Alpengeist's TV (and other stuff) Repair Blog: Panasonic TNPA5330 SN board 7 or 6 blinks - detailed fault analysis and repair guide (TX-P42GT30, VT30, ST30)
TNPA5330 (1) SN, Harrogate TV Repairs & Spares
Alpengeist's TV (and other stuff) Repair Blog: Panasonic TX-P42ST30E - TNPA5330 board defect - seven blinks and six blinks of death