Read LG 47LA8600 (CHASSIS:LJ34D) Service Manual online
Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error_ No response in remote controller,
key error
A17
Established
date
Revised
date
Error
symptom
Content
LCD TV
2012. 01 .14
Remote controller operation checking method
< Low models >
date
②
P600
1
GND
2
KEY1
3
KEY2
②
③
4
St 3.5V
5
GND
6
RED_LED
7
IR
8
GND
③
④
8
GND
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
39 / 97
Analog Tester needle moves slowly, and defective when it does not move at all.