Question about Technics SA-AX720 Receiver

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Technics SA-AX720 Moved system for decorating, hooked it up exactly as before. Now I can hear sound from the right channel but the left chennel produces a clicking sound, changing the speakers over produces the same effect.

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  • randomex Aug 23, 2008

    Technics SA-AX720 Receiver Problem:



    Hi there!

    I need specific advice for this receiver which I recently bought from yard sale.



    Irrespective of inputs, viz. phono or tuner,

    symptom:



    when the logic/prologic selector on the left is turned to "off", i.e. 2-way stereo only, it works ok with either speakers A or B and or with surround sound speakers.



    However, when this selector is turned to Surround Sound, or Stereo 3, or in any one of the Pro logic modes, the sound from all speakers & headphone may suddenly go off or may come back some time later, but often NOT.



    Some times when I turned off the power and turned it back on, it works again, but often NOT.



    If I switch off the speakers (A) and/or (B), the headphone works.



    Any solid solution (e.g. suggest whichever component may go wrong) will oblige!

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Look for lossing solders points or bad conections. Start to look on those components of hi wattage and components to get hot alot, those are the most common to have weak solders spots.
Also some equipment need to be clean because the dust can make problems.
good luk.

Posted on Feb 18, 2008

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Posted on Jan 02, 2017

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