Sound from one channel goes on and off


Nov 1, 2014
My preamp Rotel RSP-1068 is experiencing an issue with its front left and right channels. Sound from front left channel goes on and off automatically. Sound output from front right channel is much lower than the rest of channels (~16 db). I think these two issues are connected.

My findings till now:
1. If I use multichannel input, it works fine. No issue.
2. If I use digital or other analog input, I face these issues.

I will appreciate any sort of help or suggestion from you expert people :).

Thanks a ton in advance.
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