LG 32LD350 - Page 64

Front Board Connectors J1 and J2 Voltage and Diode CheckFront Board Connectors J1 and J2 Voltage and Diode Check
J1 "Front IR" to P4201 " MAIN" J2 "Front IR" to “ Key Board"
Pin Label STBY Run
Diode
Check
1
(1)
SCL 0V 0V Open
2
(1)
SDA 0V 0V O
p
en
Pin Label STBY Run
Diode
Check
1KEY 13.4V 3.39V Open
2
Gnd
Gnd
Gnd
Gnd
p
3GndGnd Gnd Gnd
4KEY 13.4V 3.39V Open
5KEY 23.4V 3.39V Open
2
Gnd
Gnd
Gnd
Gnd
3KEY 23.4V 3.39V Open
4GndGnd Gnd Gnd
6 3.5V_ST 3.41V 3.39V Open
7GndGnd Gnd Gnd
8LED_B 0V 0V Open
9
(2)
IR 2V 1.98V Open
10 Gnd Gnd Gnd Gnd
11 +3.3V_Normal 0.02V 3.3V Open
12
LED R/BUZZ
2 49V
0V
O
12
LED
_
R/BUZZ
2
.
49V
0V
O
pen
(1)
No Clock or Data pluses
(2)
IR pulses (1.6V p/p)
November LCD TV 32LD350
64
Diode Mode values taken with all Connectors Removed