Troubleshooting - Samsung B1630N Service Manual

4. Troubleshooting

4-1. Troubleshooting
1. Set custom mode as follows before beginning a repair.
B1630N/B1930N
Resolution:1360x768
V-frequency:60Hz
H-frequency:47.7kHz
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, "
factory mode.
B1730NW/B1930NW
Resolution:1440x900
V-frequency:75Hz
H-frequency:70.6kHz
(Enter, Source)" button for more than five (5) seconds to return the monitor to
B2030N
Resolution:1600x900
V-frequency:60Hz
H-frequency:60kHz
4. Troubleshooting
B2230N
Resolution:1920 x 1080
V-frequency:60Hz
H-frequency:67.5kHz
4-1