LG 55LM9600 Service Manual page 109

Standard Repair Process Detail Technical Manual
LCD TV
<XXLM9600>
①
Checking order
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.3V on the terminal 6.
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
symptom
Content
Remote controller operation checking method
②
Established
date
Revised
date
A27
2011. 12 .14
A27
P4102
SCL
1
SDA
2
GND
3
KEY1
4
KEY2
5
③
6 St 3.5V
7 GND
8 GP4_LED_R
④
9 IR
10 GND
LGE Internal Use Only