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hitachi 57s700 service menu

Discussion in 'Displays' started by nate n, Dec 18, 2003.

  1. nate n

    nate n Well-Known Member

    Jan 22, 2002
    Likes Received:
    In the service menu, there is an option "service" that takes you to a black screen with a line in the middle with either red, green, or blue colors. What exactly is this used to correct?

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