Question about Kenwood VR-505 Receiver
I tried everything and fear I've got a soundboard problem. The left channel does not put any sound out. What can I do?
Does this problem occur when you use all of the different sources of the receiver, or does it only happen when you use just the CD input or just the DVD input or just the Tuner input?
If it happens on every different source, you have eliminated those sources as your problem and the RCA cables of those sources.
If it only happens on , lets say for example, the CD input, then you most likely have a problem with that CD player or RCA cable. Not always, but most of the time. It could still be a broken solder connection or something else in the receiver.
If you have tried using another known good speaker on that channel and also used known good speaker wires, and that channel coming from the receiver is still not putting any sound out, you do have a problem in the receiver.
The problem you have in the receiver could be many different things causing this same problem.
Here is a list of some of those possibilities, every single one of these things can cause the exact problem you are having but finding out which one requires some good electronic troubleshooting skills:
1. A bad speaker relay.
2. A shorted muting transistor.
3. A broken solder connection.
4. A bad amplifier IC
5. A bad switching IC
6. A shorted capacitor in one of several different circuits.
7. A defective IC on the digital board.
The list could go on for a while.
I hope that you find it is a bad speaker or speaker wire, but without putting it on a test bench and troubleshooting it, there is just no way to say for sure what is causing it.
I hope you found this information helpful, and if so a good rating would be a great way to say thanks. Just so you know, a "thanks for trying" rating actually is a bad rating for the experts here on FixYa!
If you would like any more help, just ask. If you have any other car and home audio questions, just click the "Ask me" icon below my picture if you would like me to answer your question.
I have been repairing car and home audio equipment for over 17 years.
Posted on Jun 26, 2008
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Posted on Jan 02, 2017
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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.
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