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My Kenwood KR-v8050 reciever will turn on, but will not go out of stand by mode, the visual screen also is not working, what am I looking at to fix this?

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  • Audio Player... Master
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Sounds like either the main power fuse is blown,or the power transformer is bad. If the fuse is blown, probably means the amp is shorted.

Posted on Dec 31, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 4234 Answers

SOURCE: item does not work

This unit is most likely in protect mode. This occurs when the receiveer detects a problem with the output amplifier section and that section is disabled. The most common failure parts are the output transistors. Expect a parts cost between $15-$40, Add in the local labor rate for the total repair cost.
Dan

Posted on May 28, 2008

  • 319 Answers

SOURCE: problem with playing my Kenwood KR-X1000

Unit apparently has problems. Check/replace batteries in remocom

Posted on Aug 14, 2008

  • 4234 Answers

SOURCE: Kenwood KR-A4070 blowing 5a 125v fuses

I am guessing that the ceramic resistor is close to the output transistors. I would also guess that one or more of the output transistors has shorted. This causes a high current draw that is blowing the fuse. You could also have a power supply problem. The ceramic resistor is a .22ohm dual emitter resistor that is used in the output stage. The transistors located close by are probably shorted and should be replaced. Start there and let us know what happens once the transistors and the resistor are changed.

Dan

Posted on Oct 10, 2008

  • 35 Answers

SOURCE: I WAS GIVEN A KENWOOD STEREO VIDEO RECIEVER

From the info I looked at it appears to be 110 watts per channel at 8 ohms.

Posted on Jun 20, 2010

dunnbiker
  • 8546 Answers

SOURCE: My Kenwood audio video stero

Generally speaking, an amp attempts to protect 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 'nekkid'. 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.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Posted on Aug 15, 2011

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Item does not work


This unit is most likely in protect mode. This occurs when the receiveer detects a problem with the output amplifier section and that section is disabled. The most common failure parts are the output transistors. Expect a parts cost between $15-$40, Add in the local labor rate for the total repair cost.
Dan

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