Or you can order one from Oppomod.com I have one in mine.
UDP-203/205 LPM - $280
Linear Power Module upgrade for the new Oppo UDP-203/205 4k players. An easy to install module that requires no soldering or technical ability. Can be done in 5 minutes with just a screw driver.
The LPM offers significantly enhanced audio and video performance over the standard switch mode power supplies. You will notice the improvement instantly, and with 100 hours burn-in its true ability will come out.
UDP-203/205 LPM SE - $360
This is the 'Special Edition' version of our Linear Power Module for the new Oppo UDP-203/205 4k players.
The highest audio grade low ESR Nichicon KW series electrolytic capacitors are used.
Multiple all discrete Schottky barrier diodes are now used throughout. The lower voltage drop of the diodes provides higher switching speed and better system efficiency, while producing less heat, EMI and switching noise.
Wima film and tantalum capacitors are included for regulator IC buffering and impendence matching. Audio grade 2A fuse is included.