Bang & Olufsen BeoVision 7 MK II Service Manual Download

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BeoVision 7 – 32 MK III

Type 9331 - 9339
From serial no. 19353358

Service Manual
English

German, French, Italian, Spanish, Danish and Dutch versions
are available in the Retail System

This Service Manual must be returned
with the defective parts/back-up suitcase !

Summary of Contents for BeoVision 7 MK II

Page 1: ...9331 9339 From serial no 19353358 Service Manual English German French Italian Spanish Danish and Dutch versions are available in the Retail System This Service Manual must be returned with the defect...

Page 2: ...t flow chart 2 1 Adjustments 3 1 Picture adjustments 3 3 Geometry adjustments 3 6 Final check after repair 3 8 Service mode 4 1 Replacement of modules 5 1 Specification guidelines for service use 6 1...

Page 3: ...90 module DVB S chassis Incl PCB21 PCB22 996 module DVD Mechanism Incl PCB73 PCB76 PCB79 PCB95 997 module DVD Main chassis Incl PCB72 PCB77 999 module Main chassis Incl PCB1 PCB2 PCB4 PCB5 PCB6 PCB32...

Page 4: ...ion Preparations before service Always remember to download the latest version of the Service Manual Fault description and error codes must be returned with the replaced parts Use the Module Repair fo...

Page 5: ...service kit or placed in an ESD proof bag 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 The new component is...

Page 6: ...r 3 seconds 2 The Master code menu appears 3 Enter the Service code 1 1 1 1 1 Important notice concerning Service time The service time is active as long as the product is connected to the mains inclu...

Page 7: ...has been forgotten the only way to unlock the TV again is by entering a 5 digit Master code The Master code is ordered by sending a request via the Retail System When the TV prompts for a PIN code pre...

Page 8: ...1...

Page 9: ...External Camcorder RF Link Amplifier BeoLab 7 Beo4 DSM PCB32 Power Link Master Link TV Modulator PCB63 TV Tuner IR Autocontrast PCB58 Camcorder PCB 59 SCALER LCD driver Video processor SCART input PCB...

Page 10: ...6 PCB4 E 8P1 PCB8 F W7 8P1 LCD G W5 5P140 LCD H 8P2 PCB8 I W6 8P2 4P116 J P167 PCB4 K Label with Adjustment values L P9 PCB1 M W15 1P9 58P141 N 74P103 PCB74 O 74P114 PCB74 LCD 2 63 6 8 59 4 1 990 NTC...

Page 11: ...ply is connected and applied Mains is applied Mains supply applied Connect Mains supply Connect Mains supply directly to BeoVision 7 TV OK Blown fuse in BeoLab 7 Fuse F220 on PCB4 OK Fuse on PCB4 Repl...

Page 12: ...e that the television is in Standby mode The television has been locked for 3 hours since last PIN code was entered Press TV on the Beo4 TV OK Status display is enabled Replace Main chassis Module 999...

Page 13: ...the ML installation Replace Main chassis Module 999 ML error in main chassis Turn OFF the BeoVision 7 Disconnect all ML cables in the ML setup Check ML connections Use the ML tester or a new cable Con...

Page 14: ...iceTool to BeoVision 7 Prepare for Scaler Test Pattern Set DECODER ON in TV MANUAL TUNING Picture OK User setting Communication between ServiceTool and BeoVision 7 OK Scaler PCB ML connection Check an...

Page 15: ...T C 4 2 1 P s u b C I I c n y S H L R T C R E L A C S 9 1 1 P L _ C P R _ C P R G B R E L A C S n r e t t a P t s e T r o t a r e n e g 0 6 1 P T X E _ N O _ T H G I L B T X E _ 1 A _ T H G I L B T X...

Page 16: ...e connection Fault may be in the connection Measure CTRL signal LCD ON 4V at 8P1 pin3 CTRL signal from PCB5 ON circuit on PCB8 and cable W6 Measure CTRL signal LCD ON 4V at 8P2 pin12 CTRL signal from...

Page 17: ...Fault flow chart 2 FP41 FP43 FP42 FP44 PCB4 PCB1 PCB8 PCB5...

