there are several chinese companies selling HQ LPMs on ebay. A couple years ago I bought one ~ $150 that took my Oppo 105 to a much higher level
Example
Hi-end Linear Power supply Module for update OPPO UDP-205 L3-18 https://www.ebay.com/itm/Hi-end-Linear-Power-supply-Module-for-update-OPPO-UDP-205-L3-18/11288069254...
hth
Example
Hi-end Linear Power supply Module for update OPPO UDP-205 L3-18 https://www.ebay.com/itm/Hi-end-Linear-Power-supply-Module-for-update-OPPO-UDP-205-L3-18/11288069254...
hth