The Nucleus numbers are individual 2 digit numbers according to specific tests, and are listed in a ‘detailed description of available nuclei’ which is an appendix to the service manual. In this description, there will be technical expressions like e.g. CHR and DVIO, which are abbreviations for ‘Codec Host Repository’...

  • Page 9: Service Mode

    Setup & Connection Tools required To enter Service Mode it is necessary to connect DVD 2 to a PC with a service cable. The required tools are: PC with com port (if no com port is available, use USB/COM converter part. no.
  • Page 10 Service Mode The following appears on the screen. Use the following Port Settings: Bits per second 9200 Data bits Parity None Stop bits Flow control None Click OK to continue. The following window should appear on the screen. Now the HyperTerminal is ready to use, but before going any further it would be wise to save the connection setup, in this way it will be easy to connect next time.
  • Page 11 Disconnect DVD 2 from the mains Connect Service Cable from P03 on PCB02 to COM port Open HyperTerminal Power on DVD 2 and confirm the following ‘read out’ in the HyperTerminal window: Factory Diagnostics and Service Software DVD Video Recorder (Sep 28 2006, 8:29:6)
  • Page 12 Nucleus Group Number For further specifications please refer to the enclosed appendix. Cancelling Service Mode To cancel Service Mode, disconnect DVD 2 from mains and wait 0 sec. before rebooting the system. End User/Dealer script The ‘End User/Dealer script interface’ gives a diagnosis on the DVD 2.

  • Page 13: Fault Flow Chart

    If the Dealer test fails in the test sequence, it will display an error code. Locate the error code and refer to the error list in enclosed appendix. If it is not possible to locate the error code, and the DVD 2 is still faulty, continue with the fault flow chart.
  • Page 14 Fault flow chart Fault symptom: No start up No STBY. LED (normally red) No Display Possible causes: Mains not supplied Blown fuse F on PCB04, Power Supply Missing voltages Defective PCBs Defective cables Confirm the mains supply is connected Replace/reconnect and applied mains cable Replace fuse F on...
  • Page 15 Fault flow chart From previous page Confirm: Disconnect J on PCB04, Power Supply 3.3V on PCB04, J pin , 2, 3, 4 Confirm: 5V on PCB04, J2 pin 9 3.3V on PCB04, J pin , 2, 3, 4 Replace PCB04, -5V on PCB04, J pin 2 5V on PCB04, J2 pin 9 Power Supply...
  • Page 16 Analog Keyboard HDMI HyperTerm OK? HyperTerm OK? HyperTerm OK? HyperTerm OK? Is DVD 2 OK? Is DVD 2 OK? Is DVD 2 OK? Otherwise start at the Otherwise start at the Otherwise start at the Replace PCB0, beginning with the...
  • Page 17 Fault flow chart From previous page Confirm communication with Replace PCB02, PCB02, Digital by Digital typing: DS:>228 at prompt Refer to ‘Adjustments’ when replacing Confirm communication with ASP on PCB0, Replace PCB0, Analog by typing: Analog DS:>600 at prompt Set slash by typing Confirm ‘slash ‘DS:27 22’...
  • Page 18 Fault flow chart Fault symptom: DVD 2 does not complete startup sequence STBY. LED (red -> green) Display shows ➀ or ➁ ➀ ‘BUSY’ for about 45 sec., then ‘STARTING’ for about 5 sec., then ‘CLOCK’ Confirm: ➁ ‘STARTING’ and HDD reboots for every 45 sec.
  • Page 19 Fault flow chart From previous page Confirm communication with FrontEnd (Tuner) on Replace PCB0, PCB0, by typing: Analog DS:>2000 at prompt Test OK? Confirm communication with ASP on PCB0 by Replace PCB0, typing: Analog DS:>600 at prompt Test OK? Confirm Replace PCB02, communication with Digital...
  • Page 20 DVD 2 starts up but goes to standby Stby. LED = Red Display shows ‘STARTING’ and the DVD 2 is locked! After a few minutes DVD 2 reboots and the sequence is repeated Possible causes: Defective HDD Defective Power Supply...
  • Page 21 PCB0 P93 Is the Fan running Replace PCB0, * Measuring made at 22 deg. celsius between pin  and when DVD 2 is on? Analog pin 2 Fan speed low (normal/switched on): -5V PCB0 P93 between pin  and pin 2 -.6V or higher at PCB03 P90 pin 8...
  • Page 22 3.0 Fault flow chart HDD playback check From the HDD Verify that the Update to latest browser check the software version is the version. Software can following features: latest available. be downloaded at - Sorting & Deleting Refer to ‘Adjustments’ Bang &...
  • Page 23 Fault flow chart 3. Manual recording with TSB (Time Shift Buffer) Copying HDD title to a recordable disc Verify that the Update to latest  Switch on the Recorder and select software version is the version. Software can a tuner channel Is it a Source Input latest available.
  • Page 24 3.2 Fault flow chart Manual HDD recording Timer HDD recording Make a manual recording to the HDD Verify that the Update to latest using different recording sources: software version is the version. Software can - Cam  and 2 (front) Is it a Source Input latest available.
  • Page 25 Fault flow chart 3.3 Audio Fault symptom: No audio Low audio quality Audio drop out Possible causes: Defective PCB Poor source/media Cable/connection fault Software fault Check audio signal Replace PCB02, path from tuner to Playback CD from Digital EXT. Confirm sound DVD drive Refer to ‘Adjustments’...
  • Page 26 3.4 Fault flow chart From previous page Verify that the Update to latest Playback a DVD title in software version is the version. Software can 5. Dolby Digital and latest available. be downloaded at stereo Refer to ‘Adjustments’ Bang & Olufsen Retail for readout system under the BeoWise section...
  • Page 27 Fault flow chart 3.5 Video Fault symptom: No picture Bad picture quality (pixel error) Picture drop out Possible causes: Defective PCB Poor source/media Cable fault Software fault Check video signal Replace PCB02, path from tuner to Play back DVD video Digital EXT .
  • Page 28 3.6...
  • Page 29 Adjustments, software update, repair tips and final check after repair Adjustments, software update, repair tips and final check after repair Adjustments ....................4.2 Adjustments described .................. 4.2 General ......................4.2 Necessary tools ....................4.2 Region code ....................4.2 Region table ....................4.3 Alignment of front plate lid ................

