Question about Onkyo Audio Players & Recorders
Coneect it to AC power, without connecting any inputs or outputs connectons. That is, switch the set idle. Even it show this fault, make sure that the audio output section has short circuted components with it. Actually the repair job is very complicated, and skilled one.
If the set is new, and is in warranty period, get this set repaired by it authorised service center at your town. Otherwise, you have to spend for its repair, which is unpredictable now. OK.
Posted on Feb 22, 2012
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Posted on Jan 02, 2017
SOURCE: Onkyo TX-SV525 on and off
Look under the wide ribbon cable going to the front panel. There is a cluster of components on the main board that make 12V and 6V power for different things. There is a pair of 12 ohm and a 1 ohm resistor. These run very hot and over time will take out the motherboard underneath. If these resistors disconnect the unit will cycle on and off rapidly. I found this out when I was replacing the resistors and repairing the circuit board. DJ...
Look under the wide ribbon cable going to the front panel. There is a cluster of components on the main board that make 12V and 6V power for different things. There is a pair of 12 ohm and a 1 ohm resistor. These run very hot and over time will take out the motherboard underneath. If these resistors disconnect the unit will cycle on and off rapidly. I found this out when I was replacing the resistors and repairing the circuit board.
Posted on Oct 18, 2007
SOURCE: The Kenwood VR517 home theater
If this unit stays on for 5 minutes, and it appears to be playing normal, a bad speaker could be the cause unless you are using speakers that are not compatible with this unit.
The specs on this unit are 100 watts per channel and require 8 ohm speakers. if you are using speakers that are 6 ohms or 4 ohms, you will overheat the unit quickly and it will shut down. It is not designed to use anything less than 4 ohm speakers.
If you are using the speakers this unit came with, or you know that the speakers are 8 ohms (it should be listed on the speaker where the wires plug in), go ahead to the next step.
The first thing to do is to unplug one speaker, it does not matter which one, just pick one to unplug from the back of the receiver or right at the speaker. If you unplug one right at the speaker, make sure that the speaker wires do not touch together or touch anything else, they must be insulated from anything metal or conductive.
After one speaker is unplugged, turn the unit back on and let it play normally the way it was when it shut down after five minutes. If the unit continues to play for a long time, at least 30 minutes or more and does not shut down on its own, you have just found the culprit causing your problem. Some speakers may sound like they are OK, but still can cause a problem.
If the unit shuts down again after five minutes like before, go ahead and plug that speaker back in and do the same thing with one of the other speakers.
Continue this process until you have isolated one speaker as being the problem.
If you go thru the entire process and it still shuts down, you may have an internal amplifier problem. It can be something as simple as some heat stressed solder joints that need to be reflowed, or it could be a bad amp IC. This unit uses 3 different amp IC's and it could be any one of them or a component in the amp circuit. Sometimes it can even be a power supply failure. In any case, if the above steps do not work, you need to take it in and be serviced. There are no other end user options to perform.
I hope this helps with your problem, if you need more help just ask.
Posted on Jun 21, 2008
I have the same problem and from what I've read elsewhere there is not a cheap and easy solution. From what I gather, simple remotes (like what you get w/ your set top box) that use manufacturer's codes for programming treat "on" and "off" as a simple toggle. That means they fire out a singal signal which is supposed to simply change the state of the device from off to on or vice versa. The Onkyo apparently uses different signals for on and off. Because of this we will need to get a "learning remote" which can be programmed to provide a separate signal for any desired function. These tend to be much more expensive which is why they don't just give them out with your set top box. Right now I'm still fiddling with separate remotes until I break down and drop the bucks for the special remote.
Posted on Jun 03, 2009
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