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Amplifier problem Carver Amplifier M1.0t, Headroom Exhausted LED (yellow/amber)is flashing. And sound on the left channel is garbled.

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Re: Amplifier problem

You may have a blown channel. Check for fuses inside but I don't think that it will help. Repair if the channel is dead is not worth doing as the amps value is probably lower than repair cost.

Posted on Sep 03, 2007

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If you have a red flashing indicator, your amp has DC Offset, meaning a damaged amplifier.
If you are interested in having your Carver repaired, please look to my website at You may contact me there. Thank you.

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Carver pm1400 quits working on right channel from time to time.

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My turntable connect to Carver Preamp, I bought a

If you can hear music with the volume up, but like it was turned down low (from the power amp), then yes there is something up with it. If it's the same on both left & right channels, then it's something common to both. For instance the power supply, or an IC that has both channels going in it.
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If this helps please rate my help


Nov 02, 2009 | Carver PM950 Amplifier

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I don't have any instructions so i don't know how to hook up my speakers and the t.v for surround sound i have a carver avr 100

You should be able to online to the manufacturer of your products and download manuals. However, I will try to help.

Connect the sound output cables from your DVD player including, left/right(white/red) as well as the Coax output/input if your DVD and your Carver each have this feature for enhanced sound on certain DVDs, and connect to the matching DVD inputs on your Carver.

Then, connect your DVD video output either by use of your RGB(RED/GREEN/BLUE cables or an S Video cable to your the matching video inputs on your t.v.

On the back of your Carver, you will find outputs for left and right speakers, connect to the left and right speakers with proper wire. Make sure that the 2 conductor wire is connected with the same side(polarity) on all speakers for the best sound quality.

You will also find rear channel left and right outputs on your amp, connect those to your rear right and left speakers.

Connect the center channel speaker to the center channel speaker output on your amp.

If your Amp has a sub-woofer output and you have a subwoofer, make the connections on that as well.

Test all of the speakers with a feature that many amps have on the menu using your remote, simply called test. if all speakers are connected correctly you will be able to hear each one as they are individually tested by the amp. Hope this helps out.

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2 Answers

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Carver designs in general are not easy to repair. I would recommend that you send this unit into a Carver authorized service center. The likely problem is the output transistors, but the driver circuits and predrivers are not simple designs and if there is a problem there, it could effect the outputs. Tracing this will require equipment and schematics that I don't believe are available on the net.


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your going to need this place to download the remedy's for your system

if it is not working then there is another serious problem , and it could be the amp IC or the volume IC but tests will need to be done to determine what is causing the failure , but it does sound like amp IC as a suspect since the rear were not even working , did the volume seem different when turning it up or down before the center quit or after the center quit?

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possible short in speaker system. Disconnect the speaker to that channel. if it does not click off then you have a short outside the amp in your wiring or in the speaker.

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