③; P4001; Gnd; Gnd Gnd - LG 32LH550B Service Manual

Standard Repair Process Detail Technical Manual
Error Symptom
LCD TV
Content
① < Sub Ass'y>
1, 2. Check IR cable condition between IR & Main board
3. Check the 3.4V_ST Voltage
D. Function Error, No Response in remote controller, Key error
Remote controller operation checking method
②
IR
< Main Ass'y>
Established date 2016.01.29
Revised date

P4001

1 KEY1/KEY2
③
2 +3.4V_ST
3

GND

4 LED_R
5 IR
6 GND
7 NC
`8 NC
A16