Panasonic TX-P50VT30E - 7 blinking lights - Television - iFixit
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)
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Panasonic TX-P50VT30B user manual (English - 132 pages)
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Manual de utilizare Panasonic TX-P50GT30E (120 pagini)