My tv keeps turning itself off (to standby) then 1 of 3 things happen:
1) the red light flashes then the set sometimes comes back on or; 2) the red light flashes 4 times then five & repeats this pattern and will not come back on without being turned off & on completely.
3) the set will not come back on and sometimes after a few hours I can switch it on and it will be OK for a bit, then it starts again.
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Jan 12, 2013 - I need help with my Sony TV. The red flashing light keeps going on and off. ITs on standby. can someone guide me as to how to fix the problem. ... I have a Bravia KDL52W3000 with a 7" wide dead pix... Television - Picture & Sound ... What is the exact model number of the Sony TV? Check if the same issue ...
These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.
well first of all if anything happens when you push the button then the button works! I think you should leave this one to a professional technician. There is a circuit problem that will require advanced knowledge.
Your problem is in the switch mode power supply or the horizontal out circut.
sometimes the small CHOKE that feeds the base of the horz. out transistor has a cold solder joint.
resolder both ends first.
I do not know of a code, but it is a good idea in the design to have several goes at starting a circuit, before completely shutting it down.
Oscillators are supposed to self start due to noise generated.
Some electronic circuits require a reset pulse to be generated before the start up is allowed. The reset circuit may not be generated if the set is turned on again too soon, so it will stay in standby.
This may normally be a few minutes to 30 minutes so it seems something in your set is faulty and could get worse.
Try a test run with the back off and clean it out of dust with a long brush to keep it cooler. Make sure little fingers cannot get near it.
Look to see if anything is obviously overheating.