Part number can be found on a sticker.
LG EAY64489671 Power Supply
Part Number: EAY64489671
Board Number: EAY64489671 / EAX67242601(1.5)
Part Type: Power Supply
Manufacturer Part Number 1: LG EAY64489671
Known Models
70UK6570AUB BUSMLJR
70UK6570PUB AUSMLJR,BUSMLJR
70UK6190PUB BUSMLJR