Casio IT-9000 Series Service Manual page 44

[7] Touch Panel
No. Operation
Select "[7].Touch Panel" from
MENU-1 screen.
1
[9] External Expansion I/F
<Preparation>
(1) On your PC, create an "EEIFtest.txt" (empty fi le) and store it in the directory of a USB memory.
(2) Connect the USB memory to the USB port of the external expansion I/F test PCB.
(3) Undo one screw and remove the extension port cover.
(4) Connect the connector of the external expansion I/F test PCB to the extension port of IT-9000
as shown below.
Extension port cover
No. Operation
Select "[9].External Expansion
I/F" from MENU-1 screen.
1
Display
Display
– 37 –
IT-9000
Test Details
Touch the cursors at 4 corners
(white portions) with a stylus in
any order.
The touched cursor changes to
black.
After touching all cursors to
change them into black, the
test result is judged as OK and
the screen returns to the menu
screen.
If the "ENT" key is pressed
before pressing all cursors, the
test result is judged as Failure.
Press the "ENT" key to return to
the menu screen.
USB memory
External expansion I/F
test PCB
Test Details
Loopback test for each signal
line and USB signal line test are
conducted and the test result is
automatically judged.
If OK:
The screen returns to the menu
screen.
If any problem:
The status of defective signal
line is displayed.
Press the "ENT" key to return to
the menu screen.