Troubleshooting By Blocks - Samsung TXT3093WHX Service Manual

6-4 Troubleshooting by Blocks

6-4-1 Troubleshooting System Boards
1. Tuner Diagnosis
The RF / DTV signal is transmitted to the Tuner of the System Board through the Splitter.
If the signal is not received, check the following items.
- Supplied Power: 5V, 33V, 9V
- RF Trouble Check: Check the CVBS output
- AUDIO Trouble Check: Check the SiF Signal output
Samsung Electronics
Troubleshooting
6-11