Question about Sony LBT-G3300 Shelf System

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No power Unit does not power on. I checked the fuse on the power supply and it was blown. I purchased a new fuse (5A -125V) and upon installation the fuse blows immediately after power is switched on. Any ideas from here?

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Hi Nikadis your problem is shorted,when you going to change new fuse its blown away.The diodes there in supply is shorted change that ,and the capacitor also short look it up.If you do this your unit will come on.message me whatever the result.

Posted on Jun 17, 2008

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TV blew fuse. Replaced with 125v 5 amp from a 33 inch Toshiba that has gone bad. The 5 amp also blew. Purchased new 4 amp fast blow fuse for unit, now nothing happens, i.e., no blown fuse, no circuit...


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Lots of these sets develop bad solder connections on that board--several sites on the internet offer to have you remove and send them the board to resolder--this set used lead free solder and after some years has problems--a few I have opened had clearly broken solder joints--I usually in this case remove the board(mark all the many plugs and make a diagram) and solder almost all of it by hand----usually fixes this kind of trouble.

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According the parts list on the model unit your fuse is suppose to be F101,FUSE 6A 125V. Is it possible that you have an undersized fuse?

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Continuing questions from Tony Fidaleo


I've sent you an email to request the copy of your PDF file to see what part in the circuit is making the fuse blow.

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