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Technics SU-G91 OVERLOAD PROBLEM

I have a technics su g91 amplifier and speakers a and b will not work and i believe that it has to do something with the "over load" icon being lit up.  I was wondering what that specific icon represented and what i can do to fix it?

I HAVE THE SAME PROBLEM WITH MY SU-G91, BUT THE LED DISPLAY DOESNT WORK EITHER, MY OVER LOAD LIGHT COMES ON WITH WHAT EVER I'M PLAYING "CD PLAYER,FM STEREO ETC." WHAT CAN I DO TO FIX MY STEREO AND HOW MUCH WILL IT COST ME TO HAVE IT FIXED?

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  • Tijuan Wortham Dec 13, 2008

    where can i buy one from email me at tijuan88@yahoo.com if you can tell me where to get it

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THe amp has detected a problem and shutdown to prevent further damage. This unit has 2 amp pacs inside and one or both have failed. If you can solder, you can fix this yourself. The main amp pac is an SVI3206 and can be purchased online for about $60.

Keep me posted.
Dan

Posted on Oct 21, 2008

  • Gregory Thompson Feb 11, 2016

    I'm in need of a svi3206 main amp pac. I can solder. I'll try to find one online or elsewhere. Thanks for the tip!

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I just bought a Technics SU-G91, hoping to connect to my akai GX-230D reel to reel and speakers. do I need to get anything else to hear it, like a receiver/tuner? everything appears to be working or have I just hooked it up wrong?

Posted on May 31, 2013

  • Er-er Dyer May 31, 2013

    does the amp have to be hooked up to a stereo for the reel to reel to play?

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Do you have a user manual for the SU-g91?
THANKS
Steve

Posted on Dec 01, 2011

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1 Answer

I have a Technics SU-G91 amp that is stuck in overload even with no input. I have tried giving it a quick blast of air to dust and still nothing. All help is appreciated!!


Your Technics unit will remain in the overload (protect mode) state until component failures have been corrected. The output stages and/or associated components may have failed.

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User manual for technics su-g91


Check the Technics website, or Panasonic, as Technics was made by Panasonic.

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The SU-G91 uses output IC's ( big black square things mounted on the silver heatsink inside the amplifier ). Once the overload light comes on, the output IC(s) are fried. It will have to go to a repair shop and the output IC's are expensive $80-$100 each !!

Sorry i don't have better news,
Rob

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