LG 42LH90 Manual page 62

42LH90 T-CON (TFT Drive) Board Drawing (Components and Voltages Identified)
42LH90 T-CON (TFT Drive) Board Drawing (Components and Voltages Identified)
Pin 59 Pin 3,4,5
-4.9V
Pin 57 Pin 7,8
26V
TO TFT MODULE
CN5
FL1
Gnd Protect
U10
1) Gnd 8) 3.34V
2) Gnd 7) 3.09V
3) Gnd 6) 3.34V
4) Gnd 5) 3.34V
16V
3.3V
U12
1
2 2
3
U11
1) 0V
2) 1.19V
3) 3.3V
125V / 3A
CN1
12V LVDS Pins 48~51
TO TFT MODULE
T-CON
(TFT Driver)
P/N EAT60665101
VCC
3.3V
UC1
C
3.3V
Q1
B
2.78V
3.3V
F1 (12V)
62
Pin 56,57,58
16V
Pin 53,54
3.3V
TO TFT MODULE
CN4
L2
Gnd
3.3V
-2.4V
D7
U5 B+ ( 12V )
U5
U5
L1
E
D8
( 12V )
16V
CN2
Pin 2
-4.9V
Pin 4
26V
FL2
Gnd Protect
-4.9V
D9
27V
D10
20.5V
14.25V
26V
16V
R701
R702
16V
VDD