65LA9650-UA (CHASSIS:LA34N) - LG TV Service Manual (repair manual). Page 112

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
5
GND
6
LED
7
+3.5V_ST
8
GND
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 
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
Page of 116
Display

Click on the first or last page to see other 65LA9650-UA (CHASSIS:LA34N) service manuals if exist.