Inspection Of Com (Rs232C); Lcd Inspection - Casio QT-8000 Service Manual

6-3. Inspection of COM (RS232C)

* Make sure that the OS (Windows XP, 2000) is installed on the computer before performing
the diagnostic program.
* Download the diagnostic program from the latest service CD.
Diagnostic Program: TestCOM.exe
Connect the inspection loop back devices to the (four) COM ports respectively in advance.
Check that the LEDs of the inspection devices are not lit after they are connected.
Before inspection, the below pop-up appears asking if a loop back connector has been prepared.
If "OK" is clicked, the inspection starts.
After each COM port inspection, "OK" appears if the result is OK, and "NG" appears if not.

6-4. LCD inspection

* Make sure that the OS (Windows XP, 2000) is installed on the computer before performing
the diagnostic program.
* Download the diagnostic program from the latest service CD.
Diagnostic Program: TestLCD.exe
Check the following items with eyes: luminescent spot, lacking spot, RGB, black and white
Pressing the "Return" key, left-clicking of the mouse or touching the touch panel changes colors in
the following sequence: Red
Right-click the mouse or press "ESC" key to leave this mode.
The above pop-up appears after the inspection. Input the result by clicking the mouse or touching the
touch panel.
Green Blue Black
— 49 —
White