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Technics av control amp su-g88 classh+ - Sohowing Overload as soon as it turns on

Someone gave me thies receive (technics av control amp su-g88 classh+), when i connected the receiver, it says overload, Power off and On. I do it and it still occurs. Before i connected anything, since it was a gift, i opened it n checked the small fuses it had, they were good. Then when i conncted it showed me that, what can I do in reference to that.

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  • Anonymous Oct 01, 2008

    it sais overload

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5 Suggested Answers

  • 93 Answers

SOURCE: Technics SU-G91 OVERLOAD PROBLEM

OVERLOAD means that input signal level is too high. Can you be more specific? From which source you play music when OVERLOAD icon appears?

Posted on Oct 11, 2007

maklean
  • 1665 Answers

SOURCE: OVERLOAD MESSAGE

get a manual for ex-140 here
http://ec1.images-amazon.com/media/i3d/01/A/man-migrate/MANUAL000031494.pdf
or try ( i didnt check it) for ex-400 "Unsorted Technics Service Manuals" at
http://www.user-service-manuals.com/technics-service-manuals.htm

Posted on Feb 28, 2008

freetek
  • 5568 Answers

SOURCE: Overload on Technics SA DA10

This is an old message so you may not be interested any more.
There are a couple of possibilities; the high power of this unit seems to fry speakers fairly often and although they mostly fail 'open,' they can overheat causing the voice coil to lose its insultation and cause a short instead.

This may also be caused by the failure of one or more output modules causing the power supply to limit and give you the overload indication.
If an output module has failed and the unit is not limiting current, it may destroy speakers too.

Some knowledge and a decent meter would reveal the nature of the failure pretty quickly but describing the steps necessary to troubleshoot this is a little beyond the scope of this forum.

Posted on Apr 23, 2008

Sparky2012
  • 102 Answers

SOURCE: My Technics AV Control Receiver SA AX530 is in overload

An amplifier should never be turn on without speakers, it will overload internally.
make sure speakers work and try again.

Posted on Dec 04, 2009

Grubhead
  • 4872 Answers

SOURCE: on switching my technics sa-dx750 it says switching off overload

The question is what is causing the overload? The power supply or the output devices on the heat sink?
If you have accidently shorted a speaker wire, then the answer will be output devices, otherwise it could be anything in the power section. You may find a burnt or damged device with either of the causes.

Posted on Mar 09, 2010

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Is there anything on top of the av receiver? Try and run the reciever so that it has enough cooling. B) Allthough overload, there is a possibillity it is causes by speakercables who are shortcircuiting once in a while. Usually somewhere at the back of the reciever or speakers.

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Have you tried disconnecting all the speakers and inputs and turn it on?
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How do I hook up a stereo reciver to the technics su-g91


I assume you want to use the SU-G91 as a power amplifier to drive your speakers. If your receiver has connections for inserting an equalizer (may be labeled pre-amp output and power amp input), remove the jumpers between the pre-amp and the power amp, then run cables from the pre-amp to the SU-G91 inputs. You can have an equalizer between the receiver and the integrated amplifier.
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Does the SU-G88 AMP carry a remote control and can you advise where I can buy one from? Is the amp for sale and how much?


Search engines would reveal those answers faster than waiting for one of us to do it for you.

It DOES use a remote.

http://remotes.com/remotes/servlet/rs?v=1&o=c&o=c&a=Search&uid=0&m=SU-G88&uuid=A13093555179681


http://cgi.ebay.com/Technics-EUR646496-SADX930-SAAX730-SUG88-SAAX7-Remote-/260761453202


Fixya experts provide free advice that would otherwise not be available online or easy to locate, not sales or a proxy search engine service.

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Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


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