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