Troubleshooting - Samsung PX2370 Service Manual

4. Troubleshooting

4-1. Troubleshooting
1. Set custom mode as follows before beginning a repair.
- 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, Adaptor
• When 5V is generated but a blank screen is displayed : Main PBA
• 14V is not Generated : Adaptor
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