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4. Troubleshooting
4-1. Troubleshooting
1.
Set custom mode as follows before beginning a repair.
P2070H
- Resolution : 1600 X 900
- H-Frequency : 60.000kHz
- V-Frequency : 60.000Hz
P2270H
- Resolution : 1920 X 1080
- H-Frequency : 67.500kHz
- V-Frequency : 60.000Hz
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: Function PBA, Main PBA, Inverter, Adapter
• When 5V is generated but a blank screen is displayed : Main PBA
• When 12V (P2070H) / 14V (P2270H) is not Generated : Adapter
4.
"Press the MENU button and hold down the, "
factory mode.
(Enter, Source)" button for more than five (5) seconds to return the monitor to
4. Troubleshooting
4-1
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