AUDIO AND VISUAL SYSTEM(for 12.3 Inch Display) Pointer not Displayed on Screen or Pointer does not Move

PROCEDURE


  1. CHECK REMOTE TOUCH SWITCH (OPERATION CHECK)


    1. Enter the "Remote Touch Switch Check" screen. Refer to Check Remote Touch Switch in Operation Check.

      Click here

    2. B005OF2C02
      *a Pointer
      *b Coordinate
      *c "+" Mark

      Move the remote touch switch knob and press the remote touch switch knob or the "ENTER" button on the remote touch at any blank space on the screen to display the "+" mark.

      Tech Tips


      • The "+" mark will be displayed at the point where the remote touch switch knob or the "ENTER" was pressed.

      • Even if the pointer is moved, the "+" mark will remain at the position where the pointer was when the remote touch switch knob or the "ENTER" was pressed.

    3. Move the pointer to any position using the remote touch switch knob. When the location of the pointer is changed by moving the switch knob, check that the coordinate values "X" and "Y" change between 0 and 255.

      Result
      Result Proceed to
      Remote touch switch check cannot be performed due to a remote touch switch knob malfunction. A
      The coordinate values "X" and "Y" do not change between 0 and 255 according to the location of the pointer.
      The coordinate values "X" and "Y" change between 0 and 255 according to the location of the pointer. B

    B

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    A

  2. REMOTE TOUCH SELF CHECK (REMOTE TOUCH SWITCH KNOB POSITION RECOGNITION CHECK)


    1. Activate self check mode.

      Click here

    2. B005O4LC08
      *a Switch Illumination
      *b Switch Knob

      Check remote touch switch knob position recognition.


      1. Move the remote touch switch knob from the lower left to the upper right to check that the brightness of the switch illumination changes.

        Result
        Result Proceed to
        Brightness of the switch illumination changes according to remote touch switch knob operation. A
        Brightness of the switch illumination does not change according to remote touch switch knob operation. B
        Switch illumination remains on.

        Tech Tips


        • If the brightness of the switch illumination changes according to the position of the remote touch switch knob, the remote touch switch knob position is being correctly recognized.

        • When the switch illumination blinks, the remote touch has stored a DTC.


    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  3. REPLACE REMOTE OPERATION BOARD


    1. Replace the remote operation board with a new or known good one.

      Click here

    2. Check that the pointer is displayed and moves normally.

      OK
      The pointer is displayed and moves normally.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

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