Part number can be found on a sticker on board.
Vizio 3648-0232-0395 Main Board for D48N-E0
Part Number: 3648-0232-0395
Board Number: 0171-2271-6494 / 3648-0232-0150(4B)
Part Type: Main Board
Manufacturer Part Number 1: Vizio 3648-0232-0395
Manufacturer Part Number 2: Vizio 3648-0232-0150
Known Models
D48N-E0