Question about Sony FD Trinitron WEGA KV-36HS420 36" TV

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Sony tv there's no picture, but sound that comes from the tv. The timer light on the front of the screen constantly flashes and after a few seconds it shuts off.

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  • Anonymous Jun 10, 2008

    Sony FD Trinitron WEGA KV-36HS420 36" TV 3years old and i have the same problem no pic only sound red light blinks and set turns off



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The trouble of your tv is memory

Posted on Oct 15, 2007

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Hi, We have a 42" hslc10668phz


generally when you get a constant green light all is ok. these different lights indicate different problems within the tv. so the pattern of lights you mention suggests there is a fault of some kind (is there a troubleshooting section in your manual)? either way it needs to be looked at.

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I was watching TV and suddenly the screen went black. No picture, no sound. On/off timer LED on TV started blinking. I could not turn it on (or off) with remote or ON switch on TV. I found that if I...


The television is shutting itself off to protect itself. The blinking light is a code pattern. The specific code determines whether or not you need an LCD Controller Unit, Main Board, power supply or something else. You would need the service manual. There are parts distributors you can get it from and the parts as well. If soldering and tv repair is not something you are entirely familiar you may want to seek a tv repair person. The manufacturer's support may walk you through the service menus to complete a factory reset depending upon the symptoms.

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after holding down the menu and device the led will blink a two digit error code such as 3 blinks pause then 4 blinks then repeat that sequence a couple of times. Need that blink code to help let you know whats going on. The 34 code means lamp abnormality which translates to the power Pwb capacitors have most likely failed.

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PLEASE HELP QUICK! 36" Sony blinking 4 red times


probably this is the small mailfunction,probably some contacts,but you probably not a qualified to do this repair ,so please call a service man

Feb 07, 2008 | Sony FD Trinitron WEGA KV-36HS20 36" TV

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TV Picture Goes Black


I had the same exact problem.
I removed the bulb and cleaned it. There is a small screen at the top of the bulb and it was covered with dust. Once it was cleaned I replaced the bulb and it solved the problem.
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