Question about Yamaha DSP-AX1 10-Channel Amplifier
The AX1 always goes into protect mode after not being used for 2 days and wont switch on.
Just remove the speakers first and try to turn on.. let us know what happens without the speakers.
Posted on Mar 19, 2008
First, perform a visual inspection at the back of the unit and verify that speaker wires are not loose or shorting out with another connection. Find the impedance selector switch and verify that it is set to the proper position according to your speakers' impedance. It has to be all the way up or down, never in the middle. (Warning: Do not move the impedance selector while the receiver is powered. Make sure power is OFF on in standby, otherwise receiver will be damaged). Try power ON.
If these actions do not cure the problem, disconnect all speakers and try power ON again.
If the unit powers on, it is possible that one or more of your speakers or wires are damaged.
If none of the above actions fixes the problem, it is very possible that the receiver's internal circuitry is damaged.
Hope this helps you. Let me know.
Posted on Dec 29, 2007
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
Tips for a great answer:
Dec 28, 2013 | Yamaha DSP-AX1 10-Channel Amplifier
Is this new equipment or a new problem on working equipment?
Register and download the manual for free at retrevo.com
See Troubleshooting Page 79
Impedance Selector in between settings
Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; 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.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
Apr 07, 2011 | Yamaha DSP-AX1 10-Channel Amplifier
Jan 02, 2011 | Yamaha DSP-AX1 10-Channel Amplifier
Nov 02, 2010 | Yamaha DSP-AX1 10-Channel Amplifier
Aug 26, 2010 | Yamaha DSP-AX1 10-Channel Amplifier
Oct 06, 2009 | Car Audio & Video
May 20, 2009 | Toshiba Televison & Video
Sep 28, 2008 | Autotek Car Audio & Video
Jun 12, 2008 | Cellular Innovations HFBLU-AX1 Bluetooth...
Dec 01, 2006 | Lanzar Vibe 218 Car Audio Amplifier
269 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: