TOKYO, May 7 (Reuters) - Benchmark 10-year Japanese government bond (JGB) yields fell on Friday after a liquidity auction received moderately strong demand, while a series of new bond auctions later this month weighed on sentiment, capping price gains. *The 10-year JGB yield fell 0.5 basis point to 0.080%. *The 30-year JGB yield rose 0.5 basis point to 0.655%. *The five-year yield was unchanged at minus 0.095%. *The 40-year JGB yield was little changed at 0.700%. *Benchmark 10-year JGB futures rose 0.02 point to 151.44, with a trading volume of 7,946 lots. (Reporting by Tokyo markets team; Editing by Rashmi Aich) Our Standards: The Thomson Reuters Trust Principles.