Question about Sony KP-53HS10 TV
Blinks Are Constant Every 1 Sec.No Pause. What Does This Code Mean?
Nearly all modern electronics uses a 'switched mode power supply.'
They are more efficient but also much more prone to failure but offer the added benefit of being designed so a 'downstream' fault will cause the supply to enter a cyclic state to avoid setting fire to your home.
The supply itself will also cycle if it has an internal problem; once again, to prevent destroying itself or anything dependent on its outputs.
Supplies built a couple decades ago could only do this by blowing a fuse and there are conditions that can occur that would not blow the fuse but would allow overheating and further damage as well as fire.
Posted on Aug 31, 2008
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