Read LG 55EM970V-ZA (CHASSIS:ED23E) Service Manual online
Checking order
1, 2. Check IR cable condition between IR & FRC board.
3. Check the st-by 3.5V on the terminal 3.
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.
Standard Repair Process Detail Technical Manual
Remote controller operation checking method
D. Function error
A27
Established
date
Revised
date
Error
symptom
Content
OLED TV
A27
P5403
1
GND
2
IR
3
St 3.5V
①
②
③
④
<55EM970V>
2013. 01 .26
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