Question about Yamaha HTR-5890 Receiver

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No Power The unit has worked fine for 6mths then just would'nt power up. I have voltage coming in and the two fuses are good. I dont hear any stanby click and no lights indicating voltage. Are there any fuses other than the two near the power cord or any thing else that I can try?

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  • Anonymous Dec 20, 2008

    I have the exact same problem with my receiever. I bought it 4 months ago and haven't used it for about a month. It worked fine a month ago when I used it last and for the previous 3 months. When I hit the power button it clicks but nothing happens. None of the fuses are blown that I could see. Any thoughts?

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In your power board near the back of transformer you have a backup power source of 5volts. that is for the cpu and the power relay swicth. can you check if you have that 5volts present. What i can see only in your unit is a major brekadown of your main amp section, all power transistros must be busted/shorted, and no chance even for a click on the relay. that is also feature of the protection. you wont be able to get the unit started even for a while. the fuses for yamaha do not normally blow and very often only your protection circuits enables. but in your case it is a very bad output stage now that you dont even get the display on to see the trouble in the built in diagnosis.

Posted on May 14, 2008

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