Lg Electronics 47LE8500 用户手册
July 2010 LCD TV
47LE8500
81
Main Board P8200 to (Ft. IR/Intelligent Sensor) Voltage and Diod
Main Board P8200 to (Ft. IR/Intelligent Sensor) Voltage and Diod
e Check
e Check
Diode Mode values taken with all Connectors Removed
P8200 Connector "MAIN Board" To P100 "IR Board"
P8200
1
12
11
10
9
8
7
6
5
4
3
2
1
Pin
Open
0V
0V
LED_R/BUZZ
0.59V
3.3V
0V
+3.3V_Normal
Gnd
Gnd
Gnd
Gnd
Open
1.54V
1.57V
(2)
IR
Open
0V
0V
LED_LOGO
Gnd
Gnd
Gnd
Gnd
1.24V
3.45V
3.45V
3.5V_ST
1.9V
3.29V
3.29V
KEY 2
1.9V
3.29V
3.29V
KEY 1
Gnd
Gnd
Gnd
Gnd
Open
3.45V
3.45V
(1)
SDA
Open
3.45V
3.45V
(1)
SCL
Diode Check
Run
STBY
Label
(1)
Clock pulses only present when Intelligent Sensor is turned on. (3.7V p/p)
(2)
IR pulses (1.6V p/p)
Leandro
Palmeira