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Troubleshooting
4-1-4 Troubleshooting by Blocks
1. Tuner Diagnosis
If there is no signal measured even though the RF signal received by the external antenna is input to the Main Board Tuner.
- Supplied Power: 5V, 8V, 33V
- RF Trouble Check: Check CVBS output
- AUDIO Trouble Check: Check SiF Signal output
4-10
B+5V
B+33V
IF
Samsung Electronics
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