  • Page 30: Adjustments

    Disk tray closed and no disc. Set DVD 2 to ‘tuner mode’ (press ‘EXIT’ or ‘BACK’ in any menu/browser). Invoke HDD Browser. (Press ‘GO’ and ‘0’), place the cursor on ‘Hard Disk’. Press ‘GO’ wait for IR-indicator to flash and enter immediately 159121212005 XXX then ‘GO’.

  • Page 31: Region Table

    Adjustments Region table Region Area Countries US, US American Samoa, Canada, Guam, Palau, Mariana Islands, Marshall Islands, Puerto Rico, territories and Micronesia, United States, U.S. Virgin Islands Canada UK, Europe, Albania, Andorra, Austria, Bahrain, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Japan, South Czech Republic, Denmark, Egypt, Finland, France, Germany, Gibraltar, Greece, Greenland, Africa and...

  • Page 32: Adjustments

    (the lid will not remain closed). Adjustment can be performed at the front of DVD 2 by using a screwdriver. When the front plate lid is opened, a torx screw, in the squared hole on the left side of the black profile, will appear.

  • Page 33: Alignment Of 'Slash Information' (Or Slash Version)

    When PCB02, Digital is replaced, it is necessary to align the slash version. The slash version is unique for DVD 2, and can be regarded as a initialization. The slash version for DVD 2 is 11221, and is stored in NVM (item 7809) on PCB02, Digital. For alignment the following procedure must be followed: Start HyperTerminal.
  • Page 34 In that case, the IEEE number must be calculated by means of a formula and of the ‘internal’ serial number. This ‘internal’ serial number (Prod. No.) contains 14 characters and is located at the bottom of DVD 2 (not at the ‘bottom plate’, this must be removed first). Location illustrated below: Model No.

  • Page 35: Alignment Of 'Diversity String

    With DS command: 1229, the settings can be displayed. Note An error in the diversity string will render DVD 2 unable to boot-up and PCB02, Digital becomes defective Via the Dignostic Software, the “Diversity String” is stored with the command 1226, followed by the “Diversity String”...

  • Page 36: Formatting A New Hdd

    Diagnostic Software nucleus 2107. To carry out formatting follow this procedure: Start HyperTerminal. Connect DVD 2 (P1103) to a COM port (use USB/COM converter if no COM port is available). Power on DVD 2 and confirm that ‘Diagnostic info.’ appears on screen.

  • Page 37: Software Update

    Software upgrade procedure for PCB02, Digita Software upgrade procedure for PCB14, Keyboard (AVL Software version read out How to read out the firmware version, to confirm DVD 2 has the latest version or has been upgraded succesfully Follow the procedure below:...

  • Page 38: Software Upgrade Procedure For Pcb02, Digital

    Software upgrade procedure for PCB02, Digital Information A vital part of the DVD 2 is advanced software platforms. Therefore, it is very important that the product always contains the latest software version on all platforms, before it is returned to customer.

