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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.
Copyright
2015 LG Electronics Inc. All rights reserved.
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
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