Page 18: ...picture in the Scaler Test picture menu Red Blue Green Colours OK LCD tested Fault may be located in either Scaler or LCD Replace Main chassis Module 999 Scaler fault Fault in Scaler output Replace LC...

Page 19: ...Connect antenna cable directly to the tuner input Picture without noise RF Link amplifier Replace RF Link amplifier Defect RF Link amplifier Check antenna connection Cable and connector OK Cable conn...

Page 20: ...or connection W15 Check voltage on PCB1 P9 pin 10 Covered sensor app 7 4V Full light app 6 8V Sensor circuit on PCB58 Replace Main chassis Module 999 Check W15 Connection between Main chassis and Stat...

Page 21: ...PL outputs Sound in all outputs from the DSM outputs no sound in PL output Sound in PL output No sound in one or all output s from the DSM outputs Replace Main chassis module 999 PL circuit defect Rep...

Page 22: ...Connect antenna cable directly to the tuner input Picture without noise RF Link amplifier Replace RF Link amplifier RF Link amplifier defect Check antenna connection Cable and connector OK Cable conn...

Page 23: ...Calibration error Read Error code in Service Menu ST 03 Fault located in the Main Chassis Replace Main chassis Module 999 Measure supply and Turn left right control voltage M1P43 Pin5 14 V Pin2 Turn l...

Page 24: ...14 Output voltage correct Power supply from Main chassis Replace Main chassis Module 999 Check error code Error code 5C 5C DVD Main chassis module 997 Fault may be located in either DVD main chassis o...

Page 25: ...ule 997 PCB74 Voltage supply from DVD power supply 8V 8V 8V 8V 12V 12V 5V 5V 5V 5V 14V 14V 74P103 1 3 5 7 9 11 13 15 17 19 21 23 W74 72P502 3 1 5 7 9 DVD Main chassis Main chassis Module 997 Module 99...

Page 26: ...2 18...

Page 27: ...ult Customer picture set up Brilliance contrast and colour are obtained in the TV SETUP OPTIONS PICTURE The LCD display must be at normal operating temperature before the results of the check and adju...

Page 28: ...e menus and selects a sub menu in special occasions Adjust Tuner takeover IF adjust and FM sound adjust The values A written on the label placed on PCB1 have to be written into the EEPROM 6IC6 Enter S...

Page 29: ...2 Middle position 32 Middle position 32 1 Check the picture quality 2 If adjustment is necessary insert the default factory values 3 Confirm the picture quality Default factory values HOP picture menu...

Page 30: ...GAIN B 22 ANALOG GAIN CVBS 3 ANALOG GAIN R 5 ANALOG GAIN G 5 ANALOG GAIN B 5 SATURATION CVBS 49 SATURATION RGB 64 SUB DECODER DIGITAL GAIN 25 ANALOG GAIN 3 SATURATION 49 SCALER Menu 2 LCD PANEL In the...

Page 31: ...enu are stored in 6IC6 and overwrites the data in 1IC904 The original factory values are hereby lost Do not change the values manually in the Service menu COMBFILTER ON OFF default ON Comb filter ON B...

Page 32: ...oncerning the geometry are measured with the contrast screen mounted Measurements are performed with a ruler or by counting pixels For the best result measurements are performed in a straight angle to...

Page 33: ...must be enabled Customer Service Menu ADJUSTMENTS or SERVICE MENU MONITOR TELETEXT FORMAT ADJUST Geometry adjustment procedure Check the geometry specifications FORMAT 1 16 9 Panorama FORMAT 1 15 9 F...

Page 34: ...ket NOTE To avoid damaging the set it is essential that both terminals of the insulation tester have good contact Slowly turn the voltage control of the insulation tester until a voltage of 2 5 kV ac...

Page 35: ...sure that no streaks or traces of the cleaning fluid are left on the screen or the LCD NOTE Be ware that some types of micro fibre cloth may harm the optical coating due to their strong abrasive effe...

Page 36: ...3 10...

