Question about Samsung HP-S5053 Television
Less than 2 year old Sumsung plasma, the blue light is on and there is no picture it also making a clicking noise in the back. Sumsung Executive Customer Service is a scam . I have no warranty please help.
I fixed this model of TV. Symptom was NO POWER. Totally dead. Not even a blue LED up front. Here's what I had to do...
I found a blown thermistor on the power supply board. It's green and located near the 120vac mains input to the board. There is a component number written on the board near it (as with all components) and it begins with "TH" i believe. So it will be something like "TH101". It was very easy to identify that this part had gone bad on my power supply, as i was literally blown apart and debris had been scattered all about the area.
Before finding this faulty component, I had done some preliminary voltage testing from the power supply's outputs. I started with the 5 volt stand by signal feeding into the logic controller board. It was bouncing around from 1v-3v.
After replacing the faulty thermistor, there was a steady 5v signal on the standby circuit. However, the blue power button was still not illuminating. And there was absolutely no voltage going into the power button board (which is fed from the logic controller). So after attempting to replace a few dozen suspect high ESR SMD caps on the logic board (to no avail), I ordered a new one.
And then the TV came to life.
Works great now!
Feel free to ask for advice.
Chris Boise LCD firstname.lastname@example.org www.boiselcd.com
Posted on Dec 02, 2009
Samsung manufacture warranty is 2 years.
Posted on Feb 06, 2009
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Posted on Jan 02, 2017
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