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PostPosted: Mon Feb 20, 2017 11:12 am 
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Joined: Thu Jan 06, 2005 6:44 pm
Posts: 474
Location: Ottawa, ON, CA
I purchased the Marantz SR5010 for less then a year now and I have a just noticed during the last week that upon using the receiver from a cold state, meaning it had been off during the entire overnight, the centre channel seems to be fading intermittently, lowering volume level while watching a 5.1 signal. I know it is not the signal since I am able to rewind the program and it will not per say have the same volume effect at the same place but after a while it no longer manifest itself.

Since day one I have never put too much trust in that Marantz based on how hot the until runs. This is why I am now wondering if this might have to do with a crack board and or a cold soldering.

Has anyone ever experienced this with their Marantz SR HT receivers?
Thanks a lot

Bernard


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PostPosted: Tue Feb 21, 2017 7:33 pm 
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Joined: Tue Dec 19, 2006 11:14 am
Posts: 167
Location: Wet coast
Hi Durand
can you let us know what center channel you're using and how old it is?
What are the other speakers that are being matched with the Marantz?
I'm just speculating, but it sounds like a leaky capacitor, possibly in the center channel crossover.
If the unit is running too hot, it's possible that it's reacting to a bad load.

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PostPosted: Tue Feb 21, 2017 8:07 pm 
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Joined: Sat Jul 04, 2009 6:08 pm
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Location: Montreal, QC, CA
If it is less than a year old, it is still under warranty and should be returned for service while you still can. But first, check to make sure that your speakers are of the correct impedance for the Marantz. It does not like 4 ohm speakers or anything much under 6 ohms.


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PostPosted: Wed Feb 22, 2017 6:59 am 
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Joined: Thu Jan 06, 2005 6:44 pm
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Location: Ottawa, ON, CA
Eli47 wrote:
Hi Durand
can you let us know what center channel you're using and how old it is?
What are the other speakers that are being matched with the Marantz?
I'm just speculating, but it sounds like a leaky capacitor, possibly in the center channel crossover.
If the unit is running too hot, it's possible that it's reacting to a bad load.



Thanks a for your reply. The center channel is quite old Mirage OM-C2. I took a reading of the center channel still with the jumpers on and I read 5.3 Ohm however in taking the jumpers out I read 3.9 ohm on the bottom and the upper 1. ohm.
Sounds like I might have a worn out crossover?

Definitive Tech BP10
Rear Mirag OM-R2

Thanks a lot


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PostPosted: Wed Feb 22, 2017 8:38 am 
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Joined: Wed May 30, 2007 7:54 am
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Location: Vernon, BC, CA
swap positions with a LT or RT speaker and see if the problem follows the speaker or stays in the center.


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