4. Troubleshooting
4. Troubleshooting
4-1. Troubleshooting
1.Set custom mode as follows before beginning a repair.
•Resolution: 1440 x 900
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2.If the screen is blank, check whether the power cord is connected correctly.
3.The circuits to check:
•When the raster does not appear: The Function PCB, Main PCB, I/P PBA
•When 5V is generated but a blank screen is displayed: Main PCB
•When 5V is not generated: I/P PBA
4.“Press the MENU button and hold down the, “ (Enter, Source)” button for more than five (5) seconds to return the monitor to factory mode.