LG 32LD350 - Page 59

P2401 Main Board to Ft. IR J1 Voltage and Diode CheckP2401 Main Board to Ft. IR J1 Voltage and Diode Check
P2401 Connector "MAIN Board" To J1 "IR Board"
P2401
1
Pin Label STBY Run Diode Check
1
(1)
SCL 0V 0V Open
2
(1)
SDA 0V 0V Open
3Gnd Gnd Gnd Gnd
4KEY 1 3.4V 3.39V 1.52V
5KEY 2 3.4V 3.39V 1.52V
6 3.5V_ST 3.41V 3.39V 0.9V
7Gnd Gnd Gnd Gnd
8LED_B 0V 0V 2.3V
9
(2)
IR
2V
1 98V
O
9
(2)
IR
2V
1
.
98V
O
pen
10 Gnd Gnd Gnd Gnd
11 +3.3V_Normal 0.02V 3.3V 0.58V
12
LED R/BUZZ
2 49V
0V
2 14V
12
LED
_
R/BUZZ
2
.
49V
0V
2
.
14V
(1)
No Clock or Data pulses
(2)
IR pulses (1.6V p/p)
November LCD TV 32LD350
59
Diode Mode values taken with all Connectors Removed