Question about Sony STR-DE305 Receiver

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Sony Receiver STR-DE305

I was listening to music through a pair of cheap AIWA 40 Watt speakers model SX-NA302.  I was in the kitchen when I heard the music suddenly cut out.  I check the LED display on the receiver to discover it has entirely dissapeard.  I deduced that I must have wired the speakers incorrectly and blown a fuse.  The power supply seems to still work as the small orange light on for the bass boost in the lower left corner of the receiver regularly goes on and off when tested with the power button when it is plugged in.  However, if there is a sperate fuse to the LED display then i would assume the receiver would still play music and work regularly if the speakers are hooked up and I am pressing the right inputs.  This is not the case.  It will not work at all playing radio or audio output.  Unfortunatley I don't have the techincal/electtical knowledge of what the problem is or what may have occurred.  Does anyone know if this sounds like a fuse problem I could easily fix by finding and replacing them or could I have fried a critical component?  Any thoughts?  I'd be happy tp provide more details if anyone has any good input as to what the problem could be. Thanks,

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  • evan_skwara Mar 05, 2009

    it does not work with other speakers...i tried.  So I opened it up and i cant find anything close to what resembles a fuse.  Im going to look through the manual and try and find some additional help.  There is a small green circuit board attached above the power box that mentions changing fuses but cannot be removed and doesnt look anything like a fuse.  Also the LED board is completey seperate components of circut boards...maybe i need to take that apart in look inside.?

  • evan_skwara Mar 05, 2009

    I replaced the fuse and as soon as i plugged it in and  turned on the power it blew the fuse instatntly....any idea why that could be?

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It's very likely it is a fuse - does it work with any other speakers or headphones? Is there any reset on the back of the receiver? If not, unplug it, remove the cover and check the fuse(s).

Rate if this helps :)

Posted on Mar 04, 2009

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