Part Type: Power Supply Unit Part Number: HA01331 Part Usage: Front Projection MFR Part Number 1: Hitachi HA01331 MFR Part Number 2: Hitachi HA01331R Board Number(s): LC304-4101CC Known Models: HITACHI 50V710 50VS810A 60VS810 70VS810 42V710 70VX915 70VS5810