While not many people can beat my friend's analog expertise, he is not too keen on digital electronics, which could be why he didn't catch the problem you discovered.įor completeness sake: I ran the self-tests of the receiver, but never got a result from the DIGITAL (2) board's self-test (C2-1) it kept saying '-' for half an hour or so (I didn't time it), instead of giving either an 'OK' or 'NG' result. Either my friend got this wrong, or I'm having a different problem.Ĭould you elaborate what problem you found with these capacitors? Does it cause a problem for the digital domain (for example a voltage that's in the grey area between '0' and '1')? According to him, my AMPPOWER (1) board is fine, outputting the correct +/- 12V, 7V, 5V, etc voltages and he claims that these caps aren't all that important to the correct functioning of the power supply.Ĭlearly, you had good results replacing those caps. I own an RX-A2010 (a BG model) that is having this problem and I sent it to a friend who is an expert in creating switching power supplies for high-end amps (which is hard, due to the potential for noise). Anyone had any problems like this in the past or any ideas what it could be / how to fix ? I've been reading online and some of the evidence point towards a capacitor on the way out, but I'm not totally sure or how to test.
I'm not sure if I'm just imagining this but it also seems like the sound is a little quieter on the normal listening volumeĪll devices are connected by HDMI and all inputs have the same issue, so its not just one input. If I turn it off (sometimes a couple of power cycles needed) and back on it usually starts to work again and once its on its fine, but its as if its struggling to pick up the sound / decode the audio.
More recently sometimes it pops or loud continuous buzz like static.
So basically when its turned on first thing in the morning, there is either no sound or short burst of sound then silence. After years of use without any problems, over the last few weeks my 6 year old Yamaha RX-V2067 receiver has started exhibiting some sound issue when its initially turned on.
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