Part number can be found on a sticker.
LG EAY64489641 Power Supply 65SJ8500-UB.BUSYLJR
Part Number: EAY64489641
Board Number: EAY64489641 / EAX67165801(1.6) / LGP6065M-17SU12
Part Type: Power Supply
Manufacturer Part Number 1: LG EAY64489641
Known Models
65SJ8500-UB AUSYLJR,BUSYLJR
65SJ850A-UC AUSYLJR,BUSYLJR