Troubleshooting - Samsung 400DXn Service Manual
Chassis ls40bpt, ls46bpt
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Also See for 400DXn:
- Manual de usuario (182 pages) ,
- Owner's manual (176 pages) ,
- Quick start manual (25 pages)
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4. Troubleshooting
4-1. Troubleshooting
1.
Before troubleshooting, setup the PC 's display as below.
• Resolution: 1680 x 1050
• H-frequency: 64 kHz
• V-frequency: 60 Hz
2.
If no picture appears, make sure the power cord is correctly connected.
3.
Check the following circuits.
• No raster appears: Function PBA, Main PBA, I/P PBA
• 55V develop but no screen: Main PBA
• 5V does not develop: I/P PBA
4.
If you select Brightness adjust menu and push the " (Enter/Source)" button for 5 seconds, the monitor automatically
returns to factory reset.
4. Troubleshooting
4-1
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