FEB-9455 Main Board
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original ELO controller, and re-calibrate.
B)
If the ELO touch panel still cannot calibrate correctly after changing to a new ELO
controller, the touch panel may be not installed properly or it could be defective.
Second LCD Panel is Not Functioning Properly
A)
Check that the VGA driver is installed properly (Please refer to the VGA driver installation
section).
B)
Connect a VGA CRT monitor to the VGA 2(onboard wafer) connector, if there is a display,
then the second LCD panel could be defective or is not installed properly.
B-1)
Please check that both the VGA signal cable and second LCD power cable are
connected properly (Shut the power off before connecting the 2 above mentioned
cables).
B-2)
Check that the VGA cable is connected to A/D board. Or it could be defective.
B-3)
Check that the LCD signal cable is properly connected to A/D board and LCD
panel. Or it could be defective.
Please re-connect both ends of the LCD signal cable in the correct location. Or
replace with a new cable.
B-4)
there will be no backlight if the is inverter is defective.
C)
Check the 10 PIN VGA cable is well connected to main board VGA2
D)
The main board VGA chip could be defective.
PS/2 Keyboard is not functioning normally
A)
Make sure the keyboard is properly connected to the PS/2 keyboard port before the
system is powered up. If the keyboard is connected after OS has been booted, the
keyboard will not work.
B)
Check that the LED on the keyboard goes on then off after power on. If yes, the
keyboard is getting power correctly.
C)
If the MCR is not required. Please make sure the loopback is plugged into the MCR
connector board.
D)
Check that the 6 wire cable has been properly connected between the MCR connector
board and mainboard MCR1.
E)
The mainboard could be defective.
MCR is not Functioning Properly
A)
Check if the green MCR LED is on.
A-1)
Check if the MCR is properly connected to the MCR connector board on main
system.
A-2)
Make sure the 6 wire cable is properly connected between mainboard MCR1 and
the MCR connector board.
A-3)
The MCR connector board could be defective.
A-4)
The MCR module could be defective.
B)
If a keyboard is connected to the PS/2 keyboard port, and functions correctly, then the
MCR module could be defective.
