Question about Marantz Audio & Video Receivers

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I have a marantz integrated stereo amplifier PM-57 and it keep cutting out regularly. its sounds like a relay is clicking in and out. what can i do?

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Please disconnect loudspeaker one by one until the problem is goen -and fix the bad one by change the cabel first and the speaker second if all above does not solve the problem send your amp to service center to repair.

Posted on May 28, 2008

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Rs800 marantz schematic


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Jan 10, 2016 | Marantz Audio & Video Receivers

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I have a MARANTZ PM 151 Integrated Amplifier thats about 20 years old. I have not used it for a few years now and when I tried it recently it will only play from one speaker. It worked fine before I put it...


Hello
Long time storage may have make electronic contacts to get poor and fungus infected. Your set need a whole service. During service they will clean all the contacts and rectify repairs if any. Get it serviced. OK.

Jul 11, 2011 | Audio & Video Receivers

2 Answers

I am thinking of replacing my now very old JVC AX 330 amplifier with a Marantz PM7003 amplifier and want to know if this is a suitable replacement in terms of power output etc.


You, sir, are a rare adherent to stereo-only electronics. Are you replacing it for cause (showing its age)? The PM7003 is only 2 x 70 watts like the JVC but it also has separable preamp/amps so you COULD upgrade or augment the power output with external amps and still control it all locally.

Of course, any current AVR's do that too and bring digital sources and multichannel audio to the mix for as little as the PM7703 may cost.

Jun 23, 2011 | Audio & Video Receivers

1 Answer

Can I replace the stock power cord on my Marantz PM-11S1 integrated amp. with a new high end power cord ?


Hi Nancy,
Yes you can replace the power cord if it is already defective(open internal wire). You may buy on your local electronics store. But if the power cord is in good condition, there's no reason to replace.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Feb 16, 2011 | Marantz PM-11S1

1 Answer

Audio distorsionado en canal izqierdo


the input selector switches if they are dirty can make the amplifier sound like it has a blown channel.
compare voltages from the left and right channel and make sure they are identical as well as the power supply,typically + and - 65vdc .check the regulators for the pream,they run panel lights off the same circuit + - 14vdc

May 26, 2009 | Marantz Audio & Video Receivers

1 Answer

My Marantz PM-32 Amplifier has suddenly lost all sound... except for some very quiet higher frequency sound, at very low amplitude (Maybe pre-amplified only)which is just audible with the volume set at...


Hi

First thing to check is to see if someone has turned on the Tape Monitor has been turned on by someone. The symptoms you describe certainly sound like it. Check that out and get back to me if it does not solve the problem

regards
robotek

Nov 07, 2008 | Audio & Video Receivers

1 Answer

My Marantz PM-45 integrated amplifier will occasionally cut out by switching off a relay.


Hi HouseofBlues

The problem you are facing is the speaker protection is turning on to prevent the amplifier from damaging your speakers. It will need some service work done to it to prevent it from happening. I suggest you get it attended to sooner than later, as the problem will be caused by dry solder joints that will need to resoldered, or a semicinductor that is failing. If you are a gun with a soldering iron, you could do this yourself. Check about parts of the amp that runs hot, particularly transistors and resistors in the output stages. resolder all output transistors, and any parts that are mounted to a heatsink. Also focus on areas of the PCB that has discoloured. This is often where the problems occur.
I am more than happy to answer any other questions you may have about it, just give me a hoy :)
Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers.

regards
robotek

Jun 01, 2008 | Marantz Audio & Video Receivers

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