I am using ken vr505 from 6+ yrs was working good now i experience that this reciver produces very low sound in center & right speaker channel only inspite of giving max vol to this both channels . All wiring, settings and connections are proper. I use Bose speakers for this receivers and they work fine when connected to other systems.
So i want to know that is this the problem of receiver or settings or any part has to be changed in the receiver has it is old by now..Before the vol i used to give for these speakers was 4 (from 0 to10) now i give max vol but also the volume is very low in those 2 channels.....
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The receiver's out put sections are grouped in pairs. Front left and right in one output, rear left and right in second output, and center channel and sub output on the third. Sounds like a semiconductor or semiconductors have gone bad in the center & sub output.
Remove battery on the remote and open the remote. clean the inside board of the remote , the battery terminals, the customer touch pads and contacts.
solder if you notice any poor joints, poor contacts. replace battery is voltage is low.
reset and check
I personally would recommend minimum TV involvement in sound and minimum receiver involvement in video, but that's just me.
You might want to ponder why you would need audio from a TV in the first place if it originates elsewhere like a Cable Box. The fewer hops and interconnects a given signal takes on the way from the source to your ears, the better (and cheaper, too, as optical or HDMI cable is expensive). You COULD skip the TV entirely. Many don't even HAVE audio (monitors, for example). The receiver only NEEDS a basic composite video output to the TV so you can use the TV for setup and control. You COULD run vanilla stereo audio to the TV from the Cable Box for watching Oprah.
I run all of my best DIGITAL audio directly from the sources to my VSX and the best DIGITAL video directly from the sources to the TV.
If you are referring to the rear speakers, it is normal. The rear speakers are not supposed to get a signal as loud as the fronts or center.
A surround sound system was originally developed for playing movies and the rear channels are for effects. In most surround modes the center channel will always be the loudest with the widest range of audio signals.
I have been repairing these type of systems since they have been on the market, so I know a lot about them.
This Kenwood you have is like most surround systems and does not have a feature that you would obviously like to have, 5 channel stereo. Only a few surround systems have this feature and they cost much more than the Kenwood systems. Denon and Marantz both make one with that feature. In 5 channel stereo you get a full signal to all the speakers. All the other surround modes you get a much lower signal to the rear speakers.
So in closing, you do not need it fixed, there is nothing wrong with it. You have a common complaint that many people have who buy a surround sound system but are not fully understanding of just what a surround systems is supposed to be capable of
. This is something that the salesman who sold it to you should have explained to you, that way you could have purchased a system that would have better suited your needs.
I would be happy to give you more help if you would like, just let me know. As I already stated, I have many years of experience with surround sounds systems, in fact I own the exact Kenwood model that you have and I like it very much. It is about the best you can get for that price.
If you know how to check electronic components, have good soldering skills, and have the proper equipment then disassembling and checking it out would be the right thing to do.
But if you have no experience with this kind of stuff you really should take it to a service center and let a professional look at it. I have seen on many occasions when people who disassemble their equipment and attempt to repair it, but have no experience at this sort of thing end up causing more problems than they started with.
It is also dangerous, you can be shocked by the electricity or cause a fire. And if you do no understand the terms it would be very difficult for you to understand what to look at.
Your friend who said it was the soundboard is wrong, there is no board in those Kenwood's called a "soundboard", so I would not be so quick to listen to him about opening it up.