Samsung UE48JU7500T Service Manual page 83

4. Troubleshooting
Troubleshooting
Video Test
Power TV ON.
1
Verify initial Start Up Screens with Power On.
2
Press Mute 147 Mute to view Test Pattern from the MAIN Board.
3
Press Mute 369 Mute to view Test Pattern from T-CON Board.
4
Start Up Screens
12
4-4
Mute 147 Mute
3
MAIN Board
Mute 369 Mute
4
T-CON Board