T - Con (Tft Drive) Board Checks - LG 42LH90 Manual

T - CON (TFT Drive) Board Checks
T - CON (TFT Drive) Board Checks
T-CON Board
U11 has a piece of
"Chocolate" which is heat
transfer material.
Transfer if board is replaced.
Check Fuse F1 for 12V
U11
from CN1 Pins 48~51
0V
1.8V
F1
3.3V
CN1
Check the Regulator U11 for
Correct Voltage
F1 (Diode Mode Check)
Open (Red Lead on Fuse)
0.46V (Black Lead on Fuse)
63 February 2010 LCD DV 42LH90