  • Page 39: Software Upgrade Procedure For Pcb14, Keyboard (Avl)

    Software upgrade procedure for PCB14, Keyboard (AVL) Information DVD 2 contains AVL (Audio Video Link - converts B&O IR commands to Philips IR command) which is placed on PCB14, Keyboard. If new features are developed in the future, it might be necessary to update the AVL. For this purpose a service plug P1104 is placed on PCB14, Keyboard.
  • Page 40 Disconnect DVD 2 from the mains. Connect the diagnostic cable from the PC to the UART connector (P1104 ) on PCB14, Keyboard (AVL). Power up DVD 2 and wait 5 sec. before continuing. Click ‘Write’. NOTE! When you click ‘Write’, it starts reading and then starts writing. When the writing procedure is finished, a ‘check sum value’...

  • Page 41: Repair Tips

    Repair tips Description of buttons placed on back panel Because of the reduced number of buttons on DVD 2, only 1 button for the user (disc tray open/close), there are six recessed buttons on the back of DVD 2. The function for each button are described from left to right:...

  • Page 42: Final Check After Repair

    Dealer script The ‘End User/Dealer script interface’ gives a diagnosis on the DVD 2. In this mode, a number of hardware tests (nuclei) are automatically executed to check if the recorder is faulty.

  • Page 43: Software Check

    Pressing button ‘S6’ on back panel when connecting to mains. Software check A vital part of the DVD 2 is advanced software platforms. Therefore, it is very important that the product always contains the latest software version on all platforms, before it is returned to customer. For further information please refer to ‘Ajustments’.
  • Page 44 4.16...

  • Page 45: Replacement Of Modules

    Replacement of modules Replacement of modules Modules that can be replaced Remove top cover ............5.2 Remove DVD 2 front ..........5.3 Replace PCB0, Analog ..........5.5 Replace PCB02, Digital ..........5.6 Replace PCB03, Display ..........5.7 Replace PCB04, Power Supply ........5.8 Replace PCB05, AV Input ...........

  • Page 46: Remove Top Cover

    Remove top cover - Remove all cables OUT 2 OUT 1 HDMI OUT ANTENNA EXT 2 AUX-I/O VIDEO AUDIO (CVBS) MAINS S-VIDEO EXT 1 TO TV-I/O (Y/C) AUDIO OPTICAL COAX DIGITAL AUDIO OUT G-LINK - Remove screws TX10 HDMI OUT OUT 2 OUT 1 ANTENNA...

  • Page 47: Remove Dvd 2 Front

    Remove DVD 2 front + 5.2 Remove top cover - Gently pull off front plate lid - Release snaplock to remove front plate ➁ ➀ - Remove front feet and middle screw TX10 - Remove loader front ➀ ➁...
  • Page 48 Remove DVD 2 front - Remove screws holding 95 Module, DVD Drive TX10 - Remove 95 Module, DVD Drive and remove screws shown TX10 - Remove screws on front TX10 - Release snaplocks and gently pull off front...

  • Page 49: Replace Pcb0, Analog

    MAINS S-VIDEO EXT 1 TO TV-I/O (Y/C) AUDIO and pull off bracket OPTICAL COAX DIGITAL AUDIO OUT G-LINK - Remove screws on back of DVD 2 OUT 2 OUT 1 HDMI OUT ANTENNA EXT 2 AUX-I/O VIDEO AUDIO (CVBS) MAINS...

  • Page 50: Replace Pcb02, Digital

    Replace PCB02, Digital + 5.2 Remove top cover + 5.3 Remove DVD 2 front TX10 OUT 2 OUT 1 HDMI OUT ANTENNA EXT 2 AUX-I/O VIDEO AUDIO (CVBS) - Remove screws for bracket MAINS S-VIDEO EXT 1 TO TV-I/O (Y/C)

  • Page 51: Replace Pcb03, Display

    Replace PCB03, Display + 5.2 Remove top cover + 5.3 Remove DVD 2 front - Remove screws TX10 - Release snaplocks - Remove cable 3P9101...

  • Page 52: Replace Pcb04, Power Supply

    Replace PCB04, Power Supply + 5.2 Remove top cover + 5.2 Remove 94 Module, Harddrive (HDD) - Remove screw on back of DVD 2 ANTENNA EXT 2 AUX-I/O MAINS TX10 EXT 1 TO TV-I/O - Remove cables - Remove screws...

  • Page 53: Replace Pcb05, Av Input

    Replace PCB05, AV Input + 5.2 Remove top cover + 5.3 Remove DVD 2 front - Remove screws TX10 - Remove cable 5P1922...
  • Page 54 5.0 Replace PCB0, HDMI + 5.2 Remove top cover - Remove screws on back of DVD 2 TX10 HDMI OUT OUT 2 OUT 1 ANTENNA EXT 2 AUX-I/O VIDEO AUDIO (CVBS) S-VIDEO EXT 1 TO TV-I/O (Y/C) AUDIO OPTICAL COAX...

