Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error
A22
Established
date
Revised
date
Error
symptom
Content
LCD TV
A13
①
②
③
2014.12.31
P4100
1
GND
2
KEY1
3
KEY2
4
3.5V_ST
5
GND
6
LOGO_LIGHT
7
IR
8
GND
9
EYE_SCL
10
EYE_SDA
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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