Read LG 65LA9650-UA (CHASSIS:LA34N) Service Manual online
Standard Repair Process Detail Technical Manual
D. Function error
A22
Established
date
Revised
Error
symptom
Content
LCD TV
2013.01.31
P4002
1
GND
Remote controller operation checking method
A22
date
Content
<XXLA9700-NA>
1
GND
2
KEY1
3
KEY2
4
+3.5V_ST
5
GND
③
5
GND
6
LED
7
+3.5V_ST
8
GND
④
①
②
②
Checking order
g
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.5V on the terminal 4,7.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the
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
Analog Tester needle moves slowly, and defective when it does not move at all.
A22
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