My Sony Bravia KDL-40V5100 powers on, I hear a click,the screen glows gently for about 3-5 seconds,stops glowing,and then powers off. Only green LED lights up . No red or amber lights come on throughout this process. Thank You! Rico L.
Hi Justin and others, did the first recommendation of a new main board solve the problem? It appeared there where a few answers?
I too now have a Sony Bravia KDL 40V5100 that is showing identical symptoms.
looking forward to hearing what fixed the problem?
Thank you, Mathew
I chose to replace the main board. Didn't work. Note, it was tough to find, but I found a replacement from ShopJimmy's ebay store. I carefully installed the new main board. The resulting replacement did not fix the TV. Standby Red LED now works! Upon power up, Red LED goes Green. in about 8 seconds, the back light comes on, then after 0.5sec, backlight goes dark with the loud click that we all know. The backlight is dark, and then where with the previous main board, the power would cycle, now it sends the TV to standby Red LED. There is no blinking counts with the Red LED, just goes solid on. I can turn the TV right back on wiht the power button, or remote, then the cycle starts over. Please help?
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Main board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/
SOURCE: volume control on sony bravia kdl-40v5100 is not
If you are using a Motorola cablebox, you may need to change the Audio in the cablebox to Heavy Compression. You can find this in the cablebox Menu, Setting, Audio. Set the audio to Advanced then change the compression.
SOURCE: My Sony Bravia KDL-26S3000 won't turn on and is stuck in standby.
Hi,
There is a power fault with one of the PCB's inside, contact Sony if you are still in warranty, if not contact a Sony service center as it will need an engineer to open it up to repair it.
Thanks
SOURCE: When turning on TV, sound is often absent.
Unplug,replug the tv about an hour later,let the tv reset itself.Tries goto tv menu,go to AUDIO,go down to reset the audio setting,back to factory setting.Goto menu to PICTURE,go down to reset,to resetting the Tuner board back to factory setting.The sound,should be there,now all the time.Not,than the Tuner board have problems.That the board,where the broscasting signal cable plug into it.That the Tuner board.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish Tuner board for the replacement.
SOURCE: sony bravia l42" LCD TV. No power. Green light on
7 blinks in the this series(KLV) means there is a short in the power supply board. The easiest way to fix this would be to swap out the board. I can find you a replacement if you want to try fixing this yourself.
Sai.
Sorry to say but it sounds like your power supply is bad, although it is possible it is some other components in the TV because turning it off allows all diodes etc to power down completely. Unfortunately after a bit it happens again which leads me to believe again power trouble.
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