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2nd October 2005, 11:50 PM
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#1 |
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diyAudio Member
Join Date: Mar 2005
Location: quebec
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Yamaha M-70 protection
Hi, everybody.Just asking if someone have experienced that kind of problem with protection on a Yamaha power amplifier. When I turn on the amp ,the protection stays on for some time and then shut off, but this happen only maybe 10 to 15 minutes after I turn on the amp, not the 5 to 7 seconds it's normally take.All output transistors are good. Only 5 to 10 millivolts at the output.If you have any idea, just let me know. Thanks
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28th December 2005, 02:58 PM
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#3 |
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diyAudio Member
Join Date: Oct 2005
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same problem
Hi,
I had the same problem with an Yamaha-amplifier. I replaced a small broken electrolytic cap which had lost capacity in the protection circuit. Now it works. - Boris |
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