Question about Technics SA-AX720 Receiver

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Technics Receiver Fan problem

I read one of your posts about the Technics SA-AX720 Receiver fan not working.  I'm having a problem with it.  It works fine when I'm listening to the Tuner, but when I switch it to any of the other inputs the fan shuts down and the receiver over heats.  I replaced the fan and there is no change.  Can you help me?  E-mail me at grbspltt@gmail.com
Thanks in advance.
Kevin

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5 Suggested Answers

  • 1 Answer

SOURCE: How to set tuner presets in Technics SA-GX550 receiver

The user manual is available free at:
http://support.panasonic.co.nz/docstore/SAGX550%20Book.pdf

Posted on Jun 26, 2008

SOURCE: technics SA-AX720 AMP

The audio amplifier IC of your device are damaged you need to replace it.

Posted on Jul 04, 2008

  • 4234 Answers

SOURCE: Technics SA-AX540 Receiver

It is unlikely that the display itself is faulty although it can happen. The typical problem is either the backlight is defective or the suply to the unit has a bad connection. If you can solder, try resoldering the pins on the display itself. The pins on the ends are the power and ground. I don't recall whether or not your model has a separate back light bulb or not. That too could be burned. Chack for that too.

Keep us posted,
Dan

Posted on Mar 02, 2009

  • 1 Answer

SOURCE: looking for user manual for Technics SA-AX720

You can download them, depending where you are, I have one!

Posted on Aug 04, 2009

  • 11800 Answers

SOURCE: I emailed earlier with my

The overload message appears when the the outputs for the speakers have a resistance less than the minimum accepted for this receiver: 6 ohms.
If you get this warning even without any speakers connected that means that one of the outputs is shorted. To fix it you need to open the receiver, find the shorted output, find out why it shorted and fix it - usually you must replace the power amplifier for the failed output.
The cost will depend entirely of the extent of the damage: if you're lucky it will be just some shorted wires - $150; if you're unlucky it's the main amplifier the one that failed - $350.

Posted on Dec 08, 2010

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Also some equipment need to be clean because the dust can make problems.
good luk.

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