Question about Sony KDL-46XBR5 46 in. LCD HDTV

1 Answer

Theres no picture on my sony bravia KDL-40S4100

When i press power on my remote, the green light at the bottom of the tv,(the light display "center")comes on but i have no picture whatsoever... i cant do anything with the remote as far as pressing buttons etc. the only button that works is the power button... I have a Sony KDL-46XBR5 that sometimes powers on.  Most of the time when turing on the power only the display light on the Sony emplem lights up but no picture or sound.  When it does come on, the picture and sound, after a while it starts to click in the back and then sometimes shuts off.  Any ideas on whet the problem is?  It's past the warrentee. Thanks

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  • stugaz15 May 21, 2009

    Same problem only with a Sony KDL-40XBR5. Please let me know when or if you find a solution. Thanks!

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1 Answer

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  • Sony Master
  • 74,473 Answers

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Posted on Apr 05, 2017

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Posted on Jan 02, 2017

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  • 121 Answers

SOURCE: theres no picture on my sony bravia KDL-40S4100

Try pressing the TV/Video button. The problem could be that the TV is set to an input with no source.

Posted on Feb 25, 2009

  • 187 Answers

SOURCE: i have a sony bravia model # kdl-40s4100 40 in

If you have the led light on, then you need to replace the mainboard.

If no led light then replace the powerboard.

Posted on Jun 06, 2009

  • 89 Answers

SOURCE: SONY BRAVIA KDL-40s4100 is not working right

Please check whether the connections are secured between the TV and the connected devices.

If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.

Try connecting the TV to a different wall outlet and check if that helps.

Please connect a different device to the TV and check whether the issue persists.

If the issue still persists service of the TV is determined.


Posted on Jun 18, 2009

vinnyq
  • 157 Answers

SOURCE: My Bravia KDL-40S4100 lost all 3 of it's HDMI

There is a problem with the processor. The only way to resolve this issue is to replace the main board. It is called the A board in your TV.

There are two for this model and the correct one will depend on what your serial number is.

Part numbers are as follows:
part # 185709211 for Serial #
1,000,001 - 1,350,000
1,700,001 - 1,750,000
1,800,001 - 1,804,270
1,804,271 - 1,818,372
1,818,373 - 1,830,000
list price: $504.87 core charge: $680.00

part # 185709231 for all other serial numbers
list price: $505.87 core charge: $600.00

Posted on Nov 09, 2009

Testimonial: "Thanks, Now I wonder who all shares the same problem and if Sony is willing to do something about their defective products..."

  • 51 Answers

SOURCE: I have a 42" Sony Bravia KDL-40S4100

Probable power supply

Posted on Dec 15, 2009

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If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Troubleshooting procedure for No-Picture is given in detail.

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If you are somewhat handy you could do it yourself! but it requirestaken tv fully apart. There are a lot of screws that should be baggedseparate as you go along. To ensure tv can be reassembled. follow thesesteps or have a expert do it!

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If this sounds to confusing Irecommend having an expert do this work! If you have found this helpful. Good luck!!

Part is $89.95
Sony Back Light Inverter SSB400W20S01 KDL-40S4100 or Check ebay!!

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This seet should provide some diagnostic help. The standby light should be blinking a repeated count with a pause. Post that count here. Also, is there sound?

The above info will indicate the problem circuit which will then suggest the remedy.

Thanks,
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