Remote Controller Operation Checking Method - LG 65EF9500 Service Manual

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
①
Checking order
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.5V on the terminal 4.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the
Analog Tester needle moves slowly, and defective when it does not move at all.
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Only for training and service purposes
Error
D. Function error

Remote controller operation checking method

②
A13
Established
2014.12.31
date
Revised
date
③
1
2
3
4
5
6
7
8
9
10
A22
P4100
GND
KEY1
KEY2
3.5V_ST
GND
LOGO_LIGHT
IR
GND
EYE_SCL
EYE_SDA
LGE Internal Use Only