Troubleshooting - Mitsubishi Diamondview DV75UM User Manual

Troubleshooting

Before calling service personnel, please check the following chart for a possible cause to the trouble you are
experiencing.
 Perform the adjustments according to Operating The Display on page 16
 If the problem you are experiencing isn't described below or you can't correct the problem, stop using
the display and call service personnel or your dealer.
Problem
No Display
The image is not centered
The image does not look right
The remote control doesn't work
The picture color looks poor
Touch no function
Touch out of focus
Ensure the power plug is installed correctly on both ends.
Check the main power switch is set to "—".
Check that source equipment is operating correctly.
Check the input signal is compatible with this display.
Check the LED status light.
Check the input signal is compatible with this display.
Check the input signal is compatible with this display.
Make sure the batteries are new and are installed correctly.
Ensure the remote is aimed at the IR sensor.
Check the picture settings.
Reset the display.
Ensure the USB cable is installed correctly on both ends.
If an OPS PC is installed, the external USB touch connector will not
function. Remove the OPS PC to use the external touch USB port.
Check whether the OS and hardware are supported.
If necessary, follow the instructions in this manual to calibrate the touch
system.
Check these things
40