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Bang & Olufsen BeoVision 10-40, Service Manual

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Bang & Olufsen BeoVision 10-40 Service Manual Download Page 14

2.8     Fault flow chart

Fault symptom:
No sound output on Power Link

Possible causes:
PCB14, Main
PCB32, DSM

Confirm voltage on 

PCB32, DSM P13.

Pin 4 + 5 = +12V

Pin 2 = GND

All OK?

Check connection 

between PCB14, 

Main and PCB32, 

DSM

OK?

Replace cable or 

re-establish 

connection

Replace PCB14, 

Main

Flash update DSM- 

FEP  

and DSM DSP. 

Sound OK?

Yes

Does Loudspeaker 

switch on?

Confirm correct 

settings in user 

menu:

(TV -OPTION - 

SOUND - SPEAKER 

TYPES)

No

Replace PCB32, 

DSM

Replace PCB14, 

Main

Summary of Contents for BeoVision 10-40

Page 1: ...ion 10 46 Type 9565 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 d...

Page 2: ...ervice 1 2 Fault flow chart 2 1 Adjustments 3 1 ServiceTool 3 8 Final check after repair 3 9 Service Mode 4 1 Replacement of modules 5 1 Specification guidelines for service use 6 1 Block diagram 7 1...

Page 3: ...CB01 Tuner PCB04 Power Supply PCB10 Audio PCB11 IR Receiver PCB12 Filter PCB14 Main PCB21 Engine f DVB HD PCB22 Front End f DVB HD PCB32 DSM PCB51 System Module PCB59 Camera PCB61 BtB Optional FAN 04...

Page 4: ...ion must be made in the Retail Order System Exchange Module BeoVision 10 can be serviced hanging on the wall bracket or on the floor stand Service stand can be mounted Connect the mains cable to the B...

Page 5: ...to the static protective field 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 o...

Page 6: ...it is mounted on a wall bracket or stand since it cannot stand on its own You must not move the product when it is switched on Please make sure that the product is completely disconnected from the mai...

Page 7: ...on internal speakers 2 9 No sound in headphones Power Link and internal speakers when using HDMI input 2 10 No sound output in headphones Power Link and internal speakers when using AV1 2 10 No sound...

Page 8: ...rn off Confirm voltages on PCB14 Main J1 pin 1 2 3 4 5 12V J1 pin 15 12V and on PCB04 Power Supply CN202 pin 1 24V All OK Replace PCB04 Power Supply Check backlight ON Confirm voltages on PCB04 Power...

Page 9: ...Possible causes PCB11 IR Receiver PCB12 Filter PCB14 Main Check connection between PCB11 IR Receiver and PCB14 Main OK Replace PCB14 Main Replace PCB11 IR Receiver Check that Light Sense is ON in the...

Page 10: ...video signal from tuner RF Possible causes PCB01 Tuner Replace cable or re establish connection Replace PCB01 Tuner Connect a video source to AV2 CVBS 1 Press MENU 2 Select CONNECTIONS 3 Select AV2 4...

Page 11: ...CONNECTIONS 3 Select AV2 4 Remember the selected source button e g V AUX 5 Set HDMI OFF 6 Set YPbPr OFF 7 Press the selected source button e g V AUX Picture OK Confirm that J14 is connected to PCB51...

Page 12: ...onfirm that backlight is on Re establish connection or replace cable Confirm 24 V on PCB04 Power Supply CN202 pin 1 GND pin 6 Replace PCB14 Main Replace PCB04 Power Supply Replace LCD panel Confirm 3...

Page 13: ...3 CVBS Possible causes PCB14 Main Connect a signal source to AV3 D SUB VGA or HDMI 1 Press MENU 2 Select CONNECTIONS 3 Select AV3 4 Remember the selected source button e g PC 5 Set HDMI A or B if used...

Page 14: ...M P13 Pin 4 5 12V Pin 2 GND All OK Check connection between PCB14 Main and PCB32 DSM OK Replace cable or re establish connection Replace PCB14 Main Flash update DSM FEP and DSM DSP Sound OK Yes Does L...

Page 15: ...PCB32 DSM Confirm signal on PCB10 Audio JA3 Pin 6 8 Pin 7 GND OK Replace PCB14 Main Check that the five internal speakers are OK with use of an ohm meter OK 3 6ohm can be mesured on PCB10 Audio on JA...

Page 16: ...sound output on Power Link Check sound output on internal speakers OK Go to page 2 9 No sound output on internal speakers Replace PCB14 Main Maybe audio matrix fault Replace PCB51 System Module Connec...

Page 17: ...S 3 Select AV3 4 Remember the selected source button e g VMEM 5 Set HDMI OFF 6 Set VGA OFF 7 Press the selected source button e g VMEM Confirm audio output on AV2 R pin 1 L pin 3 GND pin 4 OK No Yes C...

Page 18: ...an audio source to AV3 L R and continue on with the following 1 Press MENU 2 Select CONNECTIONS 3 Select AV3 4 Remember the selected source button e g DVD 5 Set HDMI OFF 6 Set VGA OFF 7 Press the sele...

Page 19: ...g AV1 Replace PCB14 Main May be audio matrix Connect an audio source to AV1 R L and continue on with the following 1 Press MENU 2 Select CONNECTIONS 3 Select AV1 4 Remember the selected source button...

Page 20: ...Cable OK Fault symptom No control of set top box using STB C PUC Possible causes PCB14 Main Replace PCB14 Main Replace IR Remote Cable Connect ServiceTool update software to newest version OK Update...

Page 21: ...ule is in use for instance in a hotel setup it is necessary to press MENU 0 0 GO on the remote control to disable the Hotel Menu Within 5 seconds press MENU 0 0 GO once more to enter Service Menu and...

Page 22: ...2 16 2 16 2 16...

Page 23: ...Menu 3 3 Geometry adjustment 3 3 Geometry specifications 3 4 Picture adjustments 3 5 Default factory values 3 5 Speaker adjustments 3 7 Access to adjustment points 3 7 Speaker adjustment table 3 7 Se...

Page 24: ...ntrast and colour can only be adjusted in the menu PICTURE The SERVICE MENU does not give this opportunity Measurements For the best result measurements are performed in a straight angle to the LCD pa...

Page 25: ...top Modified data is not saved p Moves the cursor down Selects a submenu in some cases l Modifies data n Modifies data STOP Backs up through menus 0 9 Digit Modifies data EXIT Exits all menus Geometry...

Page 26: ...3 4 Adjustments Geometry specifications Format 1 16 9 Panorama Format 1 15 9 Format 1 4 3 Format 2 16 9 Letterbox Format 3 Real 16 9...

Page 27: ...ent of the specific parameters is not described Picture settings TV MENU PICTURE Brightness Contrast Colour Middle position Middle position Middle position Picture adjustments 1 Check the picture qual...

Page 28: ...002 002 002 002 2 2 Film sensitivity 002 002 002 002 002 Pixel boost 000 000 000 000 000 DCS 000 000 000 000 000 DCTI 001 001 001 001 001 Peaking 002 007 010 009 014 Spatial noise filter 007 004 003...

Page 29: ...Audio module must be adjusted accordingly Adjustment must be performed when either speaker unit or Audio module is replaced Access to adjustment points Set BeoVision 10 in service position See page 5...

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