Led Signal Path For Troubleshooting - Samsung UE40H7000AL Service Manual

4-2-2. LED Signal Path for Troubleshooting

Symptom
• ENTER : Factory mode - SVC Info - Test Pattern
Main Board
X14H
• CHECK TEST PATTERNS
Verify "Pattern Sel"
1
Verify "FRC Pre Test Pattern"
2
Verify "FRC Post Test Pattern"
3
Verify "SoC T CON Test Pattern"
4
Major checkpoints
1 Pattern Sel
T CON BOARD (FRC + T CON)
LVDS
FRC
2 FRC Pre Test Pattern
4. Troubleshooting
4 SoC T CON Test Pattern
T CON
3 FRC Post Test Pattern
4-5