Read LG 32LN49XX / 32LN4900 (CHASSIS:LB35B) Service Manual online
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Checking order
1, 2. Check IR cable condition between IR & Main board.
3.
Check the st-by 3.5V on the terminal 4.
Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error_ No response in remote controller,
key error
key error
<ALL MODELS>
A17
Established
date
Revised
date
Error
symptom
Content
LCD TV
P600
1
GND
2
KEY1
3
KEY2
4
3.5V_ST
5
GND
6
LED_R/BUZZ
7
IR
8
GND
9
GND
①
③
2013. 01 .09
②