Question about Clarion M255

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Unti shuts off at high volumes

When I turn the volume up past 20/24 the unit shuts off..fine up until then

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  • walrus Sep 13, 2007

    Ran 16 guage wire from the battery to feed the power and illuminating wires (red and yellow).
    Now I need to get some bigger speakers to handle the is



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You might have a damaged speaker which shorts out at high volume. Disconnect one speaker at a time and crank it to find the one that causes the problem.

Posted on Sep 11, 2007


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Have you checked your speaker wiring as it could be you have some wires crossed ie: negative feeding the positive side causing the shut down & check the Ohms if at high volume you are trying to drag to many Ohms it will also cause the built in amp to shut down to protect the system dont keep incresing the volume as the strain will do damage

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Prob always there just can't hear it at higher volumes. Check the grounds of the amps an the Caps if you have them. Then check the preamp wires from the head unti to the amp. Keep it as shielded from power wires as you can. Some times tying a ground from the amp back to the head unit ground can fix a hiss or static

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Can't turn one unit off when I turn the volume allthe way down I get no click and the unit stays on

Unfortunately, your volume potentiometer (the part behind your volume knob, which connects to the component board, has gone bad. This can happen from turning the knob too far past full volume or even sometimes when turning it off. The part to repair this has never been offered as a replacement part. Your only solution is to remove the battery to turn the unit off.

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How Do I Get Past a Pattern Lock MID8024

  • Turn off the unit.
  • Plug the unit into an electrical outlet.
  • Take a microSD card out of the slot. (Empty the microSD card slot.)
  • Press and hold down the power button for a few seconds while pressing and holding down the "Home" (Silver Push Button) button. (Both "Power" and "Home" buttons must be pressed down until he see the phrase "upgrade system activated" in the middle of the screen.
  • Release both buttons once the phrase "upgrade system activated" appears on the screen.
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RT2770 cuts out above a volume setting of 30.

Bass and other settings may be set too high and are overdriving the unit.

If all else fails try the old unplug it for a while and then plug back to see if that helps.

What if anything else is hooked up at the same time to this system?

Jun 14, 2012 | RCA RT2770 Theater System

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Denon avr-1708 receiver heats up and shuts off when volume turned up passed 0.0db or +0.5db. i am running 6-8" sonance 6oh speakers and have a fan blowing across the top of the receiver. it only...

Are you trying to kill it? A device has only so many emergency shut-offs it can withstand.

How are the spaces around the top, underside and back for ventilation?

0 dB isn't normally 'normal' volume.

I wonder if the fan is a self-defeating work-around because the noise might make you want to crank it up so higher so you can hear it.

Apple TV? Is it a dynamically-compressed audio signal? That would raise the average volume.

Feb 21, 2011 | Denon AVR-1708 Receiver

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Volume won't go past 30

Turn on. Set volume to 00. Press & hold the volume knob for about 10 sec., until you hear a beep. Then turn volume up to the maximum that you would ever want, and then press the volume button again. It is now set.

Feb 02, 2009 | Boston Acoustics Horizon Solo Clock Radio

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Avr Shuts down at high volume

It does that because there is a safety feature in all the newer devices. If your system is turned up to high you would blow your audio outputs or speakers. That's why it shuts off.

Jan 17, 2009 | Denon AVR-3801 Receiver

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When volume is turned up the radio shuts off

Have you checked all of the connections on the speakers, stereo, etc. Being a marine CD player, the wires and connectors are exposed to more elements than a car CD unit. Check for corrosion and make sure that all the speakers are hooked up to the correct "+" and "-" terminals. Not sure if this will help, but thought I'd try. It does sound like a speaker connection problem.

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4 Answers

Volume turned up, kenwood shuts off briefly...

I had this same exact problem when my last older Kenwood Marine stereo cooked itself while I had it up loud for a few weekends on the lake. (smelled like it had burned inside). I went out and bought a new Kenwood KMR-550u stereo deck. (I do not have an additional amp). I hooked it up to the exact connections where my older Kenwood stereo unit had been hooked up, as I never had a problem with this for the past three years until it failed after smelling of burning elelectrical. I had chalked the problem up to heavy rain we had one day. Every time I turned up the volume, sometimes up to 27 out of 35 possible, or 29, or 32, the stereo would suddenly shut off as if I had turned it off. After a few seconds the stereo would come back on, but unless I was quick enough to turn down the volume it would do it again right away. Of course on a boat, we were beached in a cove and the engine was not running when I encountered this. I searched the internet finding hundreds of similar complaints and several dozen theories of all types, but only a couple that pointed me towards the power (voltage) idea as the problem. I put a volt meter on the positive & negative wires powering the stereo. I watched as I gradually turned up the volume, the voltage on the power wire gradually decreased from 12.5 volts, down into the 11 range, and as it hit 10.9 or 10.8 volts it shut off typically around a volume of 32. The red power wire in my boat that never seemed to have an issue with my old stereo until it fried was determined to actually be inadequate for the power flow for the new Kenwood, and probably was the culprit of my failed older unit. I offer this sound advice: Run a new pair of positive & negative wires directly from the battery (with an appropriate fuse of course (the deck has a 10 amp fuse in it's back so I would use that at the battery) to the stereo. Check the voltage as you turn the volume up into the high 20's and low 30's to ensure you are still getting voltage in the mid to high 11-12 volt range. The stereo is designed to require a minimum of 10.8 volts to operate, and when it drops below that it protects itself and shuts down.

Mar 24, 2007 | Kenwood Sirius KDC-MP522 CD Player

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