LG 55EM970V Service Manual page 92

Standard Repair Process
Error
OLED TV
symptom
2. M4(Magic Remocon) operating error
☞A7
Check the
RF Receiver ver
INSTART menu
is "00.00"?
☞A28
Check & Repair
RF assy
connection
☞A7
RF Receiver ver
is "00.00"?
Down load the Firmware
* INSTART MENU15.RF
Remocon Test3. Firmware
download
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
D. Function error
M4 operating checking
N
Check M4 itself
Operation
Y
N
Close
Y
Press the
Normal Y
wheel
operating?
N
Check & Replace
Batterry of M4
Y
Normal
Close
operating?
N
Replace M4
11
Established
2013. 01 .26
date
Revised date
Turn off/on the
N
Is show ok
set and press
message?
Y
Close
Is show ok
N
message?
Y
Close
* If you conduct the loop at 3times, change the M4.
11/15
the wheel
Press the back
key about 5sec
LGE Internal Use Only