Question about Marantz Audio Players & Recorders

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Marantz 1170 was playing music and started turning up volume all music shut off what's the problem

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  • Back2life Electronics Apr 26, 2017

    Does the unit power up? If so and you still have no sound, it is likely that an output channel has shorted which would put one of the rail voltages on the speaker outputs. There is a circuit that would detect this and shut off the audio to protect your speakers. It's time to take it to get serviced. I can certainly nurse that baby back to health but it would have to be shipped as I am in Missouri.

    www.back2lifeelectronics.com

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  • Marantz Master
  • 3,828 Answers

How old is that unit ?
cant find a picture of a 1170

faulty volume dials or slides
internal fuse ?
power source over heating

#
just how load = enough to pop the speakers

Marantz 1170 was playing music and started turning - images-4p5wtmbbsqxcguhfujkugljq-5-0.jpg

Posted on Apr 16, 2017

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MNfisherman
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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.

Posted on Jan 17, 2009

  • 28 Answers

SOURCE: power problem?

???

1. Is the head unit powering the speakers directly or through an amp?
2. What ohm load (4,8,) per channel and how many speakers?
3. Does it do it with the bass set all the way down?

If you have access to a voltmeter see what the voltage is on the yellow and black wires when it is diming. It should be stable ~ 13.5v with car on. if its < 10v when dimming either there is:

1. Shorted speaker lead.
2. Bad ground to radio.
3. loose power feed to radio.
4. Ohm load below 4 ohms, causing the eccess current draw.

Posted on Nov 12, 2009

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Model SR5500 User Guide - Marantz

us.marantz.com/DocumentMaster/US/DFU_SR5500_Final_Eng.pdf



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AVR SR6004 switches off while BD player is playing. What do I do?


Hi,
There are two circumstances that I know of that a properly installed unit such as your Marantz would shut down. So here is the Theory and Data I know of.
A Your receiver has a great deal of amplification power. If it is in a closed cabinet without excellent ventilation, it will shut down if used at high volumes because because over heating. Because of it's very high power, when played loudly, it generates excessive heat.
When watching certain movies the BD player may be over-driving the limits of the amplifier section of your receiver. Page 78 of your owner's manual addresses this. Here is a link to download the manual from Marantz.
http://us.marantz.com/us/Support/Pages/Manuals.aspx
B There is one other very important thing I should mention to you. When people use high powered equipment and initially turn up the sound. After a short time, the mind turns it down. What next happens is the reason professional musicians and sound engineers often have permanent hearing loss after a relatively short time.
What tends to happen is that the listener and often the engineer running the sound mixing board at a concert(after a certain period of time) believes the sound is not loud enough when it really IS loud enough. (this tricks the audience as well) and engineer turns it up. After turning it up, his mind (and the audiences') turns it down mentally and they again think and agree that it not loud enough and then again, the volume level is turned up. And up. And up. The only reason I'm not deaf is that I discovered this when I was building sound systems as a kid. I also studied about it. So please be careful when you play things loud. Permanent hearing loss starts to occur at the very high frequencies and rolls down from there over a period of time. Hearing loss can start to occur in just a few hours at 110 decibels. permenant hearing loss is exactly just that. Permenant! It just doesn't come back. If you use this information, you will enjoy hearing music for the rest of your life.
I hope this helps,
Best Regards,
Mark

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1 Answer

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When the level of the music gets over 40db the unit stops playing so i have to turn the volume button at a very low level to avoid kicking off. the problem started when my little sister managed to reach...


Disconnect all speaker wires at the receiver then turn it back on and the volume up. If it stays on, post a comment and I can walk you thru troubleshooting. If it still shuts down there is an internal problem and it needs to be serviced.

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