Troubleshooting
Samsung Electronics 6-5
6-4 Troubleshooting by Blocks
6-4-1 Troubleshooting Main Board
1. Tuner Diagnosis
The RF / CTV signal is transmitted to the Tuner of the Main Board
If the signal is not received, check the following items
- Power supply: 5V, 33V
- Check for RF defects: Check the IF & CVBS output
- Check for AUDIO defect: Check the SIF Signal output
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