Question about Sylvania 6427TE 27" TV
My tv fuse blows out the moment i turned the power swich on .i have tried to replace the defective fuse two times using new fuse from the market.The old fuse size is 3.15 and i used the same fuse size for the replacement but the problem still persists.What do you think is the probable cause?
This set uses a switching power supply. Usually when there is a short on the output side of the switching transformer the supply will just shut down and refuse to operate but normally will not blow a fuse. If the fuse blows suspect a problem with something shorted on the input side of the switching transformer such as I801 regulator IC, diode bridge D801,or other shorted component. Perhaps someone else could tell both of us any other part that could cause the regulator to blow and should also be replaced to prevent regulator failure in the future.
Posted on Dec 05, 2006
Take it to the repair shop and they are going to fix it for much $$$$$$$$$$$$
Posted on Oct 08, 2007
If it is blown the main fuse a diod is blown on the recterfier and most lightly the power tranie too and chech the main cap it could also be on the degouser circut the termister could be gone oc
Posted on Jan 11, 2007
You have a short somewhere in the set. The majority of the time it is the Horizontal Output Transistor and probably the flyback but it could be anything. I've seen vertical ICs short, electrolytic capacitors, audio IC's, you name it. If the HOT checks Ok you will need to do systematic troubleshooting which may be beyond you're abilities. If so, hire a professional. In any case remember safety. These sets can be dangerous. Good luck.
Posted on Jun 23, 2006
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Posted on Jan 02, 2017
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