Question about Yamaha RX-Z9 Receiver

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Zone 2 problem

I have had an ongoing problem with my Z9 shutting off intermittently. I suspect it has to do with zone 2 running in background. I have limited the power to zone 2 by adding manaul volume switches for the zone two speakers and a speaker selector switch but still have the problem. For example, the other night I was watching "Transformers", on the main surround (5.1) and about half way through the DVD it AMP just shuts down. Any help or thoughts would be appreciated.

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Re: Zone 2 problem

I had a simular problem. Mine would intermittently cut off when powering on. which could also be same solution as as others since problem ended up being a bad connection on input power/relay board.. . If you are looking at top of receiver it will be at the very back toward the center. Take the small circuit board out being especially careful to mark where the connectors go so you can put back in proper place when reassembling. Mine had a very obvious bad solder connection on a wire. Yours may not be obvious so I would suggest resoldering all the wire connections . If yours only cuts off intermittently.. Hope this helps. Donald


Posted on Apr 29, 2011

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Re: Zone 2 problem

The Z9 does run hot and should not be enclosed in any cupboard. It needs about a foot (30CM ) of clearance all around it.

Posted on Feb 05, 2011

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Re: Zone 2 problem

I also have the Z9, but since I'm living in Europe, it's de DSP-version. Not that it makes any difference, because mine faces the same issue. Heat does seams to be the issue, however, it's having the same problem when it has not been used for a couple of days. I admit, the occures where during summertime with 26 degrees Celsius in my living room.

After investigation of the shop, the advice was to put it further away from the television (both were directly next to each other).

Try it and see what happends.

Posted on Nov 30, 2008

Re: Zone 2 problem

I took my Z9 in for service as I had this same problem. It would run extremly hot. It took about a week but it was fixed for free under the 5 yr warranty. It now runs fine and is nowhere near as hot as before. I just can not figure out how to turn off the Zone 2 indicator.

Posted on Feb 01, 2008

Re: Zone 2 problem

Your unit's internal breaker is tripping out. Hmmm...I think all of these high end Yamaha AVRs have a self diagnostic program. I have an earlier Yamaha model (1998) DSP-A1 and it does. You should be able to access the diagnostic readout by pushing the right buttons on the front panel. I have a service manual for my DSP-A1 and it shows how to do it for my unit. The diagnostic program stores in memory what fault caused the internal breaker to trip. I would suggest you get a copy of the service manual for the Z9. You can readily get one on the web from various suppliers for a small fee. My guess would be a high temperature trip as I have heard the z9s run very hot.

Posted on Jan 20, 2008

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