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Onkyo M-508 clicking sounds
Onkyo M-508 clicking sounds
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Old 26th July 2011, 02:47 AM   #1
timpeace is offline timpeace  United States
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Join Date: Jun 2008
Unhappy Onkyo M-508 clicking sounds

I am having a problem with my Onkyo M-508 amp. A long time ago I had the caps replaced (made an oily gooey mess. No problems since then. But today when I turned it on it made a clicking sound, repeatedly, with a few pauses in between, slow clicks then fast-- before turning it off I played a cd-- the signal cut in and out. I unplugged everything to keep from damaging the amp. Does this sound like a cap problem or a relay problem. The meters light up orange, then go to green as normal-- but then the clicking starts. Any insight into this would be greatly appreciated.
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Old 26th July 2011, 02:58 AM   #2
c2cthomas is offline c2cthomas  United States
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Join Date: Oct 2006
Location: Near "Music City" (Nashville Tennessee)
You can get a copy of the service manual at Onkyo M-508 | Owners Manual, Service Manual, Schematics, Free Download | HiFi Engine

I took a quick look and there are several relays that could be giving you this problem.

Goooooooooooooooood luck!!!!
DIY audio can be expensive but getting to see things go up in smoke - that's priceless!!!! ..... "whatever - call it brainfart of Mighty ZM"
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