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Posted on Aug 26, 2008
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Sony Home Stereo Fuse

I Have an older Sony home stereo system Its a Sony Intergrated Stereo Amplifer. I hooked up two 12" 750 watt subs up to it and while removieng them i accidently touched the speaker wires together, this blew the fuse..but when i put a new fuse in it just blows the fuse again. HELP!

  • Shortsk8ter4 Aug 26, 2008

    Thanks..So how do i identify the outputs?

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Were is the fuse located in the memory bored for my sony home theater amplifer

  • Anonymous Mar 08, 2012

    Were is the fuse located in the memory bored for my sony home theater amplifer

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  • Posted on Aug 26, 2008
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When the wires touched, the output transistors overloaded before the fuse had a chance to blow. The outputs need to be changed. It is possible that the driver stage for the final outputs is bad also, but there is no way to know that without removing the bad outputs. Figure on $25-$45 in parts for this repair.

Dan

  • Anonymous Aug 26, 2008

    The output transistors will be the 3-legged parts attached to the heatsink in the rear. If you have not repaired these units before, be careful as just replacing the transistors might not be enough and could damage the new parts if additional checks are not made.



    Dan

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Subwoofer Connection: Speaker wire to Mono RCA

The easiest solution to use your subwoofer is to buy an amp for it. Any old stereo receiver from a garage sale will probably do just fine.
  1. Connect the mono RCA subwoofer output from your Sony with a 1xRCA-to-2xRCA splitter to both the left and right input of the cheap reciever's tape or aux input
  2. connect both speaker outputs of the cheap reciever to the speaker input on your subwoofer. make sure both black (-) outputs on the reciever connect to the black input on the sub, and the red outputs (+) on the reciever are both connected to the red input on the subwoofer.
  3. make sure the cheap receiver's volume is all the way down. turn your Sony up to about the loudest you'll listen to it. turn up the subwoofer amp until it's loud enough to sound good.
  4. leave the subwoofer amp alone, the Sony volume will all you ever need to touch from now on.

You can even now turn off your subwoofer / adjust the volume easily now!
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