T - Con Pwb Connector Cn5 To Main Pwb Voltage And Diode Check - LG 42LH20 Service Manual

T - CON PWB Connector CN5 to Main PWB Voltage and Diode Check
T - CON PWB Connector CN5 to Main PWB Voltage and Diode Check
CN5 CONNECTOR "T-CON PWB" to P801 "Main"
1 Gnd
2 LVDS 12V
3 LVDS 12V
4 LVDS 12V
5 LVDS 12V
6 Gnd
7 Gnd
8 Gnd
9 Gnd
10 LVDS-SEL
11 OPC-EN
12 Gnd
13 TXA0-
14 TXA0+
15 Gnd
16 TXA1-
Gnd Gnd Gnd
0V 12.1V 1.6V
0V 12.1V 1.6V
0V 12.1V 1.6V
0V 12.1V 1.6V
Gnd Gnd Gnd
Gnd Gnd Gnd
Gnd Gnd Gnd
Gnd Gnd Gnd
0V 0V Open
0V 0V 1.1V
Gnd Gnd Gnd
0V 1.2V 1.1V
0V 1.1V 0.8V
Gnd Gnd Gnd
0V 1.2V 1.1V
Diode Mode values taken with all Connectors Removed
17 TXA1+
18 Gnd
19 TXA2-
20 TXA2+
21 Gnd
22 TXAC-
23 TXAC+
24 Gnd
25 TXA3-
26 TXA3+
27 Gnd
28 OPC-OUT
29 *PWM-DIM
30 Gnd
31 Gnd
32 Gnd
*Pin 29 PWM-DIM 3.15V (Max 100%) to 0.6V (Min 0%)
Customer's Menu Backlight setting. But is Not Used by
T-CON.
NOTE: The outside pins on each side are actually not
counted, they are both ground. But they are counted in
the table. (See arrow on the T-CON PWB CN5)
46
Gnd
1.1V 1.1V
Gnd Gnd Gnd
0V 1.2V 1.1V
0V 1.1V 1.1V
Gnd Gnd Gnd
0V 1.1V 1.1V
0V 1.2V 1.1V
Gnd Gnd Gnd
0V 1.2V 1.1V
0V 1.2V 1.1V
Gnd Gnd Gnd
0V 3.3V Open
0V 3.1V 1.1V
Gnd Gnd Gnd
Gnd Gnd Gnd
Gnd Gnd Gnd
February 2009 42LH20