Page 37: ...ess the RED button and within 3 seconds press GO CUSTOMER SERVICE MENU STATUS INFO ADJUSTMENTS STATUS INFO TYPE NO 9351 ITEM NO 1816077 SERIAL NO 00052889 OPTION SETTING 1 AP SW 3 0 IOP SW 22 0 M2 SW...

Page 38: ...lication Processor AP IOP SW Software version for the IOP processor M2 SW Software version for the M2 processor STAT DISP SW Software version for the Status Display processor STB C TABLE SW Software v...

Page 39: ...ETECT ON The WSS Wide Screen Signalling is the signal that set the correct format on the screen The signal is usually on DVD s and may be supplied by the TV Broadcasters BROARDCAST ONLY TV tuner signa...

Page 40: ...s selected the TV will automatically switch between CVBS input or Y Pb Pr input Disabled If a HDTV source is selected the TV is always switched to Y Pb Pr input EXTRA BLANKING Is used when a connected...

Page 41: ...relay for a motorised projector screen is connected it will be switched and the projector screen will pull up If an expander box for other equipment is connected the input will be set high READY FOR C...

Page 42: ...NABLED 4 3 ON TELETEXT ADJUSTMENTS MODULATOR SYSTEM B G CN SOUND OFF WSS STATUS DETECT ON HOP PICTURE MENU HOP SETTINGS BRILLIANCE 11 COLOUR 16 CONTRAST 37 RED DRIVE 21 GREEN DRIVE 21 BLUE DRIVE 21 BL...

Page 43: ...e AV sockets OPTION SETTING Option 0 The IR receiver of the TV is disconnected Option 1 The TV and the Audio system BeoLink system are placed in the same room Option 2 The TV and the Audio system BeoL...

Page 44: ...ockets No error registered TI Transmission impossible TD Data link tied down Motorised stand Motorised stand error codes ST 01 Calibration error too few positions ST 02 Calibration error too many posi...

Page 45: ...TEA6420 Audio matrix AV 100 kHz IIC 2F 98 5 IC600 TDA8754 ADC V 100 kHz IIC 3_2 9A 1 IC1200 TEA6420 Audio matrix AV 100 kHz IIC 2E 9A 1 IC1202 TEA6420 Audio matrix AV 100 kHz IIC 2F A0 5 IC502 M24C02...

Page 46: ...error too few positions Not enough positions are read during Stand calibration The Stand may be blocked ST 02 Calibration error too many positions Too many positions are read during Stand calibration...

Page 47: ...l from the TV tuner DETECT ON Switching on signals from all sources TV tuner DVD playback and AV sockets DETECT OFF Used under certain conditions e g a poor signal to noise ratio the detection may fai...

Page 48: ...Reset to default is activated directly when the menu line is highlighted and GO is pressed The text PLEASE WAIT 30 SEC is displayed While the text is displayed no operation must be done When the text...

Page 49: ...E AV4 NONE SOURCE NONE AUDIO SOCKET NONE IR SOCKET NONE CAMERA CAMERA CAMERA SOURCE NONE AUDIO SOCKET NONE IR SOCKET NONE ADJUSTMENTS VOLUME mid position BASS mid position TREBLE mid position SUBWOOFE...

Page 50: ...ion CONTRAST mid position COLOUR mid position SYNCHRONISE program 1 ENGLISH ADJUSTMENTS SOUND AVC ON FORMAT WSS STATUS DETECT ON AUTO FORMAT ENABLED FORMAT 4 3 OFF Feature box menu MOVIE MODE AUTO COM...

Page 51: ...from TV transmitters in China Normally the frequency deviation is 100 kHz but in China some TV transmitters are transmitting Wide Sound which has a frequency deviation of 360 kHz This results in bad...

Page 52: ...service menu Press GO and the DVD service menu appears To exit the DVD service menu switch the TV to stand by BLOCK SENSITOUCH If this line is set to YES it is not possible to open the DVD loader by p...

Page 53: ...and the TV is swithed on IMPORTANT When the TV is switched on in BUS Ignore mode it may result in further damage to the TV 1 Set the TV into stand by 2 Short circuit the solder pads Marked R937 on coo...

