TFT-LCD Controller Board
T-CON (TFT DRIVE) SECTION
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
d t CN1
d CN2 hi h it
i t TFT D i
Si
l It d li
it
t t
Board at CN1 and CN2 which it processes into TFT Drive Signals. It delivers its output
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
d 28V Th
lt
b
d t th
ibb
t
t t t
16.74V, 3.3V, -5V and 28V. These voltages can be read at the ribbon connector or at test
locations on the board which are identified on the following pages.
Stand
Bracket
T-CON
May 2011 LCD TV 42LV5500
72
