LG 55EM970V-ZA (CHASSIS:ED23E) Service Manual ▷ View online
Entry method
1. Press the IN-START button of the remote
controller for adjustment
2. Check the entry into adjustment item 3,4
Standard Repair Process Detail Technical Manual
POWER OFF MODE checking method
B. Power error
_Off when on, off whiling viewing
A22
Established
date
Revised
date
Error
symptom
Content
OLED TV
A22
<55EM970V>
Main Board History
FRC Board History
2013. 01 .26
Checking method
1. Press the Setting button on the remote controller
2. Select the Sound function of the Menu
3. Select the Sound Setting
4. Select TV Speaker from Off to On
Standard Repair Process Detail Technical Manual
Checking method in menu when there is no audio
C. Audio error_No audio/Normal video
<ALL MODELS>
A24
Established
date
Revised
date
Error
symptom
Content
OLED TV
A24
2013. 01 .26
Checking order when there is no audio
①
Connect the tester RX1 to the speaker terminal and if you hear the Chik Chik sound when you touch the
GND and output terminal, the speaker is normal.
Standard Repair Process Detail Technical Manual
Voltage and speaker checking method
when there is no audio
when there is no audio
C. Audio error_No audio/Normal video
A25
Established
date
Revised
date
Error
symptom
Content
OLED TV
A25
①
<55EM970V>
2013. 01 .26
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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