Question about Technics SA-EX300 Receiver

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Technics SA-G9057 overload

I disconnected all the speaker and the problem continues (the screen shows the message overload), please somebody be able to help me?

Thanks in advance,
Marcelo.

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  • Anonymous Oct 22, 2008

    Overload

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Check the fan connections at the back. The connections (just two flimsy metal prongs) came apart (I believe), so I have had to re-enforce them with electrical tape so the connections stay together until I investigate a further replacement fan. For now the connections are extremely sensitive to motion/viberation/impact/etc... but it does work now.

Posted on Apr 03, 2009

  • csprevost1 Apr 03, 2009

    Now, before you open up the amp to check the fan, I MUST URGE CAUTION! The fan is right by the transformer. You have three plastic pieces that stick out to hold the fan in the amp case. two of them are in tight spaces, and one is precariously close to the transformer and power unit, and the other is close to capacitors. Of course I need not mention to unplug it for obvious reasons. Hope this helps!

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OVERLOAD
1. unplug the stereo
2. check all speaker connections
3. open the cover
4. clean it [fan dust]
5. unplug the MAIN POWER connections, [ INSIDE THE STEREO ] let sit for 1 minute
6. PROBLEM SOLVED

Posted on Feb 17, 2010

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If you are a technician, try remake every soldering of the Audio output Module ( The big Grey IC ) and to all the components who are fixed to the Big Aluminum Heat sink.This tipe of big thin heat sinjk tend to dilate ( change of size) and move up and down quite a bit due to the high operating temperature of this class of ampli.
Sorry for my bad english writing.
Spider Guy

Posted on Mar 15, 2010

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Posted on Jan 02, 2017

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