Cut out my sony bravia tv keeps cutting out every 5/10 seconds..it switches it self off..!!!!...can someone please help...

chip failure

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CNETJun 11, 2015 - I have a Sony Bravia KDL52V5100 LCD TV & after only having since May 2009, I am now having sound ... I'm going to purchase a new HDMI cable to see if that might solve the sound cutting out problem. ... Has anybody come across problems like these 2? .... Sony is and always has been one of the best TV's on the market. Netflix app on Samsung Smart TV audio dropping out
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A loud humming or buzzing noise is coming from ... - SONY

What is the model number of your tv?
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Usually this happens to my set when I am in HD cable channel mode after being on a non-digital ANALOG channel.

I basically reset the TV by changing to a DIGITAL cable channel -- stay on that channel for ten-twenty seconds -- then I switch back DIRECTLY to a HD channel (key in channel number directly on remote).

TV works fine -- seems to be a glitch when the TV changes modes from Analog to HD

Your power board got zapped you will need to replace it.

Hi my name is Roety,
I can help you with your issue ,
Without a model number, I do work on sony LCDs.
The audio is on the mainboard. You need the mainboard replaced.
Reboot every device by unplugging the AC power , if the sound still cuts off replace the mainboard
　
　
　
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Thanks
Eric

I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771

If this is a flat panel sony LCD--probably a bad CCFL inverter.

Go to Sony website and download the newest firmware for your tv

I'll buy your broken tv from you. I need some part to fix my own tv. Thanks. email me at lbarzola at gmail . com. Remove the spaces and change the at for an @. Thanks.

I had the same problem, seems to have something to do with the external aerial socket. I unplugged the aerial and had no more trouble (only a solution if you don't use freeview)