Question about Pioneer VSX-D811S Receiver

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I have a Pioneer VSX-4900S that when first turned on (cold) the right channel doesn't work unless I turn the volume up loud or let it warm up and roll the volume knob up and down. From then on it works fine till I turn it off then the problem reoccurs the next time I turn it on.

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Hmmm, that almost sounds like a bad solder. As things heat up, they expand. When there is a bad solder (even if you can't see it) as the unit heats up and the pieces expand, the contacts at the solder point will meet and allow the circuit to complete, thus producing sound through the right channel.

Take a large magnifying glass, and with it, examine the bottom side of each of the circuit boards, looking for a solder point that is not well formed.


Posted on Mar 04, 2009

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The best way to do this (if you haven't done this already) is to enable the Dynamic Range Control. This neat little setting makes the difference between loud and soft to be not so much, making soft sounds (like talking in your case) louder and something like explosions not so loud. This is also called Midnight Mode on some receivers. To enable this setting, grab your remote and turn the receiver on. Press the "Receiver" button, then hit the left arrow on the remote until you see something along the lines of "Dynamic range control" pop up on the LCD (should be the 8th setting). You probably want to set this to "Max", but you can also select "Mid" if you find that Max does too much.

If this still does not work, you can bump up the relative volume of the center channel a bit (or a lot of bit). Hit the "Standard" button on your remote, then "Test Tone" until "C" or "Center" comes up on the LCD. Then hit the "Level +" button a few times, making the center channel a little louder. Listen to it a while and adjust it to your liking.

The combination of these two settings should get you where you want to be. By the way, do a search on your favorite search engine for something like "manual Pioneer VSX-D512" and you should be able to download a manual from somewhere (it looks like Pioneer no longer hosts the manual on their site). Hope this helps!

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