LG 55LM860V Service Manual page 87

Standard Repair Process
Established
D. Function error
2012.01.16
Error
date
LCD TV
symptom
M4 operating checking
Revised date
11/15
2. M4(Magic Remocon) operating error
☞A7
N
Check the
RF Receiver ver Check M4 itself Normal Y
Turn off/on the
N
Press the Is show ok
INSTART menu
is "00.00"? operating?
Operation
set and press
message?
wheel
the wheel
N
Y
Y
☞A28
Check & Replace Close
Check & Repair
Batterry of M4
RF assy
connection
Y
Normal
☞A7
Close
operating?
Is show ok N
Press the back
message?
N key about 5sec
RF Receiver ver
N
Close
is "00.00"?
Y
Replace M4
Close
Y
Down load the Firmware
* If you conduct the loop at 3times, change the M4.
* INSTART MENU 15.RF
Remocon Test 3. Firmware
download
11
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Only for training and service purposes