SERIAL LCD PINOUT

               RS232
Pin   Cable    Port    Function
-----------------------------------------------------
  1   red       -      "Silicon Serial Number"
  2   gray      4      DATA\
  3   blue      7      CLOCK\
  4   orange    5      GND (also connected to screen)
  5   yellow    -      Backlight on (+5V) / off (0V)
  6   brown     -      V_CC (+5V)
  7   black     3      E