Troubleshooting
6-10 Samsung Electronics
6-4 Troubleshooting by Blocks
6-4-1 Troubleshooting Main Board
1. Tuner Diagnosis
Check the following if no signal is received even though the RF signal from the outdoor aerial is supplied to the MAIN Board Tuner.
- Power supply : 5V, 9V, 33V
- Check for RF defects : Check the CVBS output
- Check for AUDIO defect : Check the SiF Signal output
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