Page 54: ...ions Read out Type no Item no Serial no Software versions Error codes and Service counters Adjustment possibilities Picture adjustments Possible to save current settings to upload settings from the La...

Page 55: ...DVD supply 5 29 Replace NTC 5 30 Replace fan 5 31 1 2 4 3 L701 1 2 4 3 L701 2 2 KOhm Short circuit pin 3 and 4 LCD power supply as shown If not you will damage the LCD panel Warning Discharge the pow...

Page 56: ...mount modules and reconnect cables to the Main chassis 9 Reconnect remaining cables The product is now ready for adjustment 10 Disconnect ESD mat 11 Connect mains 12 Turn on the product Enter TV Servi...

Page 57: ...Reconnect cables to PCB8 The product is now ready for adjustment 8 Disconnect ESD mat 9 Connect mains 10 Turn on the product Enter Monitor Service menu Check picture and geometry 11 Check picture qual...

Page 58: ...ect cables to the Main chassis The product is now ready for adjustment 8 Disconnect ESD mat 9 Connect mains 10 Turn on the product Enter Monitor Service menu Check picture and geometry 11 Check pictur...

Page 59: ...BeoVision 7 32 in service position 5 2 Pull off socket covers 1 Mount servicestand and remove from stand 5x TX20 3 Remove all cables 4 Remove screws...

Page 60: ...5 BeoVision 7 32 in service position 8x TX10 5 Pull off rear cover start at bottom 6 Remove the blank screws 7 Remove the black screws 8 Pull off reinforcement bracket 6x TX20...

Page 61: ...Left chassis in service position 5 3x TX20 Pull out left chassis 90 5 5 BeoVision 7 32 in service position Remove screws...

Page 62: ...5 Right chassis in service position 2x TX20 5 5 BeoVision 7 32 in service position Remove screws Pull out right chassis 180...

Page 63: ...Remove contrast screen 5 Lift and pull of contrast screen 4x TX20 5 5 BeoVision 7 32 in service position Fig 1 5 Remove screws...

Page 64: ...hort circuit pin 3 and 4 LCD power supply as shown If not you will damage the LCD panel 5 7 Left chassis in service position Remove shield for LCD plug 1x TX10 Remove LCD plug and 8P2 1P186 W5 LCD 8P2...

Page 65: ...Replace LCD 5 11 Remove GND plug GND Remove DVD touch panel Remove DVD front cover by releasing the snaplocks Remove screw at DVD loader 1x TX20 Use dedicated tool GND...

Page 66: ...5 12 Replace LCD Lift and pull of contrast screen Remove screws at front frame 8x TX10 Remove GND on back of front frame 1x TX10 4x TX20 Remove screws...

Page 67: ...Replace LCD 5 13 Remove front frame Remove screws Gently pull out LCD panel 8x TX10 Mounting new LCD Remember correct placement of W6 Remember placement of foam Foam W6...

Page 68: ...1x TX10 1P184 1P185 1P104 1P156 1P155 1P105 1P186 1P09 Remove cable on PCB2 2P153 5 20 Remove DVB S If mounted Fig 6 10 Short circuit pin 3 and 4 LCD power supply as shown If not you will damage the L...

Page 69: ...Replace 999 Module Main chassis 5 15 Remove LCD plug and 8P2 W5 LCD 8P2 Remove GND plug Remove screws 2x TX20 Remove screws and lift of Main chassis 2x TX10 GND GND...

Page 70: ...5 16 Replace 999 Module Main chassis Note transfer 6IC6 Replace using IC pliers part no 3629145 IC SOCKET 6IC6...

Page 71: ...72P507 72P505 72P500 72P504 72P502 72P501 72P503 72P508 Remove screws Remove plugs on front of 997 Module Remove plugs on rear of 997 Module 5 5 BeoVision 7 32 in service position 5 8 Right chassis i...

Page 72: ...anism Remove DVD touch panel Remove DVD front cover by releasing the snaplocks Remove screw at DVD loader 1x TX20 5 5 BeoVision 7 32 in service position 5 8 Right chassis in service position 2x TX20 R...

