Question about Yamaha DSP-AX1 10-Channel Amplifier

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Very low sound in main left chennel.

When i turn on the AX1 i get sound main right chennel but no sound in left chennel please any one can inform how the will come from left main chennel and what is problem.

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You must have a cabling problem only. from input or source to your output speaker cables. if you are using and external equalizer, disable it and go direct. if you still could not get the unit working you can email me.

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Posted on Mar 19, 2008

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Disconnect the cabel of left channel from your amp disconnect the cabel of right channel and put it in place of left channel if the problem goen your problem is in left speaker itself (cabel or speaker).if the problem excit the problem will be in amplifier output stage

Posted on Mar 12, 2008


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Posted on Jan 02, 2017

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The sound of the LEFT MAIN Cannel disappears on my YAMAHA DSP AX-1

The fact that sound appears at max volume means that it is getting past and through the pre-amp stage. So it would appear to be in the main power amp stage the problem. It would depend what drives the channel, but if it's transistor driven I would suspect one of them.

Oct 31, 2012 | Yamaha DSP-AX1 10-Channel Amplifier

1 Answer

Yamaha DSP-AX1 ,. When turning on it only stays on about 4-5 sec. then shut off. Bob

Is this new equipment or a new problem on working equipment?

Register and download the manual for free at

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

2 Answers

My yamaha DSP AX1 amp does not work when audio is connected via optical or coaxial any suggestions how to correct this. no sound comes from any speaker except the subwoofer.

Are all the speakers turned off (set to None) in the speaker menu.(except the sub)?

2 channel direct analog stereo may still work, but any surround modes will use the speaker settings and the full DSP digital section.

Check also the input mode isn't incorrect - although if the sub is wired correctly and gives sound this can't be whats wrong.

Aug 26, 2010 | Yamaha DSP-AX1 10-Channel Amplifier

4 Answers


i had the same problem. i opened the panel in the back of the tv (3 screws) and opened the aluminum panel (3 screws). there's a red led light located at the bottom left corner of the top board. to the right of the led light, you will find this thing with 4 switches. i turned the two bottom switches "burn" and "epmw" to on. so far tv have been working.

Jun 12, 2009 | Polaroid FLM-2632 Television

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Need a users guide (instructions)

For Cellular Innovations Mini Blue HFBLU-AX1C.
To Pair with Your Phone....

1. Turn OFF Bluetooth Headset
2. With Headset within 1 Ft of your phone, hold down power key for about 8 seconds until indicator light blinks in red and blue color quickly (in pairing mode)
3. Search bluetooth device through your mobile phone.
4. Select HFBLU-AX1C in the bluetooth device list and enter the password 1234.

Jun 12, 2008 | Cellular Innovations HFBLU-AX1 Bluetooth...

1 Answer

No sound

does the speaker relays work?

Aug 19, 2007 | Yamaha DSP-AX1 10-Channel Amplifier

1 Answer

Technics SA-AX720

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.

May 21, 2007 | Technics SA-AX720 Receiver

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