Question about Kenwood VR-407 Receiver

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Shuts down at high volume

When watching DVDs with volume set relatively high (in the 30 range), the kenwood vR407 tuner system shuts down when there is a loud volume output from the movie. Any suggestions? thanks alan

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Re: shuts down at high volume

If you have your reciever in an entertainment center that is enclosed or a tight fit for the reciever you need to remove it and put it on top of the center. I have a VR407 and it was doing the same thing. This keeps your unit much cooler and the overheat relay will not turn it off. also I found it much easier to add or wire components much easier.
Steve T. PA

Posted on Dec 10, 2007

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Marantz SR9200 shuts off intermittently while watching or listining.

Check all speaker connections. unplug everything.. start with just L and R speakers. Do a mic calibration..also check all your source inputs to the amp. start from the basics. Is the amp still under factory warranty? I used to install marantz...also make sure unit is well ventilated. IF you are using audio zones in your place..with in wall volume controls..make sure they are impedance matched. VOLUME may be set to high...overdriving the outputs..eventhough audio may not be loud. Set volume to -30...?

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My TV has audio (left & right) & video jacks (red,white &yellow) can I connect my Kenwood KR-V5580 to it for stereo sound If so what do I connect it to video 1 or 2, phone,etc

Audio can usually go either way to a TV. In or Out. Why someone would want to hear external audio through a TV's marginal audio electronics and speaker(s) is beyond me, but sometimes that is what they want.

Take the audio from the receiver via whatever unused Tape or Video function connectors you like to the TV's Audio L & R IN. Anything the receiver processes will be audible through the TV as long as you DON'T select that function for listening on the receiver.

Listening to TV-related audio through the receiver and its (presumably better) speakers makes much more sense, but again, the TV's marginally audio capabilites place a serious limitation on sound quality expectations. In your case, stereo is as good as it could be.

If your TV has Audio Out jacks, just run them to any convenient Line Level input (NOT Phono). If your TV has internal audio controls for volume, set it to Fixed so the TV's volume control doesn't affect the sound going out to the Kenwood.

A better TV-related audio solution would be to connect the BEST audio of whatever source you're watching directly from that source to the receiver. Cable, DVD/BD, SAT always have 2-channel analog RCA connectors as well as (unusable on the Kenwood) digital audio outputs.

VIDEO from the Kenwood to the TV:

You describe your TV having Composite (3 -RCA-style cables). The Kenwood is limited to Composite (Lower-quality, single Video RCA-style cable). Check your TV for a single Video In connection and run THAT from the Kenwood's Monitor Out so you can pass other video through the receiver.

In its day this receiver was pretty high-end but to really enjoy modern multichannel audio from video sources you might consider an upgrade to a true multichannel Audio Video Receiver. For one thing it would support digital audio and probably Component and HDMI video. You could still use the Kenwood's amplifiers to drive speakers or as a secondary system.

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Kenwood Receiver VR 806 turning off

Sounds like the music amplifier is different to the tuner audio amp. The music amplifier is now looking at an unbalanced impedance which is less than it should be. Therefore the output chip of the music amp has more current through it than it wants so it gets hot and shuts down.Put a four ohm wirewound resistor ( from Radio Shack ) in series with each surround speaker to reduce the current flow through the amplifier output.

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Avr Shuts down at high volume

It does that because there is a safety feature in all the newer devices. If your system is turned up to high you would blow your audio outputs or speakers. That's why it shuts off.

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You need to make sure you ohms are correct if there too low this will happen to protect the amp.

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Hi there sa gx303P stereo amplifier/tuner technics ...the cooling fan for the power amplifier works only on a somewhat strong signal .....if you play soft music at low volume the cooling fan...

These units are designed to only run the fan when necessary. If the unit is overheating, there is a problem in the detection circuit. This is a relatively inexpensive repair. If you are getting overheating when running at a low volume, it suggests that the speakers are not matched to the amp. In other words, the amp is expecting an 8 ohm load and is being presented a lower ohm load. This makes the amp work harder and generates more heat. Check the speaker wires and make sure that they are not frayed or crossing in any manner. Also, verify that the rating of the speakers is correct.

Update this with what you find.


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When did this start? Did it ever work right?

How's the sound from your TV speakers by itself and from DVD? The same? Problem's in the TV.

If it's just the receiver doing it from both sources that's where we start.

Check the settings for dynamic range (ratio of loud sounds to soft sounds) in both your receiver and your cable TV tuner. Many devices have a setting sometimes called "MidNight Mode" to be used in the event you're listening while someone else might be sleeping or otherwise would be disturbed by the TV volume.

The assumption is that you will turn the TV down but that normally means you would lose the quiet programming in the background nosie of your home. Through the magic of dynamic compression the quiter sounds are raised to audibility while loud things like explosions and fanfares will be limited in volume. Depending on the design and whatever the broadcaster is doing to the sound themselves this could be anywhere from pleasingly effective to aggravatingly inconsistent with odd variations in the levels.

Hope this helps.

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How to hook up

The manual that you are searching for can be found at the following link:
Hope this information does you good.
Best of luck!

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Receiver Shutoff

That may be a clue to your shutdown problem. Disconnect that speaker and see if the unit still shuts down. If it does not, then there is a problem with this speaker,or the wiring going to this speaker. If the unit still shuts down, disconnect each speaker at a time to see where the problem is. If none of the speakers seem to cause the shutdown problem, there is na major fauly in the amp circuit, so the amp will need serviceing or replacement. Good Luck

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