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Discussion Starter · #1 ·
I have the e550 and tried the hack but can't change the model only the type in service menu option.

Tried changing the type to all the different 51" choices and could not unlock 10pt, but now can't remember what type it was originally. Does anyone know what type should be set on for a PN51e550? Have tried Factory reset but it doesn't change the type.

I have also screwed up the AV calibration in ADC/WB as I hit the wrong button when I was investigating. I have downloaded the blk/white checkerboard and feed it into the AV input and try to AV Calibrate. The pink square moves to a white square, the luminance comes up then it fails and reverts back to the dark picture. Have tried this many times and find that after 2 or 3 attempts, the tv shuts off and restarts out of service menu but with the same problem.

Any way to get the AV calibration to succeed?

Thanking you in advance.
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