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Sound cuts on my ar650 amplifier

The sound is restored by pressing the speaker switches.

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  • Audio Player... Master
  • 5,190 Answers

Try spraying the switch with Servisol Video 40.

Posted on Jan 27, 2013

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Posted on Jan 02, 2017

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SOURCE: Sound cuts off

OK,  That means there's some kind of crazy fault in the temperature sensing circuits. I'm afraid you'll have to take it someplace and have it looked at for a more thorough diagnosis.

Posted on Sep 17, 2008

pumpkinman
  • 1147 Answers

SOURCE: Technics S600 Mk 3 Amplifier suffering cut out afer approx

sounds as if amp is clipping.do you have the gain hi, turn it down.are the amps getting good air.are they drawing alot of power from batt alt...do the big 3.

Posted on Sep 06, 2009

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1 Answer

It keeps turning off eventhough the back switch is turned on


You need to determine if its a malfunction of the sub or just due to a loss of input. And is it always in response to, say, over-enthusiastic use?

From the manual...

TROUBLESHOOTING

If you used the high-level (speaker) inputs and there is no sound from any of the

speakers:

• Check that receiver/amplifier is on and a source is playing.

• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.

• Check all wires and connections between receiver/amplifier and speakers. Make sure all wires

are connected. Make sure none of the speaker wires are frayed, cut or punctured.

• Review proper operation of your receiver/amplifier.

If there is low (or no) bass output:

• Make sure the connections to the left and right "Speaker Inputs" have the correct polarity (+ and -).

• Make sure that the subwoofer is plugged into an active electrical outlet and switched on.

• Adjust the crossover point.

• Flip the Phase Control switch to the opposite position.

• If you are using a Dolby Digital/DTS receiver or processor, make sure that the

subwoofer adjustments on the receiver/processor are set up correctly.

• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

If you used the line-level inputs and there is no sound from the subwoofer:

• Check that receiver/amplifier is on and a source is playing.

• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.

• Check all wires and connections between receiver/amplifier and subwoofer.

Make sure all wires are connected. Make sure none of the wires are frayed, cut or punctured.

• Review proper operation of your receiver/amplifier.

• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

• Make sure that you have configured your receiver/processor so that the subwoofer/LFE output is on.

Mar 06, 2011 | JBL PB12 Subwoofer

1 Answer

Technics a900 mk2 amplifier cut out sound to speakers.


First of all, Marcus, you will need to check if you have blown off the speakers. Just remove and use a good 1.5 AA cell to test both the speakers. If ok connect and switch on. try to hear if the relay is clicking or if you hear any noise. If not disconnect, open the set and use a multimeter to check if the output had failed. Check on the sections only if your are familiar working with circuits or else it might not be recommended. Get help from a friend to check the protect circuitt and the main board for failure of the mosfets/ outputdrives. If you can reset the amp do so by keeping the menu pressed on swithed on. or keep it off for anout 12 hours. it will reset on its own. I hope this helps. Good day

Jun 11, 2010 | Technics SUV500 2-Channel Amplifier

1 Answer

It comes on but no base sound and wont turn up


You have to fill in the details about what you're feeding it (the source and how IT's set up). It won't just >>create<< bass.

From the manual:

If you used the high-level (speaker) inputs and there
is no sound from any of the speakers:
• Check that receiver/amplifier is on and a source is playing.
• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.
• Check all wires and connections between
receiver/amplifier and speakers. Make sure all wires
are connected. Make sure none of the speaker wires are
frayed, cut or punctured.
• Review proper operation of your receiver/amplifier.

If there is low (or no) bass output:
• Make sure the connections to the left and right “Speaker
Inputs” have the correct polarity (+ and –).
• Make sure that the subwoofer is plugged into an active electrical outlet and switched on.
• Adjust the crossover point.
• Flip the Phase Control switch to the opposite position.
• If you are using a Dolby Digital/DTS receiver or processor, make sure that the subwoofer adjustments on the receiver/processor are set up correctly.
• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.

If you used the line-level inputs and there is no sound
from the subwoofer:
• Check that receiver/amplifier is on and a source is playing.
• Check that powered subwoofer is plugged into an active electrical outlet and is switched on.
• Check all wires and connections between receiver/amplifier and subwoofer. Make sure all wires are connected. Make sure none
of the wires are frayed, cut or punctured.
• Review proper operation of your receiver/amplifier.
• Slowly turn the Level Control clockwise until you begin to hear the desired amount of bass.
• Make sure that you have configured your receiver/processor so that the subwoofer/LFE output is on.

Apr 07, 2010 | JBL PB12 Subwoofer

1 Answer

I want to connect YST-Sw1500 sub woofer to the AX-596 amplifier .How can I do the connections .


on ur subwoofer u will see HPF output, connect this output to MAIN IN of ur power amp (first remove jumper between pre-out and main in from ur power amp) connect pre-out of ur power amp to input 2 L&R (Left is also for mono input). the HFP selector switch will cut off 80Hz or 100Hz to the main input depending on the position enabling u to have high frequency sound on your main speakers. connect the speakers to the main output terminal of ur power amp. do not connect speakers on the woofer ouput.
make sure u are using the right impedance speakers. do not switch speaker impedance selector while the unit is on. 

Apr 04, 2010 | Yamaha AX-596 Amplifier

2 Answers

Front right speaker got wet, started cutting out. at the same time the rear right speaker started cutting. switched the rear speakers to opposite channels and this caused the right to work and left to cut....


the speaker getting wet will short it out. Shorting the output on any amp will ruin it. there is a right and left chanel with 2 outputs. Right chanel is damaged.

Sep 30, 2009 | Boston Acoustics GT-42 Car Audio Amplifier

1 Answer

Technics S600 Mk 3 Amplifier suffering cut out afer approx


sounds as if amp is clipping.do you have the gain hi, turn it down.are the amps getting good air.are they drawing alot of power from batt alt...do the big 3.

Sep 04, 2009 | Audio Players & Recorders

1 Answer

Sound cuts out.


Bad solder joint. Dirty contacts (servisol switch cleaner) or a broken switch. I would have thought!

Jun 14, 2009 | Audio Players & Recorders

2 Answers

Loss of one channel to speaker


when you say switching input wires you mean your source? that you switch it? you only have switch problem, it is mechanical type swutch need to clean only, if still possible. i dont know if you can find replacement.

Mar 21, 2008 | Audio Players & Recorders

2 Answers

Sound cuts when volume is turned up


check that power amplifier rating(how many watt)must be more than total speaker rating by 20% at least..
exampel:if speakers watts are 100 watt-amplifier watt must be 120 watt.

Mar 14, 2008 | Technics SUV500 2-Channel Amplifier

2 Answers

Cicuits Protection


You have a power supply circuit problem,you need a qualified serviceman near you.

Nov 27, 2006 | Technics SUV500 2-Channel Amplifier

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