There are a couple of different main boards for this model
All instances of ELEFW503 we have encountered so far use this LED panel
65120RE01M3393LNA35-B1Notice: Recommended to order by part number whenever possible
Works in model 40PFL4609/F7 with SN beginning with ME1
S Video Input Part Number: EAY65149308 Location: 2M5Additional Board Numbers: EAX68284302(1
Panasonic TXN/A1ESUUS (TNPH0800AD) A Board for TC-P50C1 DoNOTList There are a couple of180 Day Warranty! Part Type: Main Unit, Main Board, VGA Input, HDMI Input, A V Board, Signal Board, Tuner Board, USB Input, Digital Audio Output, S Video Input Part Number: TXN A1ESUUS Location: 02L1 Additional Board Numbers: TNPH0800AD Notice: Recommended to order by part number whenever possible. Often times there are TV models that use more than one set of parts and or panels. Compatible TV Models: Panasonic TC P50C1 Please contact us if you have