Samsung TXT3093WHX Service Manual page 81

Troubleshooting
2. External Input Diagnosis
The AV 1/2, and S-VHS signals construct one monitor output (Video, Audio). The signal is input to TEA6425D through the terminal
and the selected signal is output. If no signal input and output is detected, check the following items.
- Supplied Power: 9V
- Input Trouble Check: Check the connecting jacks.
- Output Trouble Check: Check TIC01 (RF/AV/S-VHS)
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TEA642 425D 5D TEA
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