Part Type Power Supply Unit Backlight Inverter Power Input Board Part Number PWTV9921AQL4 (9921AQL4) is found in barcode Board Number(s) PWTV9921AQL4 715G2783-2-7 Known Models INSIGNIA NS-L19Q-10A E199AZNKW3BYNN Panel Sticker Number M185XW01 V.2 Panel Manufacturer AU Optronics