Anyone ever have the issue of their Receiver turning off due to a surge in volume?

Question

This usually happens when I am watching a DVD or an HDVD. Any info as to why its happening and fixes would be appreciated.

Thanks

Model is an Onkyo TX-Sr604. IT could very well be the over heating issue. I do have it in an entertainment center that restricts great ventilation. Thanks for all the help. I think I might take the doors off the back of the center and possible place a fan back their to alleviate the heat issue.

Answer 1

Some receivers have built it thermal protection to prevent the power transistors and circuit board from overheating and causing permanent damage to the electronics. One of the things I see a lot is dust build-up inside the receiver or around the vents that cause the thermal protection to kick in. If this is the case, you can vacuum the dust out from the vents. You can check by putting your hand around the receiver to see how hot it is. It should not be so hot that you can't touch it.

It is also possible to have excessive heat build up if you block the vents or put it in an enclosed cabinet. Again, touch it to see how hot it gets. If it's hot, you will need to provide more ventilation so the heat does not build up.

I hope this helps!

Answer 2

Higher end receivers have internal circuit breakers designed to cut off if the amplifier transistors draw too much current. Either with age or because of design issues, these breakers will sometimes kick long before you think the unit is at max volume. After a period of time, the breakers should reset.

If this describes your problem, it may be an uncorrectable design issue. Check on the web to see if other users have experienced this with the same model of amp and see if they found a solution.

Answer 3

If the receiver in question was less than about $500 street value ($800+ MSRP), you're probably overdriving it and it's shuting down to protect itself and your speakers.

Entry level receivers will shut down quite easily if you really push them. Sony receivers are notorious for their weak amp sections, even their $1,500 models.

Nearly every receiver company out there claims 100-120watts x 7 channels ! for a total of 980 watts ! Yeaahhh!
It's all BS. Only the higher-end stuff puts out continuous (RMS) power close to what they're rated at- Denon/Marantz, top-tier Yamaha, Pioneer Elite, Harman Kardon, Rotel, etc.

What kind of speakers are you using?
How many 5.1, 6.1, or 7.1?
Large room?
Full range?
Ohm rating?

Answer 4

Hi. can you give us the name and model number of your Receiver and i will see what i can find out.Thanks