Page 73: ...ce 996 Module DVD mechanism 5 19 4x TX20 72P507 72P505 72P500 72P504 72P502 72P501 72P503 72P508 Remove screws Remove plugs on front of 997 Module Remove plugs on rear of 997 Module Pull out DVD mecha...

Page 74: ...on 7 32 in service position 3x TX10 6 Remove cover 7 Remove aerial cable for DVB S 5 7 Left chassis in service position 8 Remove cables on PCB1 for DVB S 1P14 1P33 2P152 9 Remove cable on PCB2 for DVB...

Page 75: ...Replace 990 Module DVB S 5 21 3x TX20 11 Remove screws and pull out DVB S...

Page 76: ...5 22 Replace PCB2 Scart 3 5x TX10 2P154 2P153 2P152 2P151 2P150 Remove screws Pull out right chassis 180 Remove screws Remove plugs 5 5 BeoVision 7 32 in service position 2x TX20...

Page 77: ...ision 7 32 in service position Short circuit pin 3 and 4 LCD power supply as shown If not you will damage the LCD panel 5 7 Left chassis in service position 8P2 Remove plugs at PCB8 8P1 Remove screw 1...

Page 78: ...5 24 Replace PCB32 DSM 32P12 32P411 Remove plugs 5 5 BeoVision 7 32 in service position 2x TX10 Remove screws Pull out right chassis 180 Remove screws 2x TX20...

Page 79: ...Replace PCB41 Home Cinema Control 5 25 2x TX10 Remove plugs 41P185 41P184 5 5 BeoVision 7 32 in service position Remove screws...

Page 80: ...5 26 Replace PCB58 Status display Lift and pull of contrast screen 4x TX20 Remove screws 5 5 BeoVision 7 32 in service position Fig 1 5 Remove screws Remove plugs 3x TX10 58P141 58P32...

Page 81: ...5 27 Replace PCB59 Camcorder 2x TX10 59P50 5 5 BeoVision 7 32 in service position Remove plug Remove screws...

Page 82: ...5 28 Replace PCB63 Modulator 1P63 P C B 6 3 Remove plug Remove cover Remove modulator Remove screw 1x TX10 5 5 BeoVision 7 32 in service position 5 7 Left chassis in service position 3x TX10...

Page 83: ...5 29 Replace PCB74 DVD supply 3x TX10 74P103 74P114 Remove plugs 5 5 BeoVision 7 32 in service position 5 8 Right chassis in service position Remove screws...

Page 84: ...5 30 Replace NTC Remove screw behind gasket 5 5 BeoVision 7 32 in service position 5 10 Remove LCD display 1x TX10...

Page 85: ...fan Remove cables for fan 5 5 BeoVision 7 32 in service position 5 18 Remove DVD mechanism 1P184 1P185 Remove screws 4x TX10 Mount new fan on bracket Remember to place cabletier correct Cut rubber bus...

Page 86: ...5 32...

Page 87: ...g Motion Compensated Film Mode Digital Adaptive Noise Reduction Digital Colour Transient Improvement Digital Adaptive Dynamic Luminance Peaking Blue Strech Adaptive Black Operation Beo4 remote control...

Page 88: ...e type survey Optional Digital Satellite module DVB S Type 4038 part no 1403800 Home Cinema Control kit Type 4364 part no 1436400 Table stand black Type 4097 part no 1409766 Motorised table stand alum...

Page 89: ...shield Pin 20 Data 5 Pin 21 Data 5 Pin 22 Clock shield Pin 23 Clock Pin 24 Clock C1 Analog red C2 Analog green C3 Analog blue C4 Analog hor sync C5 Analog GND AV4 Phono Composite video in 1Vpp 75 ohm...

Page 90: ...s Pin 12 Not used Pin 13 Red GND Pin 14 Blanking GND Pin 15 Red in 0 7 Vpp 75 ohms is also used for C in not on AV3 Pin 16 Blanking in Logic 0 0V to 0 4V Logic 1 1V to 3V R in 75 ohms Pin 17 Video out...

