Question about Onkyo TX-DS575 Receiver
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Posted on Jan 02, 2017
SOURCE: No Sound - LCD Volume says 99
- make your room as quiet as possible, then put your ear next to one of the tweeters (high frequency speakers; the smaller ones).
- If you hear any noise, probably a soft rushing noise or a hum, then your problem is probably an input source problem, not the amplifier itself.
- Plug in some headphones, and see if you can hear your music that way. If so, then the problem is probably the amplifier section, or your speakers, or your speaker connections, not an input.
- Turn the volume down, then look to see if a Tape Monitor button is pushed. If so, "unpush it".
- Check for any mute function that might be enabled.
- If you hear NO NOISE with your ear next to a tweeter, then verify your speaker connections; and check for blown speaker fuses (you'd expect to see a matched pair, one per channel).
- also check your speakers to see if they have fuses
- double-check your speaker connections; verify no shorts, and tight mechanical connections
Posted on Nov 10, 2007
You have a problem that was inherent with all Onkyo receivers from this period. You need to contact Onkyo because the microprocessor needs to be replaced. Last I checked, its about $80 from onkyo.
This is NOT an isolated incident as darn near every Onkyo receiver model had this problem.
Posted on Nov 15, 2008
Get yourself a remote from Logitech Harmony family. It magically knows all the possible codes. And the support is VERY helpfull.
Posted on Mar 28, 2009
SOURCE: hello. I have some problems with
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.
Posted on Jul 08, 2011
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