TCON BOARD Repair Tutorial - Common Symptom & Solution - How to fix tcon board
T-con Board : LC420WUN-SAA1 (6870C-4200C)
LCD Panel Model : 42 inches HD Panel
Note : Vcc input = 12V
Troubleshooting guide,
Voltage checking & IC Failure cause on TV
Electronics Repair and Troubleshooting,
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