Troubleshooting
Samsung Electronics 6-9
6-4 Troubleshooting by Blocks
6-4-1 Troubleshooting System Boards
1. Tuner Diagnosis
- If no signal is received even though the RF signal from the external aerial is connected to the MAIN Board Tuner, check the
following items.
- Supply Power: 5V, 9V, 33V
- Check for an RF defect: Check the CVBS output
- Check for an AUDIO defect: Check the SiF Signal output
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