Troubleshooting
6-6
Samsung Electronics
6-2-5 No Video
Symptom
- A normal/cable network analog broadcast screen is blank or abnormal.
Major Checklist
- Check the antenna connection settings (Antenna 1 - Normal/Cable/DTV, Antenna 2 - Only for DTV)
- Check the tuner output signal (CVBS).
- Check the power input of the Main board.
Troubleshooting
Procedures
Check CN0900 pin 2 for +33V
Configure properly
Replace the Main SMPS
Replace the Main Board
Is the antenna connection setting
properly configured?
Summary of Contents for PS42D51SX/XEC
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Page 24: ...Alignment Adjustment Samsung Electronics 3 9 ...
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Page 41: ...Block Diagram Samsung Electronics 7 1 7 Block Diagram 7 1 Overall Block Diagram ...
Page 43: ...Block Diagram Samsung Electronics 7 3 7 2 3 Logic Board Block Diagram ...
Page 45: ...Wiring Diagram Samsung Electronics 8 1 8 Wiring Diagram 8 1 Overall Wiring ...
Page 68: ...Operation Instruction Installation Samsung Electronics 11 3 11 1 3 Remote Control ...
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