From what I've found, it uses a Sony KHM-230AAA, just buy a whole used mech from here and you’ll get everything.
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR1.TRC0.A0.H0.TRS0.TSS0&a...
Or you can get a brand new one from here, Speedy Spare are a reputable Sony Australia Parts agent. remember $1aud is about 70c us
https://www.speedyspares.com/shop/sony/2202-sony-laser-unit-khm230aaaj1rp1-882013209.html
Or pay through the nose from EU
https://www.donberg.ie/catalogue/laser_units_cd_dvd/khm_230aaa.html
Cheers George
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313.TR1.TRC0.A0.H0.TRS0.TSS0&a...
Or you can get a brand new one from here, Speedy Spare are a reputable Sony Australia Parts agent. remember $1aud is about 70c us
https://www.speedyspares.com/shop/sony/2202-sony-laser-unit-khm230aaaj1rp1-882013209.html
Or pay through the nose from EU
https://www.donberg.ie/catalogue/laser_units_cd_dvd/khm_230aaa.html
Cheers George