Question about Sony KV-27S36 27" TV
The tv will come on but no picture and the little red light on the tv does not "flash". It stays a consistent red. However, if I use the remote to turn it on, the red light on the remote flashes three times.
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This sounds more like a vertical deflection fault rather than a horizontal fault. I have my doubts has anything to do with the flyback, unless it is one of the supply voltages from that section.
Most of the common failures in your model series for this type of fault are many of the electrolytic caps and cold solder connections to the output devices since they run very hot.
Use a heat gun and circuit freeze to troubleshoot for the fault. Heat the caps in the vertical deflection area, and then test them with an ESR meter. You can then use the circuit freeze to test the questionable caps in the cold state after you find them to be failing from heat.
Posted on Feb 11, 2008
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