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Troubleshooting
No Video
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Symptom
- A normal/cable network analog broadcast screen is blank or abnormal but OSD is OK.
- Check the antenna connection settings
Major Checklist
- Check the CVBS cable connection.
- Check the power input of the Main board.
Troubleshooting
Procedures
4-6
Is the antenna connection setting
properly configured?
Yes
①
Check CN1101 pin2 for +33V
Yes
Replace the Main Board
No
Configure properly
No
Replace the SMPS
Samsung Electronics
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