Everytime a loud scene on a movie or a explosion sound came on, my receiver turn itself off. I only have the sound set at 55 or 60. I don't understand because I am able to turn it on immediately afterward.
Whenever I turn up the volume on my Onkyo receiver, it shuts itself off during loud passages. I've seen a few entries for similar problems on other Onkyo models, but no fixes.
Re: My Onkyo Receiver TX 601 is turning itself off
Adjust bass control to half position then feed loud signal,if it shut off adjust the bass contol to zero position,if it shut off again the defect is in the over load protection circuit it is already sensetive to loud signal.you may call the nearest audio amplifier technician on you.
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Re: My Onkyo Receiver TX 601 is turning itself off
Several things can cause this: Loud signal passages can momentarily draw high currents at the mains, especially if you have unit plugged into power stripe with other equipment. Or if unit is plugged into isolation transformer, current draw may exceed output of transformer. Too many speakers hooked to output or if one is bad (partially shorted due to overheating)
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Most movies are mixed at a much lower volume than CD's because there is a THX standard of 85dB which allows for greater headroom. The amount you have to turn up the gain on your amp is relative to the sensitivity of your speakers and the distance you are from them; every time you double the distance from your speaker you lose 6dB.
Most stock surround sound speakers have a lower sensitivity, meaning less SPL per watt/meter distance.
check your wires if there not touching behind the speakers and receiver. when it says protect this means something is shorting out or crossing over. one other thing it may be is if a speaker is starting to go bad. (please rate)
After a long effort searching on Google, I found a solution. There is a Late night setting on the remote that limits the loud sounds scenes so it is not much loader than the dialog. Works great, I can't believe I never notice the button before.
This unit is in protect mode. This means that a problem was detected and the unit has shutdown to prevent further damage. The most common cause of this is failed output transistors. Plan on $20-$40 for parts for this repair.
Onkyo receivers have a safety circuit in them to protect the Amplifier from blowing up:
If you listen closely when it shuts down ( after a loud scene ) there is likely a loud 'Relay Click'..
If this is what is happening you might be able to verify it by turning the volume all the way 'off' and waiting for the circuit ro reset ( releasing the safety relays & returning power to the internal Amplifier ) : you should hear another click, yhen you can bring the volume back up carefully and there will be sound again.
This safety circuit trips when then Onkyo receiver detects an 'Over Current' condition on the ' Power Supply ' that feeds the internal 'Audio Amplifier'..
Generally caused by:
1. Improper load presented to the Amp outputs ( FL, LR, RL, RR, SUB, CENTER )
If you can ( one at a time ) turn off the SUB, Center, Fronts and Rears: trying to re-create the failure each time while you have one part of your system disabled or having their level turned way down..
You can isolate where the problem is coming from.
- any or all of these speakers being the wrong Impedence( I.E. 4 Ohms instead of 8 Ohms ) Unless the receiver manual or the sticker near the 'speaker connetor' specifies a range or another value, you should assume 8 Ohms. Your speakers should say on the back of them.
- any of the speakers being connected in parallel ( 2 speakers to a single one speaker output ) .. Two 8 Ohm speakers connected in parallel make a 4 Ohm load to the amplifier.
- If the Suwoofer is Passive ( Not having its own power cord and amplifer ) it has a Passive Crossover : this crossover can have its own power rating or limitation.. If it is constructed with capacitors that have too low of a working voltage, then they can saturate and the crossover itself can present a load to the amplifier that will case this 'Over Current Shut-Down'..
I had the same issue, there is a Late night mode on the remote that minimizes the volume of a loud scene so you don't have the constantly adjust the volume. Works great if you are trying to watch a movie while others are trying to sleep.
May not help, but I had the same thing when I turned up the volume.. off it went.. then I found my two surround sound speakers had the wires shorting. Looks like a safety switch if there is a problem. Could check if the wires are crossed, shorted, and/or thick enouch to handle the volume.. test it by just having the stereo speakers enabled. Cheers,
How do you have it hooked up to speakers (are you using a center channel)? What listening mode are you in (dolby digital, stereo, pro-logic...)? It sounds as though you're not getting center channel info....