LG 42LV5500 Training Presentation page 72

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, U3 and U6 are DC to DC converters which develops the Panels driver voltages.
16 74V 3 3V 5V 16.74V, 3.3V, -5V and 28V. These voltages can be read at the ribbon connector or at test d 28V Th lt b d t th ibb t t t t
locations on the board which are identified on the following pages.
Stand
Bracket
T-CON
May 201 1 LCD TV 42LV5500
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