LG 42PW350 - P100 IR Board Connector Voltage and Pin Identification

P100 IR Board Connector Voltage and Pin Identification
32KHz Pulse
P100 "Front IR and Soft Touch Keys" to "Main" Board P902
Pin Label STBY Run Diode Check
3 & 4 For the Soft
ThKPd
32KHz
Pulse
3.5V p/p
1 IR 2.84V 2.7V OL
2 Gnd Gnd Gnd Gnd
3 Key1 3.3V 3.3V OL
4
Key2
3.3V
3.3V
OL
7 & 8 Front LEDs
and
T
ouc
h
K
ey
P
a
d
section.
4
Key2
3.3V
3.3V
OL
5 LED_RED 3.25V 0V OL
6 Gnd Gnd Gnd Gnd
7 EYE_SCL 3.3V 3.3V OL
8
EYE SDA
33V
33V
OL
10 Stand-By 3.3V
From IC302
Intelligent Sensor
8
EYE
_
SDA
3
.
3V
3
.
3V
OL
9 Gnd Gnd Gnd OL
10 3.3VST 3.3V 3.3V 2.3V
11 n/c n/c n/c OL
12
/
/
/
OL
12
n
/
cn
/
cn
/
c
OL
13 Touch_Ver_Check 0.19V 0V 0.62V
14 n/c n/c n/c OL
15 n/c n/c n/c OL
For Readings when any Key is
touched, see Soft Key Pad Section
For Key 1 and Key 2.
1
P100
June 2011 42PW350 Plasma
157
Diode Mode Readings taken with all connectors Disconnected. Black lead on Gnd. DVM in Diode Mode.
For
Key
1
and
Key
2.