Question about Sony BRAVIA KDL-52XBR3 Television

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KDL-52xbr3 green light stay on but TV will not turn on.

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Posted on Jan 02, 2017

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vinnyq
  • 157 Answers

SOURCE: sony bravia kdl-52w3000, turn tv on, no picture or

Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.

To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).

Posted on Oct 07, 2009

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  • 2 Answers

SOURCE: KDL-40s4100 power light on, black screen

Main PCB is bad . I just got the information from a Sony authorize servicer price for the part only $504.87

Posted on Dec 05, 2011

SOURCE: sony kdl-32l504 turns on and then immedietly turns off

Check the 3.3 v standby voltage is there or intermittent low, We found the capacitor C9101 on the H2 board (LED/IR Board) has leakage that will cause this problem.

Posted on Oct 12, 2012

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We have a 2007 Sony Bravia 46" KDL-46VL130. There is not sound or picture. When we power it on the green light comes on blinking once and then the red light blinking once and then the green light stays on....


Does the front light stays green ? Or goes back to red ? The back-light going on/off maybe the problem, but it shoul return with a red blinking led (4 times ?) and if so it can be a power inverter problem.

Oct 09, 2013 | Sony Bravia KDL-46VL130 TV

1 Answer

I have a sony KDL 46xBR2 when I turn on powers up green light stays on but a dark gray screen no picture or sound


The green light merely indicates that power is getting to your TV. The symptoms you describe point to internal power supply failure

Mar 17, 2013 | Sony BRAVIA KDL-52W3000 52 in. LCD...

1 Answer

Sony bravia black screen audio ok


It is a LCD set and if sound get it in a very dark room and with a flashlight and the set on look to see if you see a very faint image on the screen.

Almost all these sets use a back light system for brightness---an inverter of some type to power the lights---either the back light is bad or the voltage for it is not present or being turned on.

Nov 05, 2012 | Sony BRAVIA KDL-52XBR3 Television

1 Answer

KDL-40s4100 power light on, black screen


Main PCB is bad . I just got the information from a Sony authorize servicer price for the part only $504.87

Nov 27, 2011 | Sony Bravia KDL-40S4100 40 in. LCD TV

2 Answers

KDL52XBR3 Sony Bravia turns off automatically after minutes of being on. Then it turns back on automatically. THe picture and sound are great and problems when on. What could the problem be?


Tv power supply board is having problems,that the board where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Apr 05, 2011 | Sony BRAVIA KDL-52XBR3 Television

1 Answer

Sony Bravia kdl-46S3000 flashing red lights


Sounds Lamp is weak in this TV.
Please replace lamp and procedure is written in TV user manual.

Mar 14, 2009 | Sony BRAVIA KDL-46S2000 46 in. LCD HDTV

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