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Marantz sr5400 getting hot - Marantz Sr5400/u1b

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: error code 'CHECK E2P IF'

Water damage is the worst. It could damage the boards beyond repairability. It will take a professional to determined, if your unit can be saved

Posted on Nov 28, 2009


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Rs800 marantz schematic

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Marantz sr5400 static

static is interference from other devices being too close to each other.
try moving or turning off devices that aren't being used. try not to stack all of your stuff on top of each other. i hope this helps

Apr 09, 2014 | Marantz Audio Players & Recorders

1 Answer

Can i hook up 4 8ohm speakers to my marantz 2252b

You can but you will have to put two speakers on the main L/R and two speakers on the remote L/R. DO NOT HOOK UP MORE THAN ONE SPEAKER TO A CHANNEL. Doing so can result in the amp running hot and damage will occur.

Oct 25, 2012 | Marantz Vintage 2252 B Stereo Receiver...

1 Answer

I have a marantz sr 7001 amp and am running canton 4ohm speakers to front and centre should my amp get really hot and go into protect mode when I am giving it some serious volume

it is not made to drive 4 ohm loads.also if you measure the impedance on the speaker,at some frequencies,it is closer to 3 ohms.This will cause the amplifier to shut down.Today's amplifiers are embellished specs.the old marantz 2325 was 125 watts a channel and weighed 80 pounds.It would eat alive some of the 1000 watt home theater amps of today.Marantz is very nice stuff.

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1 Answer

Error code 'CHECK E2P IF'

Water damage is the worst. It could damage the boards beyond repairability. It will take a professional to determined, if your unit can be saved

Nov 28, 2009 | Marantz Audio Players & Recorders

1 Answer

Marantz pm730 pre amp works ok no sound from main amp to speakers.lights up and every thing else works

Look at the final out transistors. I'm not sure if you would have transistors or an amplifier pack? It has 8 to 14 pins maybe. Look to see if there are any burnt components,cracks, or where something got hot. Most components break down because of heat.Also look for bad solder joints.

Oct 13, 2009 | Marantz Audio Players & Recorders

1 Answer

Error ""protecting" on maranz sr5400

The amplifier is being overdriven or components of the output stage are breaking down due to earlier overdriving.

May 17, 2017 | Marantz SR-5400 Receiver

2 Answers

In a guest house and the Marantz SR4500 keeps coming up with "PROTECT" afetr power up. Have tried to reset but still there. Go about 5 seconds or so then Protect flashes and the unit shuts down....

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!


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.

Jul 09, 2008 | Marantz Audio Players & Recorders

2 Answers

Marantz SR 5002 Won't power on

I've just been told by my AV person that is a known flaw in the SR5002 that the power supply runs hot, blows out, and sometimes takes out other components by cooking them. Thanks Marantz. How about a recall?

Jun 08, 2008 | Marantz SR-5000

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