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Marantz sr5007 amp the red light still flashing after reset??

Why int my marantz sr5007 amp working it shut off then after a factory reset the red light still flashes and i can no use turn the unit on?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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tech48
  • 624 Answers

SOURCE: In a guest house and

Have you tried the reset procedure I am outlining below at the end of this post?

If you have not done it exactly this way, try it. The "protect" that is displayed is the protection circuit being activated. Most times it is activated is to prevent further damage to the unit. Sometimes it can be activated from the unit being over-driven (played at very loud volume for prolonged periods or having the improper speakers or a bad speaker).

If this reset procedure does not work, you need to take it in for service preferably at a Marantz authorized service center because the problem you are having is not something that can be fixed by any sequence of keys being pressed. It normally happens when the unit has a blown channel. That is not the only reason, but it is the most common reason.

If you have the proper tools, a schematic, and knowledge of how to check electronic components to know when they are faulty, you can then fix it yourself. If you do not have these tools and the proper skills, you can cause much more damage to the unit than you started with, even to the point of starting a fire or making the unit un-fixable. This type of unit is not an easy one to repair, even for a well trained electronic technician. I work at an authorized Marantz service center and have repaired many of these and other receivers over the past 17 plus years.

Be aware, by using this procedure and then turing the unit on can sometimes cause more damage to the unit if it has a shorted channel or other problem that makes it draw a lot of current. This method is meant for qualified service technicians to perform after they have checked the output stages for any problems and the unit is still in the protect mode. You have been warned, so don't say I didn't tell you it should be taken to a service center first. If you see or smell any smoke or buring smell, unplug the unit immediately. You may want to have one hand on the plug when you do this, just in case.

Here is the proper reset procedure:

SR4500 Turn the unit on (standby without pressing the power button), press and hold the 7.1CH INPUT and ATT buttons simultaneously for3 seconds or more.

If you have found this free information helpful, a "FixYa!" rating would be appreciated, and if you need any more help I am happy to offer it, just ask!

Dave

p.s. I have told you all the warnings and suggested a service center because this is a very good receiver and I would hate to see it damaged more than it may possibly have already. It is possible that this reset procedure will return the unit to normal operation, but more often than not, the "protect" circuit activating means that you have a serious problem that can not be fixed by anybody without the proper training.

Posted on Jul 09, 2008

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localwonder
  • 6784 Answers

SOURCE: shuts off then red light indicator flashes, disconnected all speakers but still wont work

Hi, this is a power board issue. remove the cover and make sure that this unit doesn't have blow fuse. if the fuse is fine, you will then need to replace the integrated power/ main board.

Posted on May 21, 2009

  • 53 Answers

SOURCE: marantz sr6001 amplifier flashing on standby continuously

hi there
check settings for this configuration ......if you have a subwoofer in the settings, for best overall results choose subwoofer yes, and set main/center/surrround to small....if no subwoofer set left/right speakers to large and small to center, if there is no loe frequency effect (lfe) going to the subwoofer it will go into standby....hope this hlps ....shia

Posted on May 28, 2009

  • 1 Answer

SOURCE: Standby light is flashing rapidly and I can't turn

RECEIVER MARANTZ SR7002, FLASHING THE STANDBY about 8 times per second and will not start, HELP

Posted on Sep 24, 2009

  • 137 Answers

SOURCE: Power light is flashing and power won't turn on

these a couple things you can try to reset,if resetting dont work you will have a amp problem.Try pushing and holding down these 3 buttons s.speaker b and att and exit buttons for at least 3 sec or more.should reset.If not also try pushing and holding down mult speaker and exit and att buttons together for at least 3 or more seconds.if still shuts down you will have shorted transistors inside of unit.

Posted on Apr 20, 2010

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these a couple things you can try to reset,if resetting dont work you will have a amp problem.Try pushing and holding down these 3 buttons s.speaker b and att and exit buttons for at least 3 sec or more.should reset.If not also try pushing and holding down mult speaker and exit and att buttons together for at least 3 or more seconds.if still shuts down you will have shorted transistors inside of unit.

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