  • Page 55: Replace Pcb4, Keyboard (Avl)

    + 5.0 Remove PCB0, HDMI - Remove cables from PCB4, Keyboard (AVL) 14P1100 02 14P1101 14P1102 14P1103 00 0 03 - Remove screws on back of DVD 2 TX10 HDMI OUT OUT 2 OUT 1 ANTENNA EXT 2 AUX-I/O VIDEO AUDIO...

  • Page 56: Replace 94 Module, Harddrive (Hdd)

    5.2 Replace 94 Module, Harddrive (HDD) + 5.2 Remove top cover - Remove screws TX10 - Remove cables from 94 Module, Harddrive (HDD) Power - Pull out 94 Module, Harddrive (HDD) - Remove brackets from 94 Module, Harddrive (HDD) TX10...

  • Page 57: Replace 95 Module, Dvd Drive

    Replace 95 Module, DVD Drive 5.3 ➀ ➁ + 5.2 Remove cover - Remove loader front - Remove cables from 95 Module, DVD Drive Power - Remove screws holding 95 Module, DVD Drive TX10...

  • Page 58: Replace Fan

    TO TV-I/O (Y/C) AUDIO and pull off bracket OPTICAL COAX DIGITAL AUDIO OUT G-LINK - Remove cable 1P1913 93 - Remove screws on back of DVD 2 and pull off Fan TX10 ANTENNA EXT 2 AUX-I/O MAINS EXT 1 TO TV-I/O...

  • Page 59: Specification Guidelines For Service Use

    Specification guidelines for service use SPECIFICATION GUIDELINES FOR SERVICE USE DVD 2 Type 4629 Market Australia, Austria, Azerbaijan, Bahrain, Belgium, Botswana, Bulgaria, China, Croatia, Czech Repub., Denmark, Dubai, Egypt, Estonia, Faroe Islands, Finland, France, Georgia, Germany, Ghana, Greece, Greenland, Holland, Hong Kong, Hungary, Ireland, Iceland, India, Indonesia,...
  • Page 60 Specification guidelines for service use DVD region According to country Laser Output Power & Wavelength Output power during reading 0.8mW 0.3mW Output power during writing 20mW Wavelength 650nm 780nm Front indicators - STANDBY indicator Two colour (red, green) - Display FTD (Fluorescent Tube Display) Dimensions W x H x D 47 x 0. x 26.3 cm...
  • Page 61 Specification guidelines for service use DV IN (i.LINK) connector (IEEE 1394, 4-pin) Pin 4 Pin 1 Pin  TPB0- Pin 2 TPB0+ Pin 3 TPA0- Pin 4 TPA0+ HDMI OUT Type A connector (19 pins) Pin  T.M.D.S. Data 2+ Pin 2 T.M.D.S.

  • Page 63: Wiring Diagram

    Wiring diagram Wiring diagram Wiring diagram FFC 1.00mm FFC 1.00mm Plug 10/10pins 10/10pins Plug P1914 P1104 > >< >< < < Plug 6/6pins AV Input < < P1203 > > >< >< >< >< DV IN < < J S T KR 2.00mm JST KR 2.00mm 9 / 9pins Plug...

  • Page 64: Block Diagrams

    Overall block diagram Overall block diagram Overall block diagram REAR OUT to conn. 1103 From conn. 1920 SCART 1 SCART 2 of AVL Bd. of HDMI board From PSU G-LINK S-VIDEO DIGITAL IPRO 1922B 1922A From PSU AKILL 1924 1925 6255 7108 GND 1...
  • Page 65 PCB4, Power Supply block diagram PCB4, Power Supply block diagram PCB4, Power Supply block diagram PCB01 Analog IPFAIL IPFAIL Optical Control Appr. 400V Fuse 3.3V 3.3V Optical Regulation Feedback STBY Control DD On 95 Module DVD Drive PCB02 Digital 94 Module Harddrive 3.3V HD_ON...
  • Page 66 Available parts Available parts Available parts DVD 2 9016 9010 9011 9012 9001 9013 9017 9018 9002 9014 Not for sale 9003 9004 9015 9019 9005 9006 Incl. pos. no. 9006 9007 9008 9009 9020 Not for sale 9021...

  • Page 67: Available Parts

    Available parts DVD 2 9001 3321079 Side bracket, left 9002 3112134 Shield 9003 2816427 Contact spring 9004 3451498 Cover 9005 8003591 PCB03, Display and PCB05, AV Input 9006 3112121 Shield 9007 3451511 Front, incl. pos. no. 9006 9008 3454220 Front plate, top...
  • Page 68 Available parts Parts not shown 3658025 Product cover 6278222 Service cable 6780018 DVD 2 software ver. 1.1 6780019 Master Format DVD 6710035 Ferrite core 3395319 Back-up suitcase Available documentation See Retail Ordering System...
  • Page 70 Bang & Olufsen DK-7600 Struer Denmark Phone +45 96 84 11 22* Fax +45 97 85 39 11 3538064 08-07...

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