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Lawrence Patterson Posted on May 10, 2015
Answered by a Fixya Expert

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Kenwood KA-76 amp. Left channel distorts and unit overheats then shuts down when volume is turned up. Headphones are not affected.

1 Answer

Vladimir Frolov

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  • Kenwood Master 2,075 Answers
  • Posted on May 10, 2015
Vladimir Frolov
Kenwood Master
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Joined: Jul 13, 2012
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What happens if you reconnect left and right speakers? Are these problems of the unit or of the speakers/wires?

  • 1 more comment 
  • Lawrence Patterson May 10, 2015

    I can change speakers from L to R and still same problem on the left channel with both front and rear speakers

  • Vladimir Frolov May 10, 2015

    If you make reconnection on the device and the problem still on the left channel (on the right side after reconnection) then the problem is inside the device, in amplified left output board - since headphones are not affected. Replace it and be happy!

  • Vladimir Frolov May 10, 2015

    I would suggest to re-solder output chips if you're familiar with it.

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5 Related Answers

Anonymous

  • 21 Answers
  • Posted on Sep 03, 2007

SOURCE: Onkyo TX-28 Receiver Output Problem

You may be confusing +/- power supply rail fuses with left and right speaker fuses.

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Anonymous

  • 579 Answers
  • Posted on Jan 12, 2008

SOURCE: Loud distortion on Front Channels

Well, the nice thing about the newer amps is that the actual amp circuitry is all contained in a module and you don't have to do much troubleshooting. Just replace the module for that pair of channels. Bad news of course is the modules can be pricey. Should say right on it the part number, order it from mcminone.com or whoever, solder it in, use new conductive grease (many times I think these modules fail because the grease gets old, the module overheats and toasts) and you should be fixya'd

Anonymous

  • 10594 Answers
  • Posted on Aug 20, 2008

SOURCE: I have low volume on two channels of my STR DE975 receiver

I been replied you in chat thread, please check and feel free to ask any question.

Anonymous

  • 8 Answers
  • Posted on Dec 04, 2008

SOURCE: my kenwood amplifier suddenly off when i turn the volume high?

You need to make sure you ohms are correct if there too low this will happen to protect the amp.

Anonymous

  • 11896 Answers
  • Posted on Jan 17, 2009

SOURCE: 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.

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Related Questions:

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1answer

What is the wattage output of the kenwood ka 728 integrated amp?

Specifications Power output: 130 watts per channel into 8? (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.007%
Input sensitivity: 0.2mV (MC), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 69dB (MC), 87dB (MM), 107dB (line)
Output: 150mV (line)
Dimensions: 340 x 109 x 369mm
Weight: 9.2kg
Year: 1984
Kenwood KA 828 Manual Stereo Integrated Amplifier HiFi Engine
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Kenwood ka 7x

salut a tous quelq'un a un amplificateur kenwood ka x7 je veut connaite les tronsistors qui porte cette amplificateur le mien etait enlevr je connais pas les refferonces je demonde de l'aide et mercie beaucoup a +
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My amp becomes distorted when I turn my keyboard up. Both the Master Volume and the CH1 volume knobs are in the middle(12 o'clock). How do I keep my amp from distorting?

You left off the one bit of info we need... however, make sure the volume control on the keyboard is around the halfway point... If it is way down, turn it up and reduce the channel volume knob some. Make sure the cable from the keyboard is an instrument rated interconnect and not one intended for speaker (usually marked as such). Make sure the keyboard AND this amp are powered from the SAME receptacle... even if you have to run an extension cord. Listen with headphones on your keyboard to make sure the sound is clean there.
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How to connect a kenwood ka- 9100 to a pioneer vsx-d608

You don't say, what role the Kenwood is supposed to play but I'll assume you want to slave the Kenwood (and its speakers) to the Pioneer.

The VSX-D608 doesn't have multi-channel pre-outs so you wouldn't have local control of the volume at the Pioneer.

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The KA could be a subwoofer amp as the Pioneer has a pre-out for that.

Outs to Ins. "Power In" on the KA would be for an external volume-controlled source. Otherwise, use one of its non-Phono inputs.

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My kenwood vr615 reciever had the volume turned up, unit shut down and now when it gets to a certain volume that is much lower than normal it will turn off and the stand-by light will flash, I have to turn...

hello ,i strongly suspect the units protect circuit is sensing a speaker problem.Listen to each speaker to see if all the drivers(woofer,midrange,tweeter) are working and if so are any of them sounding distorted.When an amp is damaged it wont play at all,sounds like a bad speaker to me.
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I have a kenwood kac-8452 4 channel amp that makes the speakers pulse after the volume gets turned up to 10. I also have a kenwood amp doing the same thing with my subs. any ideas?

Its not pulsing, its called clipping. The sound is being clipped due the amp being pushed past is power capacity and distorting the signal. This will damage your speakers very quickly. No amp should be turned more then 3/4 up. If its not loud enough you need to purchase a larger amp or be comfortable with the wattage it produces at 3/4 volume. You may also have speaker wires touching/crossed causing th issue.
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Poor sound/ Unable to play anything load without distortion.

i can tell you right now base on the vehicle you have a bad system hook wosrt if you are using factory head unit
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Receiver Shutoff

That may be a clue to your shutdown problem. Disconnect that speaker and see if the unit still shuts down. If it does not, then there is a problem with this speaker,or the wiring going to this speaker. If the unit still shuts down, disconnect each speaker at a time to see where the problem is. If none of the speakers seem to cause the shutdown problem, there is na major fauly in the amp circuit, so the amp will need serviceing or replacement. Good Luck
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