PEB-4720 Main Board
ELO Touch Panel Cannot Calibrate Correctly
A) Please replace the ELO controller, and re-calibrate. If this works, change back to the
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 852GME is installed properly (Please refer to the VGA driver
installation section).
B) Connect a VGA CRT monitor to the VGA2 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 CN2. Or it could be
defective.
B-3) Check that the LCD signal cable is properly connected to A/D board CN8 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 that the 10 PIN VGA cable is connected to mainboard J10 and 9000PB0270
secondary I/O board CN4 properly.
D) The mainboard VGA chip could be defective.
E) The 9000PB0270 secondary I/O board could be defective.
Second Touch Screen is Not Functioning Properly
A) Check CMOS settings, COM4 needs to be “Enabled”. The correct settings are “2E8h”
and “IRQ11”.
B) Check that there are no conflicts between COM4 IRQ11 and any other devices.
C) Check that the ELO driver has been properly installed. Or try to re-install again (Please
refer to the ELO driver installation).
D) Check that the ELO controller on COM4 has been detected during the ELO driver
installation. If yes, then check that the flat cable from the ELO touch screen has been properly
connected to the ELO controller.
(Attention: Pin1 mark should be on the same side as the ELO controller).
E) Check that the ELO controller Green LED is blinking.
If no, there is no DC+5V support for the ELO controller from the mainboard.
E-1) Check the 9000PB0270 secondary I/O board JP1 and JP2 jumper settings. The
correct jumper settings for the 2
nd
Touch screen are:
JP1 PINs 2-3 shorted.
JP2 PINs 1-3, PINs 2-4 shorted.
67
To Next Page
Loading...