Seller held responsible if amp stops working 2 months later?

[quadsearcher]

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[furui_suterioo]

From your earlier issues, it sounds like maybe one of the caps on the internal decoder section has gone bad. However, there may still be hope for your amp with an external decoder in DISCRETE mode, both of my kenwood receivers have noisy internal decoders but work fine with external decoder.
This week, one of QQ's greatest members, bigbillquad, is raffling off an external Sansui QS/SQ decoder with cables and quad LPs, all you have to do is pick a number:
https://www.quadraphonicquad.com/forums/threads/door-prize-for-one-all-qq-members-from-bbq.30207/