Part Type: Backlight Inverter Inverter Board Part Number: LJ97-02542A (2542A) can be found on barcode REV Number: 0.3 Board Number(s): SSB550_16S01 Known Models: SONY KDL-55EX503 KDL-55EX500 Panel Sticker Number: LTY550HJ01-003 Panel Manufacturer: Samsung