LG 32LH500D - Function error_ No response in remote controller

Standard Repair Process Detail Technical Manual
32 inch 43 inch
LED TV
Error
symptom
Function error_ No response in remote controller
Established
date
2016. 03.07
Content
Remote controller operation checking method
Revised
date
A9
Checking order
1. Check the 3.3V for IR power from CN401 PIN5 3.3V.
2. Connect IR wire cable CN401 to the IR Board and check for CN401 PIN3
signal.