Tft-Lcd Controller Board - LG 55LW5600 Troubleshooting Manual

T-CON (TFT DRIVE) SECTION

TFT-LCD Controller Board

The T-CON is located at the bottom of the panel under the Stand Bracket.
12V is supplied to the T-CON Board from the Main Board via connector CN1
(easily measured at fuse F1). IC UC1 receives 24 bit LVDS video signals from the Main
B Board at CN1 and CN2 which it processes into TFT Drive Signals. It delivers its output d t CN1 d CN2 hi h it i t TFT D i Si l It d li it t t
signals through connectors CN4 and CN5 to control the LCD Panel.
US1 and U6 are DC to DC converters which develop the Panels driver voltages. These
voltages can be read at the ribbon connector or at test locations on the board which are lt b d t th ibb t t t t l ti th b d hi h
identified on the following pages.
T-CON
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