Yamaha rx-v671 amplifier, it was working but had a fault with the speakers not outputting sound, not showing speakers on the display (image shown of fault) The main board was removed for repair, but was not deemed repairable and not returned. The amp is therefore sold without this board, it will need a new main board, but was otherwise working. This amp does not turn on and has a missing component. supplied with original box and remote control
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