Page 91: ...stem Modulator Market B G B G L L D K I B D M D K I 9331 2 B G G NEU Austria Belgium Croatia Denmark Finland Germany Greece Holland Israel Italy Kuwait Norway Oman Portugal Slovenia Spain Sweden Turke...

Page 92: ...P140 P117 W5 6277814 P123 P14 P25 6277926 W40 P63 P300 P405 6277940 W12 2 2pins Plug SHAVER 7219099 P23 P301 Pb W14 6270230 Ptu P185 P184 P186 P186 W30 6277914 Pc 6270071 W43 Pa 6277926 W42 P008 Pb 6...

Page 93: ...AL W70 6277929 P507 W69 6277797 P508 P525 W66 MECHANISM 95 P524 TTM Pb P528 P157 LOADER_DRIVER 76 P159 P158 P526 P170 79 LIGHT W75 P156 6277959 W72 P105 W73 6277959 P104 6277511 W74 P114 P155 6277959...

Page 94: ...3 2 5 2 2 5 2 4 3 2 2 5 9004 16 16 16 16 16 16 16 1 17 2 2 2 2 1 1 1 1 1 1 20 20 20 20 20 20 20 20 20 20 20 21 2 2 1 1 1 1 1 20 20 20 1 1 1 1 1 2 2 2 2 2 2 2 2 12 5 1 1 1 1 1 22 22 20 22 22 Incl pos n...

Page 95: ...over f connection panel 9028 3151362 Snaplock 9029 3375492 Service stand 2 pcs incl pos no 9028 9030 3300038 Gasket 9031 3151910 Iron frame 9032 3151850 Holder f PCB41 9033 6270077 Cable Power Link 0...

Page 96: ...BeoWise 3375151 USB RS232 bridge 3395397 Cable kit for ServiceTool complete Accessories See specification guidelines page 6 2 Available documentation See Retail Ordering System STATUS DISPLAY 58 59 C...

Page 97: ...2040 Outer carton 9304 3917105 Foam foil 9305 3392200 Distance pipe 9306 3392200 Distance pipe 9307 3392040 Outer carton 9308 3917105 Foam foil 9309 3392038 Outer carton bottom 9310 3392023 Wooden pal...

Page 98: ...pos nos 9517 9518 15 Incl pos no 9520 See page 8 7 9515 3151142 Bracket 9516 3010057 Stopper white 9517 2950111 Cover 9518 2950050 Conduit 9519 3459470 Cover plate incl pos no 9520 9520 2576017 Scratc...

Page 99: ...15 3151142 Bracket 9516 3010057 Stopper white 9517 2950111 Cover 9518 2950050 Conduit 9519 3459470 Cover plate incl pos no 9520 9520 2576017 Scratch shield 9521 2950116 Aluminium tube incl pos nos 951...

Page 100: ...0662 Bag w 6 x foot 9532 3114003 Cover f motor 9533 8400004 Motor 9534 8052028 PCB f motor 9535 2732156 Belt 9536 3114496 House W66 6270109 Wire DIN 5 pole W75 6277038 Ground wire 6 2033001 Screw 7 x...

Page 101: ...2950050 Conduit 9540 2950119 Alu tube 9541 2620004 Friction disc upper 9542 2620003 Friction disc lower 9543 3031021 Mounting bracket 9544 3151819 Wall bracket 9546 2950120 Bracket f loudspeaker inc p...

Page 102: ...cket f loudspeaker incl pos no 9518 17 9547 3151818 Wall bracket 1 2015001 Screw 4 x 12mm 2 3341008 Plug 3 2830030 Needle 4 2058077 Screw 5 x 20mm 5 2058076 Screw 8 x 45mm 15 2015001 Screw 4 x 12mm 16...

Page 103: ...ver 9518 2950050 Conduit 9548 3454038 Plate 9549 3031078 Arm 9550 2950114 Aluminium tube incl pos nos 9517 9518 9548 15 9551 3454039 Bottom plate incl pos no 19 2 3341008 Plug 3 2830030 Needle 4 20580...

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Page 106: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 3538047 06 06...

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