Part number can be found on a sticker.
LG EAY64908601 Power Supply/LED Driver
Part Number: EAY64908601
Board Number: EAY64908601 / LGP75T-18U1
Part Type: Power Supply
Manufacturer Part Number 1: LG EAY64908601
Known Models
75UK6570AUA AUSWLOR
75UK6570PUB BUSWLOR,BUSGLJR
75UM6970PUB BUSGLOR,BUSYLOR
75UM7570PUD BUSYLOR
75UM8070PUA BUSYLOR
75UV340C-UB AUSWLH
75UM7570AUE BUSYLOR
75UT640S0UA
75US340C0UD BUSGDKR