Read LG 55EM970V-ZA (CHASSIS:ED23E) Service Manual online
Checking order
1, 2. Check Logo cable condition between Logo & FRC board.
3. Check the st-by 3.5V on the terminal 1.
4. When checking the Logo 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
Logo light operation checking method
D. Function error
A27
Established
date
Revised
date
Error
symptom
Content
OLED TV
A27
P4101
1
St 3.5V
2
GND
3
LOGO White
4
LOGO Red
①
②
③
④
<55EM970V>
2013. 01 .26
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