Aiwa receiver analog inputs bad, but digital is fine

bwarren97

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Dec 19, 2014
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So I've had this Aiwa AV-D67 home theater receiver for a number of years, and it has served me well. I recently replaced it in my main entertainment setup with a Vizio 5.1 system, but I'm still wanting to use this old system for another room in my home, sort of like a retro setup kind of thing.
It has a few issues though, mostly concerning the analog inputs, especially Phono. I'm hoping to fix it instead of getting a whole new receiver. I tried connecting a device just yesterday to the Phono input and it produced this loud high-pitched scratching noise any time sound was played, even at less than normal volume. The CD and Aux inputs sound quite degraded as well.
I know that digital is always better than analog, but the difference is way more noticeable than I think it should be. All the digital inputs result in pretty good sound, at least what I'm used to hearing.
If anybody has some insight on what could be causing this, I'd love to hear it. I'm pretty good with a soldering iron, and it would be awesome if I could fix it.
 
The phono input can only be used with a turntable that doesn't have it's own phono preamp. Used with any other device it will sound distorted and have no bass and too much highs regardless of the playback volume.
The CD and aux inputs could also be overloaded if you connected them to a headphone jack and had the volume on the source up too high.
 
The phono input can only be used with a turntable that doesn't have it's own phono preamp. Used with any other device it will sound distorted and have no bass and too much highs regardless of the playback volume.
The CD and aux inputs could also be overloaded if you connected them to a headphone jack and had the volume on the source up too high.
 
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