LG 50PJ340 Training Manual - Page 118
Main Board Plug P704 to Ft IR Board
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Main Board Plug P704 to Ft IR Voltage and Diode Mode Measurements for the Main Board 1 3 & 4 Soft Touch Key Board 7 & 8 Intelligent Sensor Stand-By 3.3V P704 Connector "Main Board" to P100 "Front Keys" Pin Label 1 IR 2 Gnd 3 Key_CTL_0 4 Key_CTL_1 5 LED_RED 6 Gnd 7 EYE_SCL 8 EYE_SDA 9 Gnd 10 3.3VST 11 3.3V_MST 12 LED_BLUE STBY 3.3V Gnd 3.3V 3.3V 2.7V Gnd 0V 0.25V Gnd 3.3V 0V 0V Run 3.76V Gnd 3.29V 3.29V 0.21V Gnd 3.27V 3.27V Gnd 3.29V 3.31V 0V Diode Check 3.12V Gnd 1.53V 1.53V Open Gnd 2.64V 2.64V Gnd 0.85V 0.50V Open Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode. 118 July 2010 50PJ350 Plasma
118
July 2010
50PJ350
Plasma
Voltage and Diode Mode Measurements for the Main Board
Diode Mode Readings taken with all connectors Disconnected. DVM in Diode Mode.
Main Board Plug P704 to Ft IR
Main Board Plug P704 to Ft IR
P704 Connector "Main Board" to P100 "Front Keys"
Stand-By
3.3V
7 & 8
Intelligent
Sensor
1
Open
0V
0V
LED_BLUE
12
0.50V
3.31V
0V
3.3V_MST
11
0.85V
3.29V
3.3V
3.3VST
10
Gnd
Gnd
Gnd
Gnd
9
2.64V
3.27V
0.25V
EYE_SDA
8
2.64V
3.27V
0V
EYE_SCL
7
Gnd
Gnd
Gnd
Gnd
6
Open
0.21V
2.7V
LED_RED
5
1.53V
3.29V
3.3V
Key_CTL_1
4
1.53V
3.29V
3.3V
Key_CTL_0
3
Gnd
Gnd
Gnd
Gnd
2
3.12V
3.76V
3.3V
IR
1
Diode
Check
Run
STBY
Label
Pin
3 & 4
Soft Touch
Key Board