Question about NAD C372 Amplifier
Hi everybody. I have a NAD 302 (not a 3020) amplifier which has a slight problem and I'm hoping somebody will be able to help. My record deck is connected to the phono inputs on the amp; the problem is that the right channel output goes silent - this can happen when it has just been switched on, or it works ok for a while then goes silent - sometimes switching the power off then back on brings the right channel back on but only for a short time. This never happens when any other source is selected - it only happens when I have selected phono input. So I'm guessing that the problem is in the phono stage ? or somewhere else within the amp ? any info would be greatly appreciated. Thanks.
Reverse your RCA input around and see if the problem follows, this will determine if the problem is in the turntable output signal or the preampsection of your amp. If it stays on the same channel, slightly move the RCA that's dropping out signal around. If the signal cuts in and out, you know it's just a weak solder joint on the input rca of the amp. If it does not change, your problem is deeper. Chances are it's a "cold solder joint" on the input section of the amp and would only be a labor type repair and no parts involved. That can be a double edged sword as well depending on how long it takes to find it. If you have to have it serviced, find a local shop that's been around a while, they are likely to be a little more insightful as to the exact problem quicker. Hope this helps
Posted on Jun 26, 2009
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Posted on Jan 02, 2017
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